Pytes E-BOX Series User manual

Shanghai Pytes Energy Co., Ltd
V 4.0.1

Shanghai Pytes Energy Co., Ltd
About This Document
Dear Customer,
This is your Pytes E-BOX Series LFP battery used for Energy storage system. We
provide safe, well-designed and high-performance standard LFP battery packs for you.
The battery pack is compact and easy to install, used as the main part for an energy
storage solution. It is widely used in Residential, Small Commercial and Industrial Energy
Storage Solution.
This manual contains information necessary to install, operate and maintain the battery.
We kindly ask you to read this manual carefully in advance.
This manual is meant for the installers and users of the battery. Only qualitied
installer/electrician may install and perform maintenance work.
The boundaries of its use, as described in this manual, should be kept in mind. This
battery may not be used in medical or in aviation related applications. This LFP battery
pack may not be used for any purposes other than described in this manual. Using the
LFP battery pack for any other purpose will be considered improper use and will void the
warranty of the product. Pytes cannot be held responsible for any damage caused by
improper or incorrect use of the product. Read and understand this manual completely
before using the product. During the use of this product, user safety instructions should
always be followed to the ensure the safety of installers, users, service personnel and
third parties.
This is the original manual, keep it in a safe location! Please consult Pytes for the latest
version of all manuals.
Shanghai Pytes Energy Co., Ltd.
Address: No. 3492 Jinqian Road,
Qingcun town, Fengxian District, Shanghai, 201499
People’s Republic of China
Web: https://www.pytesgroup.com
Email: [e-mail]

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Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
Description
Indicates a hazard with a high level of risk which, if not
avoided, will result in death or serious injury.
Indicates a hazard with a medium level of risk which, if
not avoided, could result in death or serious injury.
Indicates a hazard with a low level of risk which, if not
avoided, could result in minor or moderate injury.
Indicates warning information about device or
environment security which, if not avoided, could result
in equipment damage, data loss, performance
deterioration, or unanticipated results.
NOTICE is used to address practices not related to
personal injury.
Supplements the important information in the main text.
NOTE is used to address information not related to
personal injury, equipment damage, and environment
deterioration.
Caution, a battery can present a risk of electric shock
and burns by high short-circuit current. Do not short-
circuit the Li-ion battery.
Caution, do not dispose of batteries in a fire, the battery
may explode.
Recyclable.
Read the instruction manual before starting installation
and operation.

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Content
About This Document ................................................................................................................ 2
1 Safety information................................................................................................................... 6
1.1 Personal Safety ................................................................................................................. 6
1.2 Electrical Safety................................................................................................................. 7
1.3 Environment Requirements......................................................................................... 10
1.4 Mechanical Safety .......................................................................................................... 12
1.5 Battery Safety.................................................................................................................. 14
2 Product Introduction ............................................................................................................ 18
2.1 Overview........................................................................................................................... 18
2.2 Label Description............................................................................................................ 21
2.3 Features............................................................................................................................. 22
3 Transportation and Storage................................................................................................ 23
3.1 Transportation Requirements ..................................................................................... 23
3.2 Storage Requirements .................................................................................................. 24
4 System Installation ................................................................................................................ 25
4.1 Checking Before the Installation ................................................................................ 27
4.2 Preparing Tools and Instruments............................................................................... 27
4.3 Determining the Installation Position....................................................................... 28
4.4 Equipment Installation.................................................................................................. 29
4.4.1 Floor-Mounted Installation.................................................................................. 30
4.4.2 Wall-Mounted Installation................................................................................... 30
5. Electrical Connection ........................................................................................................... 33
5.1 Preparing Cables............................................................................................................. 35
5.2 Electrical Connections of the Battery ........................................................................ 36
5.3 Communication connections of battery................................................................... 39
6 System Commissioning ........................................................................................................ 41
6.1 Verification before power-on ..................................................................................... 41
6.2 System Power-on........................................................................................................... 42
6.3 BMS commissioning Monitoring................................................................................ 43
7 System Maintenance............................................................................................................. 46

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7.1 System Power-Off.......................................................................................................... 47
7.2 Routine Maintenance .................................................................................................... 48
7.3 Troubleshooting ............................................................................................................. 49
7.3.1 Unable to start......................................................................................................... 49
7.3.2 Unable to charge..................................................................................................... 49
7.3.3 Unable to discharge ............................................................................................... 50
7.3.4 ALM indicator(alarm) constantly on ...................................................................... 50
7 Emergency Handling............................................................................................................. 51
9 Technical Specifications ....................................................................................................... 52
Appendix 1 Inverter compatibility declaration.................................................................. 53

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1 Safety information
1.1 Personal Safety
Ensure that power is off during installation. Do not install or remove a cable with power
on.
Non-Standard and improper operation on the energized equipment may cause fire,
electric shocks, or explosion, resulting in property damage, personal injury, or even
death.
Before operations, remove conductive objects such as watches, bracelets, bangles,
rings, and necklaces to prevent electric shocks.
During operations, use dedicated insulated tools to prevent electric shocks or short
circuits. The dielectric withstanding voltage level must comply with local laws,
regulations, standards and specifications.
During operation, wear personal protective equipment such as protective clothing,
insulated shoes, goggles, safety helmets, and insulated gloves.
General Requirements
⚫Do not stop protective devices. Pay attention to the warnings, cautions, and related
precautionary measures in this document and on the equipment.
⚫If there is a likelihood of personal injury or equipment damage during operations,
immediately stop, report the case to the supervisor, and take feasible protective
measures.
⚫Do not power on the equipment before it is installed or confirmed by professionals.
⚫Do not touch the power supply equipment directly or with conducts such as damp
objects. Before touching any conductor surface or terminal, measure the voltage at
the contact point to ensure that there is no risk of electric shock.
⚫Do not touch operating equipment because the enclosure is hot.
⚫In the cases of a fire, immediately leave the building or the equipment area and
activate the fire alarm or call emergency services. Do not enter the affected building
or equipment area under any circumstances.

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Personnel Requirements
⚫Only professionals and trained personnel are allowed to operate the equipment.
◼Professionals: personnel who are familiar with the working principles and
structure of the equipment, trained or experienced in equipment operations and
are clear of the sources and degree of various potential hazards in equipment
installation, operation, maintenance.
◼Trained personnel: personnel who are trained in technology and safety, have
required experience, are aware of possible hazards on themselves in certain
operations, and are able to take protective measures to minimize the hazards
on themselves and other people.
⚫Personnel who plan to install or maintain the equipment must receive adequate
training, be able to correctly perform all operations, and understand all necessary
safety precautions and local relevant standards.
⚫Only qualified professionals or trained personnel are allowed to install, operate, and
maintain the equipment.
⚫Only qualified professionals are allowed to remove safety facilities and inspect the
equipment.
⚫Personnel who will perform special tasks such as electrical operations, working at
heights, and operations of special equipment must possess the required local
qualifications.
⚫Only authorized professionals are allowed to replace the equipment or components
(including software)
⚫Only personnel who need to work on the equipment are allowed to access the
equipment.
1.2 Electrical Safety
Before connecting cables, ensure that the equipment is intact. Otherwise, electric shocks
or fire may occur.
Non-standard and improper operations may result in fire or electric shocks.
Prevent foreign matter from entering the equipment during operations. Otherwise,
equipment damage, load power derating, power failure, or personal injury may occur.
For the equipment that needs to be grounded, install the ground cable first when

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installing the equipment and remove the ground cable last when removing the
equipment.
General Requirements
⚫Follow the procedures described in the document for installation, operation, and
maintenance. Do not reconstruct or alter the equipment, add components, or change
the installation sequence without permission.
⚫Obtain approval from the national or local electric utility company before connecting
the equipment to the grid.
⚫Observe the power plant safety regulations, such as the operation and work ticket
mechanisms.
⚫Install temporary fences or warning ropes and hang "No Entry" signs around the
operation area to keep unauthorized personnel away from the area.
⚫Before installing or removing power cables, turn off the switches of the equipment
and its upstream and downstream switches.
⚫If any liquid is detected inside the equipment, disconnect the power supply
immediately and do not use the equipment.
⚫Before performing operations on the equipment, check that all tools meet the
requirements and record the tools. After the operations are complete, collect all tools
to prevent them from being left inside the equipment.
⚫When installing the equipment, use a torque tool of a proper measurement range to
tighten the screws. When using a wrench to tighten the screws, ensure that the
wrench does not tilt, and the torque error does not exceed 10% of the specified
value.
⚫After the installation is complete, ensure that protective cases, insulation tubes, and
other necessary items for all electrical components are in position to avoid electric
shocks.
⚫Before maintaining a downstream electrical or power distribution device, turn off the
output switch on the power supply equipment.
⚫During equipment maintenance, attach "Do not switch on" labels near the upstream
and downstream switches or circuit breakers as well as warning signs to prevent
accidental connection. The equipment can be powered on only after troubleshooting
is complete.
⚫Do not open equipment panels.
⚫Check equipment connections periodically, ensuring that all screws are securely
tightened.
⚫Only qualified professionals can replace a damaged cable.
⚫Do not scrawl, damage, or block any labels or nameplates on the equipment.
Promptly replace labels that have worn out.
⚫Do not use solvents such as water, alcohol, or oil to clean electrical components
inside or outside of the equipment.
Grounding

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⚫Ensure that the grounding impedance of the equipment complies with local electrical
standards.
⚫Ensure that the equipment is connected permanently to the protective ground.
Before operating the equipment, check its electrical connection to ensure that it is
reliably grounded.
⚫Do not work on the equipment in the absence of a properly installed ground
conductor.
⚫Do not damage the ground conductor.
Cabling Requirements
⚫When selecting, installing, and routing cables, follow local safety regulations and
rules.
⚫When routing power cables, ensure that there is no coiling or twisting. Do not join or
weld power cables. If necessary, use a longer cable.
⚫Ensure that all cables are properly connected and insulated and meet specifications.
⚫Ensure that the slots and holes for routing cables are free from sharp edges, and
that the positions where cables are routed through pipes or cable holes are
equipped with cushion materials to prevent the cables from being damaged by sharp
edges or burrs.
⚫Ensure that cables of the same type are bound together neatly and straight and that
the cable sheath is intact. When routing cables of different types, ensure that they
are away from each other without entanglement and overlapping.
⚫When cable connection is completed or paused for a short period of time, seal the
cable holes with sealing putty immediately to prevent small animals or moisture from
entering.
⚫Secure buried cables using cable supports and cable clips. Ensure that the cables in
the backfill area are in close contact with the ground to prevent cable deformation or
damage during backfilling.
⚫If the external conditions (such as the cable layout or ambient temperature) change,
verify the cable usage in accordance with the IEC-60364-5-52 or local laws and
regulations. For example, check that the current-carrying capacity meets
requirements.
⚫When routing cables, reserve at least 30 mm clearance between the cables and
heat-generating components or areas. This prevents deterioration or damage to the
cable insulation layer.
⚫When the temperature is low, violent impact or vibration may damage the plastic
cable sheathing. To ensure safety, comply with the following requirements:
◼Cables can be laid or installed only when the temperature is higher than 0°C.
Handle cables with caution, especially at a low temperature.
◼Cables stored at subzero temperatures must be stored at room temperature for
at least 24 hours before they are laid out.
⚫Do not perform any improper operations, for example, dropping cables directly from
a vehicle. Otherwise, the cable performance may deteriorate due to cable damage,

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which affects the current-carrying capacity and temperature rise.
ESD
The static electricity generated by human bodies may damage the electrostatic-sensitive
components on boards, for example, the BMS board.
⚫When touching the equipment and handling boards, observe ESD protection
regulations and wear ESD clothing and ESD gloves or a well-grounded ESD wrist
strap.
⚫When holding a board, hold its edge without touching any components. Do not touch
the components with bare hands.
⚫Package boards or modules with ESD packaging materials before storing or
transporting them.
1.3 Environment Requirements
Do not expose the equipment to flammable or explosive gas or smoke. Do not perform
any operation on the equipment in such environments.
Do not store any flammable or explosive materials in the equipment area.
Do not place the equipment near heat sources or fire sources, such as smoke, candles,
heaters, or other heating devices. Overheat may damage the equipment or cause a fire.
Install the equipment in an area far away from liquids. Do not install it under areas prone
to condensation, such as under water pipes and air exhaust vents, or areas prone to
water leakage, such as air conditioner vents, ventilation vents, or feeder windows of the
equipment room. Ensure that no liquid enters the equipment to prevent faults or short
circuits.
To prevent damage or fire due to high temperature, ensure that the ventilation vents or
heat dissipation systems are not obstructed or covered by other objects while the
equipment is running.

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General Requirements
⚫The installation and usage environment must meet relevant international, national,
and local standards for lithium batteries, and are in accordance with the local laws
and regulations. The user is obliged to protect the battery against fire or other
hazards.
⚫The E-BOX 48100R is IP 20 degree, please install it indoors or in a suitably rated
outdoor enclosure.
⚫Keep the Battery out of the reach of children and away from daily working or living
areas, including but not limited to the following areas: studio, bedroom, lounge, living
room, music room, kitchen, study, game room, home theater, sunroom, toilet,
bathroom, laundry, and attic.
⚫When installing the battery in a garage, keep it away from the driveway. It is
recommended that the battery be mounted on the wall higher than the bumper to
prevent collision.
⚫Do not install the battery in places that are enclosed, unventilated, or difficult for
firefighters to access. Do not place flammable or explosive materials around the
battery. It is recommended that the battery be mounted on a wall to avoid contact
with water.
⚫Install the battery in a sheltered place or install an awning over it to avoid direct
sunlight or rain.
⚫For areas prone to natural disasters such as floods, debris flows, earthquakes, and
typhoons, take corresponding precautions for installation.
⚫Do not install the Battery in an easily accessible position because the temperature of
the enclosure and heat sink is high when the System is running.
⚫Do not install the Battery on a moving object, such as ship, train, or car.
⚫Ensure that the equipment is stored in a clean, dry, and well-ventilated area with
proper temperature and humidity and is protected from dust and condensation.
⚫Keep the installation and operating environments of the equipment within the
allowed ranges. Otherwise, its performance and safety will be compromised.
⚫Do not install the equipment in an environment with direct sunlight, dust, smoke,
volatile or corrosive gases, infrared and other radiations, organic solvents, or salty
air.
⚫Do not install the equipment in an environment with conductive metal or magnetic
dust.
⚫Do not install the equipment in an area conducive to the growth of microorganisms
such as fungus or mildew.
⚫Do not install the equipment in an area with strong vibration, noise, or
electromagnetic interference.
⚫Ensure that the site complies with local laws, regulations, and related standards.
⚫Ensure that the ground in the installation environment is solid, free from spongy or
soft soil, and not prone to subsidence. The site must not be located in a low-lying
land prone to water or snow accumulation, and the horizontal level of the site must

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be above the highest water level of that area in history.
⚫Do not install the equipment in a position that may be submerged in water.
⚫If the equipment is installed in a place with abundant vegetation, in addition to
routine weeding, harden the ground underneath the equipment using cement or
gravel.
⚫Do not install the equipment outdoors in salt-affected areas because it may be
corroded. A salt-affected area refers to the region within 500 m of the coast or prone
to sea breeze. Regions prone to sea breeze vary with weather conditions (such as
typhoons and monsoons) or terrains (such as dams and hills).
⚫When installing the equipment, ensure that the installation surface is solid enough to
bear the weight of the equipment.
⚫After installing the equipment, remove the packing materials such as cartons, foam,
plastics, and cable ties from the equipment area.
1.4 Mechanical Safety
When working at heights, wear a safety helmet and safety harness or waist belt and
fasten it to a solid structure. Do not mount it on an insecure moveable object or metal
object with sharp edges. Make sure that the hooks will not slide off.
Ensure that all necessary tools are ready and inspected by a professional organization.
Do not use tools that have signs of scratches or fail to pass the inspection or whose
inspection validity period has expired. Ensure that the tools are secure and not
overloaded.
Do not drill holes into the equipment. Doing so may affect the sealing performance and
electromagnetic containment of the equipment and damage components or cables
inside. Metal shavings from drilling may short-circuit boards inside the equipment.
General Requirements
⚫Repaint any paint scratches caused during equipment transportation or installation
in a timely manner. Equipment with scratches cannot be exposed for an extended
period of time.
⚫Do not perform operations such as arc welding and cutting on the equipment without
evaluation by the Company.
⚫Do not install other devices on the top of the equipment without evaluation by the

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Company.
⚫When performing operations over the top of the equipment, take measures to
protect the equipment against damage.
⚫Use correct tools and operate them in the correct way.
Moving Heavy Objects
⚫Be cautious to prevent injury when moving heavy objects.
⚫If multiple persons need to move a heavy object together, determine the manpower
and work division with consideration of height and other conditions to ensure that the
weight is equally distributed.
⚫If two persons or more move a heavy object together, ensure that the object is lifted
and landed simultaneously and moved at a uniform pace under the supervision of
one person.
⚫Wear personal protective gears such as protective gloves and shoes when manually
moving the equipment.
⚫To move an object by hand, approach to the object, squat down, and then lift the
object gently and stably by the force of the legs instead of your back. Do not lift it
suddenly or turn your body around.
⚫Do not quickly lift a heavy object above your waist. Place the object on a workbench
that is half-waist high or any other appropriate place, adjust the positions of your
palms, and then lift it.
⚫Move a heavy object stably with balanced force at an even and low speed. Put down
the object stably and slowly to prevent any collision or drop from scratching the
surface of the equipment or damaging the components and cables.
⚫When moving a heavy object, be aware of the workbench, slope, staircase, and
slippery places. When moving a heavy object through a door, ensure that the door is
wide enough to move the object and avoid bumping or injury.
⚫When transferring a heavy object, move your feet instead of turning your waist
around. When lifting and transferring a heavy object, ensure that your feet point to
the target direction of movement.
⚫When transporting the equipment using a pallet truck or forklift, ensure that the tynes
are properly positioned so that the equipment does not topple. Before moving the
equipment, secure it to the pallet truck or forklift using ropes. When moving the
equipment, assign dedicated personnel to take care of it.
⚫Choose sea or roads in good conditions for transportation as transportation by
railway or air is not supported. Avoid tilt or jolt during transportation.
Working at Heights
⚫Any operations performed 2 meters or higher above the ground should be
supervised properly.
⚫Only trained and qualified personnel are allowed to work at heights.
⚫Do not work at heights when steel pipes are wet or other risky situations exist. After
the preceding conditions no longer exist, the safety owner and relevant technical

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personnel need to check the involved equipment. Operators can begin working only
after safety is confirmed.
⚫Set a restricted area and prominent signs for working at heights to warn away
irrelevant personnel.
⚫Set guard rails and warning signs at the edges and openings of the area involving
working at heights to prevent falls.
⚫Do not pile up scaffolding, springboards, or other objects on the ground under the
area involving working at heights. Do not allow people to stay or pass under the area
involving working at heights.
⚫Carry operation machines and tools properly to prevent equipment damage or
personal injury caused by falling objects.
⚫Personnel involving working at heights are not allowed to throw objects from the
height to the ground, or vice versa. Objects should be transported by slings, hanging
baskets, highline trolleys, or cranes.
⚫Do not perform operations on the upper and lower layers at the same time. If
unavoidable, install a dedicated protective shelter between the upper and lower
layers or take other protective measures. Do not pile up tools or materials on the
upper layer.
⚫Dismantle the scaffolding from top down after finishing the job. Do not dismantle the
upper and lower layers at the same time. When removing a part, ensure that other
parts will not collapse.
⚫Ensure that personnel working at heights strictly comply with the safety regulations.
The Company is not responsible for any accident caused by violation of the safety
regulations on working at heights.
⚫Behave cautiously when working at heights. Do not rest at heights.
Drilling Holes
⚫Obtain consent from the customer and contractor before drilling holes.
⚫Wear protective equipment such as safety goggles and protective gloves when
drilling holes.
⚫To avoid short circuits or other risks, do not drill holes into buried pipes or cables.
⚫When drilling holes, protect the equipment from shavings. After drilling, clean up any
shavings.
1.5 Battery Safety
Do not connect the positive and negative poles of a battery together. Otherwise, the
battery may be short-circuited. Battery short circuits can generate high instantaneous
current and releases a large amount of energy, which may cause battery leakage,

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smoke, flammable gas release, thermal runaway, fire, or explosion. To avoid battery short
circuits, do not maintain batteries with power on.
Do not expose batteries at high temperatures or around heat sources, such as scorching
sunlight, fire sources, transformers, and heaters. Battery overheating may cause
leakage, smoke, flammable gas release, thermal runaway, fire, or explosion.
Protect batteries from mechanical vibration, falling, collision, punctures, and strong
impact. Otherwise, the batteries may be damaged or catch fire.
To avoid leakage, smoke, flammable gas release, thermal runaway, fire, or explosion, do
not disassemble, alter, or damage batteries, for example, insert foreign objects into
batteries, squeeze batteries, or immerse batteries in water or other liquids.
Do not touch battery terminals with other metal objects, which may cause heat or
electrolyte leakage.
A battery is an enclosed system and will not release any gases under normal operations.
If a battery is improperly treated, for example, burnt, needle-pricked, squeezed, struck by
lightning, overcharged, or subject to other adverse conditions that may cause battery
thermal runaway, the battery may be damaged or an abnormal chemical reaction may
occur inside the battery, resulting in electrolyte leakage or production of gases such as
CO. To prevent fire or device corrosion, ensure that flammable gas is properly exhausted.
The gas generated by a burning battery may irritate your eyes, skin, and throat. Take
protective measures promptly.
Install batteries in a dry area. Do not install them under areas prone to water leakage,
such as air conditioner vents, ventilation vents, feeder windows of the equipment room,
or water pipes. Ensure that no liquid enters the equipment to prevent faults or short
circuits.
After unpacking batteries, place them in the required direction. Do not place a battery
upside down or vertically, lay it on one side, tilt it, or stack it. Ensure that the batteries do
not fall or get damaged. Otherwise, they will need to be scrapped.
Tighten the screws on copper bars or cables to the torque specified in this document.
Periodically confirm whether the screws are tightened, check for rust, corrosion, or other
foreign objects, and clean them up if any. Loose screw connections will result in
excessive voltage drops and batteries may catch fire when the current is high.

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After batteries are discharged, charge them in time to avoid damage due to over
discharging.
Statement
The Company shall not be liable for any damage or other consequences to the
batteries it provides due to the following reasons:
⚫Batteries are damaged due to force majeure such as earthquakes, floods, volcanic
eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons,
hurricanes, tornadoes, and other extreme weather conditions.
⚫Batteries are damaged because the onsite equipment operating environment or
external power parameters do not meet the environment requirements for normal
operation, for example, the actual operating temperature of batteries is too high or
too low, or the power grid is unstable and experiences outages frequently.
⚫Batteries are damaged, fall, leak, or crack due to improper operations or incorrect
connection.
⚫After being installed and connected to the system, the batteries are not powered on
in time due to your reasons, which causes damage to the batteries due to
overdischarge.
⚫Batteries are damaged because they are not accepted in time due to your reasons.
⚫You set battery operating parameters incorrectly.
⚫You use batteries of different types together, causing acceleration of capacity
attenuation. For example, you use our batteries together with batteries of other
vendors or with batteries of different rated capacity.
⚫You maintain batteries improperly, causing frequent overdischarge; you expand the
load capacity without notifying us; or you have not fully charged the batteries for a
long time.
⚫You do not perform battery maintenance based on the operation guide, such as
failure to check battery terminals regularly.
⚫Batteries are damaged because you do not store them in accordance with storage
requirements (for example, in an environment that is damp or prone to rain).
⚫Batteries are not charged as required during storage due to your reasons, resulting
in capacity loss or other irreversible damages to the batteries.
⚫Batteries are damaged due to your or a third party's reasons, for example, relocating
or reinstalling the batteries without complying with the Company's requirements.
⚫You change the battery use scenarios without notifying the Company.
⚫You connect extra loads to the batteries.
⚫The battery storage period has exceeded the upper limit.
⚫The battery warranty period has expired. Do not use a battery whose warranty
period has expired, as this poses safety risks.
General Requirements

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⚫Before installing, operating, and maintaining batteries, read the battery
manufacturer's instructions and comply with their requirements. The safety
precautions specified in this document are highly important and require special
attention. For additional safety precautions, see the instructions provided by the
battery manufacturer.
⚫Use batteries within the specified temperature range. When the ambient
temperature of the batteries is lower than the allowed range, do not charge the
batteries to prevent internal short circuits caused during low-temperature charging.
⚫Before unpacking batteries, check whether the packaging is intact. Do not use
batteries with damaged packaging. If any damage is found, notify the carrier and
manufacturer immediately.
⚫Power on batteries within 24 hours after unpacking. If batteries cannot be powered
on in time, place them in a dry indoor environment without corrosive gases. During
later maintenance, ensure that the power-off time does not exceed 24 hours.
⚫Do not use a damaged battery (such as damage caused when a battery is dropped,
bumped, bulged, or dented on the enclosure), because the damage may cause
electrolyte leakage or flammable gas release. In the case of electrolyte leakage or
structural deformation, contact the installer or professional O&M personnel
immediately to remove or replace the battery. Do not store the damaged battery near
other devices or flammable materials and keep it away from non-professionals.
⚫Before working on a battery, ensure that there is no irritant or scorched smell around
the battery.
⚫When installing batteries, do not place installation tools, metal parts, or sundries on
the batteries. After the installation is complete, clean up the objects on the batteries
and the surrounding area.
⚫If batteries are exposed to water accidentally, do not install them. Instead, transport
the batteries to a safe isolation point and dispose of them in a timely manner.
⚫Before installing battery packs, check whether they are abnormal. A battery pack is
deemed abnormal when any of the following symptoms occurs:
◼The enclosure of the battery pack is obviously deformed or damaged.
◼The voltage between the positive and negative electrodes of the battery pack is
far below the specified range.
⚫Check whether the positive and negative battery terminals are grounded
unexpectedly. If so, disconnect the battery terminals from the ground.
⚫Do not perform welding or grinding work around batteries to prevent fire caused by
electric sparks or arcs.
⚫If batteries are left unused for a long period of time, store and charge them
according to the battery requirements.
⚫Do not charge or discharge batteries by using a device that does not comply with
local laws and regulations.
⚫Keep the battery loop disconnected during installation and maintenance.
⚫Monitor damaged batteries during storage for signs of smoke, flame, electrolyte
leakage, or heat.
⚫If a battery is faulty, its surface temperature may be high. Do not touch the battery to

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avoid scalds.
⚫Do not stand on, lean on, or sit on the top of the equipment.
⚫In backup power scenarios, do not use the batteries for the following situations:
◼Medical devices substantially important to human life
◼Control equipment such as trains and elevators, as this may cause personal
injury.
◼Computer systems of social and public importance
◼Locations near medical devices
◼Other devices similar to those described above.
Short-Circuit Protection
⚫When installing and maintaining batteries, wrap the exposed cable terminals on the
batteries with insulation tape.
⚫Avoid foreign objects (such as conductive objects, screws, and liquids) from entering
a battery, as this may cause short circuits.
Recycling
⚫Dispose of waste batteries in accordance with local laws and regulations. Do not
dispose of batteries as household waste. Improper disposal of batteries may result
in environmental pollution or an explosion.
⚫If a battery leaks or is damaged, contact technical support or a battery recycling
company for disposal.
⚫If batteries are out of service life, contact a battery recycling company for disposal.
⚫Do not expose waste batteries to high temperatures or direct sunlight.
⚫Do not place waste batteries in environments with high humidity or corrosive
substances.
⚫Do not use faulty batteries. Contact a battery recycling company to scrap them as
soon as possible to avoid environmental pollution.
2 Product Introduction
2.1 Overview
E-BOX 48100R, the new generation lithium phosphate battery, safe, compact and well-
designed for residential energy storage use. The battery is easy to install, normally
connected with branded inverter to provide the power for the loads. It is widely applied in
residential, small commercial and industrial area for energy purpose.
Appearance

Shanghai Pytes Energy Co., Ltd
1
Power button
8
Negative terminal
2
Soft switch
9
Positive terminal
3
RUN indicator
10
Ground point
4
Alarm indicator
11
Power indicator
5
SOC indicator
12
DIP switch
6
RS485 port
13
Console port
7
Battery communication cascading
port
14
CAN port
Communication
There are RS-232C, RS485 and CAN communication ports on the battery. The battery
status and information can be monitored and modified via computer.
CAN
CAN communication terminal (RJ45 port) follow CAN protocol, to transfer battery data.
Pin number
CAN Pin
Remarks
1
2
GND
3
4
CANH
5
CANL
6
7
8

Shanghai Pytes Energy Co., Ltd
RS485
RS485 communication terminal (RJ45 port) follow RS 485 protocol to transfer battery data.
Pin number
RS485 Pin
Remarks
1
RS485B
2
RS485A
3
GND
4
5
6
GND
7
RS485A(recommended)
8
RS485B(recommended)
RS232
RS232 communication terminal (RJ45 port) follow RS232 protocol to monitor battery
information or upgrade battery firmware through computer.
Pin number
RS-232C port
1
2
3
RXD
4
GND
5
6
TXD
7
8
Link Port 1/0
Link port terminal (RJ45 port) follow CAN/RS485 protocol to communicate between
paralleled batteries.