Shandong LiFePO4 User manual

Shandong Goldencell Electronics Technology Co., Ltd.
LiFePO4 Battery Module
51.2V9.6/20/30/40/50/100Ah
Product Manual

TABLE OF CONTENTS
1 Product Specification…………………………………………….1-6
2 Product Curve...........................................................................7
3 Extra Tips...................................................................................9
4 Tests......................................................................................... 10
5Cautions ................................................................................. 11
6 Other Technical Indicators .................................................. 14
7 Products Liability................................................................... 14

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1 Product Specification
Product Name
LiFePO4 battery
Product Model
51.2V9.6Ah
Specifications
JG-16IFR51.2-9.6-Y
Composition
26650-3.2V-16S3P
Nominal Voltage
51.2V
Rated Capacity
9.6±0.5Ah（C5）
Energy
491Wh
Internal Resistance
≤180mΩ
Size
437*290*44.5mm（1U）
Weight
About 8.5Kg
Voltage
Charge voltage：57.6±0.2V；
Floating charge voltage：54.4±0.2V；
Standard cutoff voltage is about 2.50V 40V
Charger Current
≤10A
Discharge Current
≤20A
Terminal
Terminal row
Communication function
RS232/RS485
Other functions
And machine
3-D Figure

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Product Name
LiFePO4 battery
Product Model
51.2V20Ah
Specifications
JG-16IFR51.2-20-Y
Composition
26650-3.2V-16S7P
Nominal Voltage
51.2V
Rated Capacity
20±1Ah（C5）
Energy
1024Wh
Internal Resistance
≤100mΩ
Size
437*380*88.5mm（2U）
Weight
About 15.1kg
Voltage
Charge voltage：57.6±0.2V；
Floating charge voltage：54.4±0.2V；
Standard cutoff voltage is about 2.50V 40V
Charger Current
≤20A
Discharge Current
≤30A
Terminal
Terminal row
Communication function
RS232/RS485
Other functions
And machine
3-D Figure

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Product Name
LiFePO4 battery
Product Model
51.2V30Ah
Specifications
JG-16IFR51.2-30-Y
Composition
26650-3.2V-16S10P
Nominal Voltage
51.2V
Rated Capacity
30±1Ah（C5）
Energy
1536Wh
Internal Resistance
≤80mΩ
Size
437*480*88.5mm（2U）
Weight
About 20.3Kg
Voltage
Charge voltage：57.6±0.2V；
Floating charge voltage：54.4±0.2V；
Standard cutoff voltage is about 40V
Charger Current
≤30A
Discharge Current
≤50A
Terminal
Terminal row
Communication function
RS232/RS485
Other functions
And machine
3-D Figure

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Product Name
LiFePO4 battery
Product Model
51.2V40Ah
Specifications
JG-16IFR51.2-40-Y
Composition
26650-3.2V-16S13P
Nominal Voltage
51.2V
Rated Capacity
40±2Ah（C5）
Energy
2048Wh
Internal Resistance
≤60mΩ
Size
437*630*88.5mm（2U）
Weight
About 24.6Kg
Voltage
Charge voltage：57.6±0.2V；
Floating charge voltage：54.4±0.2V；
Standard cutoff voltage is about 40V
Charger Current
≤40A
Discharge Current
≤50A
Terminal
Terminal row
Communication function
RS232/RS485
Other functions
And machine
3-D Figure

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Product Name
LiFePO4 battery
Product Model
51.2V50Ah
Specifications
JG-16IFR51.2-50-Y
Composition
26650-3.2V-16S16P
Nominal Voltage
51.2V
Rated Capacity
50±2Ah（C5）
Energy
2560Wh
Internal Resistance
≤50mΩ
Size
437*430*133mm（3U）
Weight
About 30.5Kg
Voltage
Charge voltage：57.6±0.2V；
Floating charge voltage：54.4±0.2V；
Standard cutoff voltage is about 40V
Charger Current
≤20A
Discharge Current
≤50A
Terminal
Terminal row
Communication function
RS232/RS485
Other functions
And machine
3-D Figure

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Product Name
LiFePO4 battery
Product Model
51.2V100Ah
Specifications
JG-16IFR51.2-100-Y
Composition
26650-3.2V-16S32P
Nominal Voltage
51.2V
Rated Capacity
100±3Ah（C5）
Energy
5120Wh
Internal Resistance
≤40mΩ
Size
437*430*266mm（6U）
Weight
About 56.8kg
Voltage
Charge voltage：57.6±0.2V；
Floating charge voltage：54.4±0.2V；
Standard cutoff voltage is about 40V
Charger Current
≤50A
Discharge Current
≤50A
Terminal
Terminal row
Communication function
RS232/RS485
Other functions
And machine
3-D Figure

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2 Product Curve
2.1 Single Cell Specification and Curve
(Appearance of single cell is subject to the object in kind, please read single
cell specification for details.)
Item
Dimension (mm)
Diameter(Ф)
26.15±0.1
Height(H)
65.6±0.3

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2.2 Battery Pack Curve

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3 Extra Tips
You encounter difficulties, please contact us, we will try our best to provide you with
service and help.
Please do not be machined on the circuit board, any damage may cause functional
failure of the internal circuit;
Please do not make the force and deformation to the product, any damage to
electronic components or lines may make the product unstable.
Please do not disassemble the shell, lest you cause unnecessary damage to you;
The charging terminal polarity is reversed, and it burn internal circuit board, please

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pay attention to the port when connect.
4 Tests
Single cell and Protection Circuit Specification are only results of standard test, this is
for your reference only.
4.1 Standard Test Requirements
Battery test must be within 1 month after production. All tests in this specification should
be at standard atmospheric conditions. (Temperature: 25±2℃, relative humidity: 65±
20%).Charge voltage is 57.6±0.2V, Standard cutoff voltage is about 40.0V; Standard
current is I5(A).
4.2 Standard Charge
Charge the battery with Lithium ion battery special test cabinet, supply standard voltage,
standard current until current down to 0.05I5(A).
4.3 Standard Discharge
Discharge the battery at standard current with special detection device, constant
discharging to standard discharge cutoff voltage or until the battery stop.
4.4 Capacity Retention Rate
Test Methods
Test Standards
Standard charge, in standard test conditions on hold for
28 days, standard discharge.
capacity retention rate≥80%
4.5 Cycle Life
Cycles Life≥1,500 cycles, capacity retention rate≥80%). (Standard charge at I5(A), rest
0.5~1h; discharge at I5(A) to cut off voltage, rest 0.5~1h, repeat the above steps until
1,500 cycles.)

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5 Cautions
Please pay attention to followings in case of battery will have leakage, heat etc.
Do not immerse the battery in water or seawater, and keep the battery in a cool dry
surrounding if it stands by.
Do not use or leave the battery at high temperature as fire or heater. Otherwise, it
can overheat or fire or its performance will be degenerate and its service life will be
decreased.
Do not reverse the positive and negative terminals.
Do not reverse polarity charging.
Do not connect the battery electrodes to an electrical outlet.
Do not short circuit. Otherwise it will cause serious damage of the battery.
Do not transport or store the battery together with metal objects such as hairpins,
necklaces, etc.
Do not strike, trample, throw, fall and shock the battery.
Do not directly solder the battery and pierce the battery with a nail or other sharp
objects.
Do not use the battery in the location where static electricity and magnetic field is
great, otherwise, the safety devices may be damaged, causing hidden trouble of
safety.
Do not combine the battery pack in series or in parallel.
Do not overload with battery
Please use special charger for charging.
Please charge the battery within 12 hours after use.
If the battery leaks and the electrolyte gets into the eyes, do not rub the eyes,
instead, rinse the eyes with clean water, and immediately seek medical attention.
Otherwise, it may injure eyes.
If the battery gives off strange odor, generates heat, becomes discolored or
deformed, or in any way appears abnormal during use, recharging or storage,
immediately stop charging, using, and remove it from the device.
In case the battery terminals are dirty or oxidation, clean the terminals with a dry
cloth before use. Otherwise poor performance may occur due to the poor
connection with the instrument.
Tape the discarded battery terminals to insulate them.

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5.1 Battery Checking
After receiving the battery, you should first check the packing carefully. During the
handling process, please ensure there’s no shock on the battery.
Please check the battery case and accessories if there’s any damage or leakage, if
so, please contact us immediately.
Please check the output connector is correct or not, measuring the voltage
between positive and negative, if it’s within the normal standard.
5.2 Installation and Precautions
No smoking or fire during installation to avoid short-circuit of battery and prevent
equipment damage or personal injury.
The battery should be installed under the condition with well-ventilated and no
sunlight. Don’t put it under place with possible flooding.
When fastening battery terminals, please don’t use excessive force, or the
terminals could be damaged.
Clean the surface of battery with dry cloth, please don’t use oil or other volatile
organic solvents to clean, or it may damage it.
Please make sure that the positive (+) & negative (-) polarity is correct connected,
or it may fire or damage the battery and load.
Start testing the equipment if it could be well working with battery.
Using and maintenance
5.3 Battery Using and Maintenance
Charging current should be less than maximum charge current specified in the
Product Specification, charging current bigger than recommended current may
damage the battery.
Discharging current should be less than maximum discharge current specified in
the Product Specification; discharging current bigger than recommended current
may damage the battery.
Discharge temperature:-20℃~+60℃.Humidity:RH≤85%.When the temperature is
higher than 45℃, please note ventilation. When the environment humidity is higher
than 85%, please pay attention to protection. Charging
temperature:0℃~+45℃.Humidity: RH≤85%, When the environment humidity is
higher than 85%, please pay attention to protection; storage temperature: 0℃~40℃
(Best temperature is 15℃~25℃in dry environment). Temperature affects the
capacity of battery obviously, it’s normal.
When the battery power is low, please charge it in time. This could ensure longer
cycle life. If the battery can’t be charged in time and let it under power shortage
condition, it may affect the cycle life.
The lithium-ion battery charge discharge shallow is beneficial to improve the
cycle life, proposal user each discharge is put to the nominal capacity of 80%.
It should be noted that the cell would be possible to be at the over-discharged
state by its self-discharge characteristics in case the cell is not used for long time.
In order to prevent over-discharging, the cell shall be charged periodically to

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maintain a certain voltage range: 52.8V~54.4V, 2month one cycle,
over-discharging may causes loss of cell performance, characteristics, or battery
functions.
Don’t use organic solvents to clean the battery case. If for battery fire accident,
please use dry powder fire extinguisher or sand.
Battery is a consumable product with limited cycle life. Please charge it in time
when the capacity can’t reach the requirement to avoid any loss of the user.
5.4 Battery Common Troubles and Solutions
Battery voltage is too low after fully charged.
Battery was in long-term storage with no usage, not in accordance with the
provisions for maintenance either.
Solution: charge the battery can be solved.
Battery disconnected
Solution: remove the battery to check whether the line is broken or not, the solder
joints come off or not, nickel belt breaks or not, and then repair according to the
damage situation.
Protection circuit does not work
Solution: first, make sure the cable is contact with the protection circuit well, then,
observe solder is off or not. If the above conditions are normal, please test voltage
between B+/B- and P+/ P- voltage, then the board would be failed if the voltage
difference is very high. Then please do testing in detail on protection circuit, if not
pass, please change another new protection circuit.
Battery suffered fierce collision, with character-external battery case damaged or
with electrolyte odor.
Solution: It’s not in the scope of maintenance generally. If needing maintenance,
we need the confirmation of the problem whether on the output line or the battery
itself.
First, open the battery case, check the battery P + / C + and P- / C- lines or joints
damaged or not. If damaged, it needs to be replaced. Then, instigating smell odors
method to determine the battery, if there is irritation electrolyte odor, indicating that
the battery has been leaking. You need to test the voltage of each series. If the
voltage of one series is very different with much lower voltage, then this series
needs to be replaced.
Insufficient capacity
Solution: To charge and discharge the battery with 3~5 cycles generally.
Battery voltage instability or cannot charge or discharge normally.
Faulty soldering
Solution: To test the resistance with the internal resistance tester, and confirm the
internal resistance of the battery exceeding a predetermined value or not. If not, the
battery would be in faulty soldering condition, the battery needs to be unpacked to
be welded again.
Protection circuit abnormal
Solution: replace the protection circuit.

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Connector or terminals in poor contact condition
Solution: replace the terminals or connectors
Battery works properly in charging but could not discharge or discharging well
but could not charge.
Solution: The protection circuit is damaged; you need to replace the protection
circuit.
6 Other Technical Indicators
If you need battery protection parameters and other related parameters, please contact
our sales or technical staff, we will provide you as soon as possible.
7 Products Liability
Shandong Goldencell Electronics Technology Co., Ltd. is not responsible for the incident
caused by not obeying the Manual. Before using the battery, you should read the
specifications, usage instruction and some attentions carefully to learn its application
method and areas. If the phenomenon such as incorrect using method or wrong circuit
connection, or input power data, working index are inconsistent with the Manual, cause
damage to product, load and its accessories, we are not responsible for it.
Our company has the right to change the content of specification without prior notice. The final
explanation of specification belongs to our company.

山东精工电子科技有限公司
Shandong Goldencell Electronics Technology CO .,LTD