LIONTRON LX48-50 User manual
Product Manual
LIONTRON LiFePO4
LX48-50 - 50Ah / 2.56 kWh
Version 2.0
Technical changes reserved.
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 1
Table of contents
1. Product description.......................................................................................................2
1.1 General Information....................................................................................................2
1.2 Product features.........................................................................................................2
2. Safety instructions.........................................................................................................3
2.1 Symbols......................................................................................................................3
2.2 Further safety instructions..........................................................................................4
3. Specifications and features ..........................................................................................4
3.1 Dimensions.................................................................................................................4
3.2 Technical data............................................................................................................5
3.3 Interface overview ......................................................................................................5
4. Installation......................................................................................................................8
4.1 Device check..............................................................................................................8
4.2 Package content.........................................................................................................9
4.3 Example of connection.............................................................................................10
5. Safety guideline ...........................................................................................................11
5.1 Intended use.............................................................................................................11
5.2 Explosion and fire hazard.........................................................................................11
5.3 Wartung....................................................................................................................12
5.4 Maintenance.............................................................................................................12
5.5 Transport instructions...............................................................................................12
5.3 Disposal....................................................................................................................12
5.4 Important notes ........................................................................................................13
6. Technical support........................................................................................................13
7. Glossary........................................................................................................................14
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 2
1. Product description
1.1 General Information
The LIONTRON® LX48-50 is a modular LiFePO4 battery for highest demands. Due to its long
cycle life, the battery is ideally suited as a storage battery for photovoltaic systems, inverters or a
stand-alone power supply.
Highest safety and maximum service life are guaranteed because of high-quality LiFePO4 cells
and latest BMS-Technology, even with regular deep discharges. The battery enables fast efficient
charging and very high discharge current.
By simply hook-up of several battery modules, an increase of capacity can easily be done, even at
a later date.
1.2 Product features
▪High-End storage battery
especially for use of Photovoltaic systems.
▪Integrated (BMS) Batterie-Management-System
with adaptive cell balancing. Protection against short circuit, overcharge and deep discharge.
▪Secure Lithium-Technology (LiFePO4)
Lithium-Iron-Phosphat. No gas, explosion or fire hazard. Absolutely maintenance-free. No
„memory-effect“.
▪High cycle life
maximum cycle life with more than 6000 cycles even with regular deep discharges.
▪High discharge current and efficient charging
Continuous discharge power more than 3kW per battery module. Charging efficiency up to
99%.
▪Low self-discharge
only about 3% per month for storage / non-use.
▪Easy expandability
Through modular construction and possible mounting in 19“ racks.
▪Easy operation
Only DIP switches for addressing when using multiple battery modules.
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 3
2. Safety instructions
Please read these operating instructions carefully before using the device. Please observe all
notes and warnings. Non-compliance or incorrect operation can be dangerous for human and/or
damage the device.
2.1 Symbols
Symbol
Description
Attention!
Non-compliance can lead to damage
DANGER!
Non-compliance can lead to personal injury. There is a risk of electric
shock.
Caution!
Hot surface –the components inside the device emit a lot of heat
during operation. DO NOT touch the aluminium housing during
operation.
CE marking.
The device complies with the directives of the european community.
Symbol for marking of electrical and electronic devices according to
directive 2002/96 / EG, which indicates the device, accessories and
packaging may not be disposed of as unsorted household waste and
must be collected separately at the end of use. Please follow local
ordinances or disposal regulations or contact an authorized
representative of the manufacturer for information on
decommissioning devices.
Packaging symbol:
Content must be transported with care.
Packaging symbol:
Marking of the top side of the packaging.
Packaging symbol:
The device must be protected from moisture.
Indicates the risk of electric shock and specifies the time (5 minutes)
required after inverter is switched off and disconnected to ensure
safety during all installation procedures.
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 4
2.2 Further safety instructions
▪Electrical installations must be done by qualified personnel only.
▪Explosive or flammable substances must be kept away from device.
▪In case of fire, never extinguish with water or other liquids.
▪Device has to be placed in a cool and well ventilated place. Some surfaces may heat up.
▪Keep children away.
▪Never open the device.
▪Prevent static charge.
▪Use all potential equalization connections.
▪Switch off the device for maintenance work.
▪Never short the batteries. Watch out for close conductive parts.
Batteries must be installed in well ventilated and temperature controlled areas, dry,
immovable and protected from damage / fire.
▪Cables should be installed as short as possible.
▪Replace damaged batteries immediately.
▪Batteries have to be replaced with batteries of same type.
▪Batteries only have to be used with inverters and/or chargers.
▪Never connect the batteries directly to an AC power supply.
3. Specifications and features
3.1 Dimensions
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3.2 Technical data
3.3 Interface overview
Illustration: overview of interfaces
1. LED (Battery capacity indicator)
2. DIP-Switches for adress assignment of battery moduls
Model
LIST4850
EAN / GTIN
4260586370881
Rated capacity
50Ah / 2560Wh
Voltage range
41.6 –57.6V
Rated voltage
51.2V
Cycle life
≥6000 @90% DoD
Charge characteristic
CCCV / IU
Bulk voltage
56.8 –58.4V
Float voltage
54.0 –55.2V
Max. charge current
50A
Max. discharge current
50A
BMS Battery Management System
integrated
Interfaces
RS485, RS232, CAN
Scalable
Parallel connection max. 8 pcs.
Protection class
IP65
Weight
36.5 kg
Warranty
10 years1
Dimensions (L x W x H) in mm
515 x 485 x 140
Temperature (discharge)
-20°C .. +60°C
Temperature (charge)
0°C .. +45°C
Temperature (storage)
-40°C .. +60°C
Certification and standards
CE, RoHS, UN 38.3, MSDS
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 6
Illustration: DIP-Switches for adress assignment
3. Console (RS232) for service (Pin assignment: 1-NC (empty), 2-NC (empty), 3-TXD, 4-RXD,
5-GND, 6-NC (empty)
Illustration: RS232 interface
4. RS485-1 interface for output of battery data (Pin assignment: 1-RS485-B1 , 2-RS485-A1, 3-
RS485-GND1, 4-RS485-B1, 5-RS485-A1, 6-RS485-GND1, 7-NC (empty), 8-NC (empty))
6
5
4
3
2
1
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5. CAN for output of battery data (Pin assigment: 1-CANL, 2-CGND, 3-NC (empty), 4-CANH, 5-
CANL, 6-NC (empty), 7-CGND, 8-CANH)
Illustration: RS485-1/CAN interface
6. RS485-2 interface for output of battery data (Pin assignment: 1-B, 2A, 3-GND, 4-x, 5-x,6-
GND, 7-A, 8-B / Baud rate setting)
Illustration: RS485-2 interface
7. Dry Contact
Illustration: Dry Contact
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Dry Contact
BMS-Status
Status description
Remarks
BMS in normal
operation
Pin 1 and 2 are not closed
BMS in protected
state
Pin 1 and 2 are closed
Signal output in case of SOC alarm
or BMS protection status under
certain circumstances, such as
undervoltage protection,
overvoltage protection or short-
circuit protection
8. Battery connection (+, red)
9. Battery connection (-, black)
10.RESET Switch (ON/OFF –hold 3-5 sec.)
11.LED (Status -> ON/OFF)
12.LED (Alarm -> refers to an error like under- / overvoltage, short circuit, etc.)
4. Installation
Make sure that the LiFePO4 battery is not connected with reversed polarity. If the battery is
connected incorrectly, the BMS electronics may be damaged irreparably.
4.1 Device check
After receipt of the LiFePo4 battery, check if the device has been damaged in any way, e.g. by
transport. In this case, do not operate the device and contact the seller.
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 9
4.2 Package content
The delivery includes components as followed:
▪Battery-Modul
▪Bridge cable (voltage + / - and
communication) between
moduls
Optional accessories
▪CAN-bus BMS cable
for connection of CAN
interface to inverter
▪Battery cable set
for connection of battery to
inverter.
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 10
4.3 Example of connection
All modules must be installed in a fixed location and free of vibration. Due to the 19" module size,
19" slide-in racks are suitable. Furthermore, the installation site should be plain, free of moisture
and dust.
Please note, the serial connection to the inverter/charger is made via CAN socket and to the
batteries via RS485 socket.
Illustration: Assembly of 8 batteries with inverter
Inverter
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The battery is not suitable for serial connection!
Disregard can lead to defect!
For hook-up of several batteries, addressing of each individual battery module is necessary. The
appropriate addressing of eight batteries by using the DIP switches is carried out in the following
example:
Illustration: Addressing by DIP-Switches
5. Safety guideline
5.1 Intended use
The battery may only be used for purposes described in this operating manual. Use for other
purposes is considered as improper use and will invalidate the product warranty. The
manufacturer is not responsible for damages caused by incorrect, improper or inappropriate use of
the product. The use in aviation or in medical devices which serve for life support is against the
intended use. LiFePO4 batteries are designed for use as energy storage devices.
5.2 Explosion and fire hazard
Never place objects or tools on the lithium battery. Avoid short circuits. Use insulated tools. Do not
wear metal objects such as watches, bracelets, etc. when connecting the battery. In case of fire,
use a class D fire extinguisher, foam or CO2 fire extinguisher.
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 12
5.3 Maintenance
To maintain the battery, keep the connection poles and surface clean. Use cyclically at least once
a year to maintain the capacity of the battery and to calibrate the charge status.
5.4 Storage
Disconnect all devices. The battery should be stored in a cool, well-ventilated place. Avoid direct
sunlight. It is recommended to charge the battery to approx. 80% of its capacity and to check the
charge status once a year.
5.5 Transport instructions
The lithium battery must be transported in its original packaging or in an appropriate packaging.
Never lift the battery by its terminals, but always by its handles.
The batteries are tested according to the UN manual of tests and criteria, part III, subsection 38.3
(ST/SG/AC.10/11/version 5). With regard to transport, the batteries belong to category UN3480,
class 9, packing group II. The corresponding regulations must be observed. This means the
battries must be packed for transport by land or sea (ADR, RID & IMDG) according to packing
instruction P903 and for air transport (IATA) according to packing instruction P965. The original
packaging meets these requirements.
5.3 Disposal
Batteries marked with the recycling symbol must be emited at recognized recycling
centers. They can also be returned to the manufacturer after agreement. Batteries
are not allowed to be disposed of in household or industrial waste.
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 13
5.4 Important notes
▪Do not open the LiFePO4 battery without agreement of the dealer.
Unauthorized opening of the battery will invalidate the manufacturer's
warranty.
▪Only use the battery for the application for which it is intended. Do not short
the LiFePO4 battery.
▪Installation and maintenance may only be carried out by qualified personnel.
▪Do not permanently expose to direct sunlight. Protect against heat.
Temperatures above +60 °C may damage the battery.
▪Only use compatible chargers or inverters.
▪Der Akku ist bei einer längeren Lagerung von allen Geräten zu trennen.
▪Take care of proper assembly.
▪Avoid damage of any kind, e.g. caused by falls, drilling or similar. (danger of
short circuit).
▪Always keep the battery dry and clean.
▪Observe the plus (+) and minus (-) markings on the LiFePO4 battery and the
device and make sure the polarity is correct.
▪Cycle capacity may vary from nominal capacity due to changes in operating
temperature and charge/discharge rate.
▪Only suitable for parallel connection. Serial connection is not permitted.
Batteries of different manufacturers or different types must not be connected.
6. Technical support
If you have any questions regarding your purchase or the operation of your battery, we always try
to help you.
SERVICE-CONTACT:
Mo.-Fr. 10:00-16:00
help.liontron.de
Liontron GmbH & Co. KG Industriestraße 1, D-41334 Nettetal 14
7. Glossary
LiFePO4
Lithium Iron Phosphate
Cycle
The period of use in which the nominal capacity of the battery was once
removed and recharged.
BMS
Battery-Management-System
SoC
State of Charge
CC/CV
Constant Current –Constant Voltage
DoD
Depth of Discharge
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