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LiFePO4 Batteries

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12v 50ah Deep Cycle Lithium ion Battery GSL1250

Catelogue: LiFePO4 Batteries


5 years warranty
10 times cycle life than lead acid batteries
Portable, super light
Virtually 100% charge/discharge coulomb efficiency
Very low self-discharge rates

Product Details :

12.8V 50AH lithium battery for Solar street led light

GSL lithium ion battery is new environmentally friendly backup power system focus on short-time and high-rate discharge scenarios. The environmentally friendly lithium  ion  battery  configured  with  high-performance  BMS,  has  a  wide  range of  performance  and application advantages compared with conventional battery. And the leader chemical technology, BMS technology and system design capabilities will bring excellent performance and reliability.

♣ Advantages

◆  It  is  high  integrated  with  less  installation space;

◆  High-performance cathode material of lithium iron  phosphate  makes  it  has  excellent  cell consistency and long cycle life;

◆  The battery has excellent performance in lowtemperature;

◆  Multiple protection functions, battery has high voltage protection with higher reliability;

◆   Modular and quick plug design makes it easy to use and maintenance;

♣ Key Features

◆   It is small size with light weight;

◆   It without heavy metals and environment friendly;

◆  There is no memory effect;

◆   More than 4000 times cycle life;

◆   Maintenance free;

◆  It can afford high-rate discharge of 1C;

◆   Internal BMS with full protection 

♣ Safety

Passed the below abuse and safety test-short-circuit, dropping, nail penetration, impact, crush, thermal shock, over-charge,

over-discharge: no fire, no explosion with stable chemical structure.

♣ Long life 

♣ Portable, Super Light 

♣ Specification 


Items Parameter
Battery Type LiFePO4
Nominal Voltage 12.8V
Nominal Capacity 50Ah
Energy 600Wh
Internal Resistance ≤20mΩ
Series & Parallel Application up to 4 series 4 parallel connected application
Limited Charge Voltage 14.6±0.2V
Floating Charge Voltage 13.8±0.2V
Charge Method CC/CV
Discharge Cut-off Voltage 10.0V
Standard Charge Current 20A
Max. Charge Current 50A
Standard Continuous Discharge Current 50A
Max. Continuous Discharge Current (<30min) 100A
Pulse Discharge Current (<3s) 150A
Cycle Life > 4000 cycles
Dimension (mm) Length: 197±2  Width: 165±2  Height: 175±2
Weight 5.5±0.2Kg
Charge Temperature Range 0~45℃
Discharge Temperature Range -20~60℃
Recommended Operating Temperature 15~35
Self-Discharge Rate (Residual capacity) ≤3%/month; ≤15%/years
Self-Discharge Rate (Reversible capacity)  ≤1.5%/month; ≤8%/years
Storage Temperature & Humidity Range (Less than 1 month) -20~35℃, 45~75%RH
Storage Temperature & Humidity Range (Less than 3 months) -10~35℃, 45~75%RH
Recommended Storage Temperature & Humidity Range 15~35℃,45~75%RH