LW51100 (LiWATT 51.2V 100Ah)is a communication lithium battery based on innovative Li-ion technology. It is specially designed for telecom sites with advanced features: a long lifespan, a wide range of charging voltage, fast charging, and intelligent management.


LW 51.2100

LW 51.2100

Feature of LiFePO4 Battery

Functions of Battery

Charge curves at different C-rates
Discharge curves at different C-rates
SpecificationModelLW 51.2100
Electrical CharacteristicsNominal Voltage51.2V
Nominal Capacity100Ah
Internal Resistance≤100mΩ (without BMS)
Cycle Life≥4000 cycles, 80% DOD
Design Life≥15 years @25℃
Self-Discharge (30 days)≤3% @35℃
Efficiency of Charge≥98%
Efficiency of Discharge≥100% @ 0.2C , ≥96% @ 1C
ChargeCharge Voltage56-57.6V
Charge Mode0.2C to 57.6V, then 57.6V charge current to 0.02C (CC/CV)
Max. Charge Current100A
DischargeMax. Continuous Discharge Current100A
Discharge Cut-off Voltage5V±0.5V
EnvironmentalCharge Temperature Range-20℃~60℃ (extra heating mechanism under 0oC)
Discharge Temperature Range-20℃~60℃ (reduced capacity under 0oC)
Optimum Operation Temperature10℃~35℃
Storage Temperature-20℃~55℃,≤85% Relative Humidity
Water Dust ResistanceIP20
MechanicalMax. Weight≥43kg
(excluding hanger and handle bar)
CaseIron (Insulation painting)
Min. Gravimetric Specific energy119Wh/kg
TerminalM6*2 for positive and M6*2 for negative
Parallel in maximum16pcs in maximum, vertical or horizontal install are both allowed
CommunicationParallel CommunicationRS485
Battery with EquipmentRS485
Battery Debugging CommunicationRS232
SOC Light6 * LED
Charge Current limitWhen the charging current exceeds the set value,
turn on the current limit and limit the current to 10A