• High lifespan: two thousand cycles and more (see chart) • Deep discharge allowed up to 100 % • Ultra safe Lithium Iron Phosphate chemistry (no thermal run-away, no fire or explosion risks) • Embedded BMS (Battery Management System): improve lifespan AND secure the battery • No Lead, no heavy metal, no toxic element • Calendar life > 10 years • Excellent temperature robustness (-20 °C up to +60 °C) • Constant power during discharge (very low internal resistance) • Very low Peukert’s losses (energy efficiency >96 %) • Very low self-discharge (<3 % per month) • No memory effect • About 50 % lighter and 40% smaller than equivalent Lead-AGM battery with same usable energy • Certification : CE, RoHS, UL, UN 38.3
Item Specification
Battery Pack Specifications
Item
Standard
Comments
Nominal voltage
48 V
Typical capacity
120±4Ah
At 0.2C discharge rate
Normal working current
40A
Max continuous current
60A
≤5min
Charge voltage
57.6±0.2V
Charge mode: CC/CV，Use a constant current, constant voltage(CC/CV). Please use special lithium charger
Charge current
25A
Inner resistance
≤ 60mΩ
Between positive and negative polar
Operation temperature range
Charge
0℃～+45℃
Discharge
一20℃～+60℃
When the environment temperature is higher than 45℃，please pay attention to ventilation and heat rejection
Storage temperature range
0℃～40℃ （Capacity 80%）
Recommended long-term storage temperature is 15~25℃
Humidity
5%≤ RH≤50%
Shell material
Iron
Weight
77±1Kg
Size（L*W*H）
（900±2）*（350±2）*（200±2）mm
Protection function
Over charge protection, Over discharge protection, Over current protection,Temperature protection, Balanced function
Cycle
Standard charge at 0.2C（A）, rest 0.5~1 h，discharge at 0.2C to cut off
voltage，rest 0.5~1h,repeat the above steps until1 500 cycles.( capacity
