Batteries & Chargers

Email:sophia/AT/vaima.cn
Skype: sophia-battery
1. Dimension:7.4x70x223mm
2. LIFEPO4 battery cell
3.1 Capacity Nominal 9000mAh Standard charge, 0.5C discharge, 2.3V/cell cut off
3.2 Nominal Voltage 3.2V Average voltage at 1.0C discharge
3.3 Standard Charge Condition 0.5C (4500mA),3.65V(CC-CV), 2.5h
3.4 Maximum Charge Current 1C(9000mA)
3.5 Peak charge current(10sec) 3C
3.6 Maximum Charge Voltage 3.65V
3.7 Maximum Discharge Current ≤3C(27.0A) Continuous Current
3.8 Peak discharge current(10sec) 5C
3.9 Discharge Cut-off Voltage 2.3V
3.10 Voltage as of shipment 3.2~3.4V
3.11 Cell Weight Approx.220.0g
3.10 Operating
Temperature Charge 0~45℃ 90%RH Max.
Discharge -20~60℃ 90%RH Max.
3.12 Storage
Temperature 1 month -20~45℃ Recommended storage
temperature: 20℃ or less, at the shipment state
3 month -20~35℃
1 year -20~20℃
3.13 Cycle Life @25℃ Measure the capacity after 1200 cycles with standard charge/discharge method at 0.25C to 2.5V cut-off voltage. ≥80％