Soundon New Energy Technology Co,.Ltd.
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19Ah LifePo4 Lithium Battery With Longer Cyclelife For House Energy Storage System,UPS ,back up power
Specifications:
| Item | Specification |
| Nominal Capacity | 19Ah ,0.5C discharging(25±2℃) |
| Nominal Voltage | 3.2V |
| Charge Ending Voltage | 3.65V |
| Discharge Ending Voltage | 2.0V(≥0℃) 1.6V(< 0℃) |
| Standard Charging Method | 25±2℃ 0.5C constant current charge to 3.65V, then constant voltage 3.65V charge till charged current declines to ≤ 0.05C |
| Standard Discharging Method | 25±2℃ 0.5C constant current discharge to 2.0V |
| Max. Pulse Charging Current | 1.5C (15℃～45℃, 50%SOC )≤30S |
| Max. Pulse Discharging Current | 2C (15℃～45℃, 50%SOC)≤60S |
| Operating environment | Charging:0℃-55℃, max.90%RH Discharging: -30℃-55℃, max.90%RH |
| Impedance | ＜2.5mΩ |
| Cell Weight (Not include PCB) | 0.369±0.015 kg |
| Weight energy density | 170Wh/Kg |
| Volume energy density | 357Wh/L |
Lithium Iron Phosphate (LiFePO4)
Li-phosphate offers good electrochemical performance with low resistance. The key benefits are high current rating and long cycle life, besides good thermal stability, enhanced safety and tolerance if abused. Li-phosphate is more tolerant to full charge conditions and is less stressed than other lithium-
ion systems if kept at high voltage for a prolonged time.
Lifepo4 Battery cells test performance :
1.high discharge rate :
wide temperature discharge
Longer cycle life
Mass Production
