12V 20Ah Lithium LiFePo4 Battery BMS RS232 for Solar system XT60 Plug
Lithium LiFePo4 Battery Pack 12V 20Ah with Smart BMS RS232 communication system
designed for Solar System with microcontroller
1. LiFePo4 cylindrical cell 32700 3.2V 3P4S coact designed
2. Long Cycle life with over 2000 cycles and 2 years quality guarantee
3. Over charge and discharge protection with cell balance function
4. Communication Serial port protocal RS232 in english version be available
5. 14.4V 6.5A LiFePo4 charger be matched with 12V 20Ah battery pack with
3-4 hours fully charged
6. UN38.3 MSDS IEC62133 CB certificate to support overseas market
Air delivery , Sea delivery and courier door to door service keep safety delivery
Specification for the 12V 20Ah Lithium LiFePo4 battery pack with XT60 plug
| Index. | 12V 20Ah battery Specification info | Parameter |
| 1 | Charging Method | CC-CV |
| 2 | Charging Voltage | 14.4±0.05V |
| 3 | Over Charging Protect | 3.650±0.025V |
| 4 | Standard Charging Current | 3.9A (0.2C) |
| 5 | Max. Charging Current | 15A |
| 6 | Cut-off Charging Current | 0.39A (0.02C) |
| 7 | Standard Discharging Current | 3.9A(0.2C) |
| 8 | Max. Discharging Current | 15A |
| 9 | Max Peak Discharging Current | 30A(1S) |
| 10 | Discharging cut-off Voltage | 10V |
| 11 | Over Discharging Protect | 2.5±0.08V |
| 12 | Over Charge Current | 40±5A |
| 13 | Over Discharge Current | 40±5A |
| 14 | Cell balancing voltage | 3.60±0.05V |
| 15 | Cell balancing current | 36±5mA |
| 16 | Internal Resistance | <180mOhm |
| 17 | Standard Charge Teerature | 0~45℃ |
| 18 | Standard Discharge Teerature | -20~60℃ |
| 19 | Storage Humidity | 65%RH not condensed |
LiFePO4 12V 20Ah System Block Diagram
