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[China]
Address: MinXin commerce building, BaiHua Dong,GuangMing Street,ShenZhen,China
Contact name:Alex
Unitech Energy System Limited |
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Li ion 4s2p 18650 4400mah Lithium Ion Battery Pack 14.8V For Robot Cleaner
Battery specification:
| No. | Items | Specifications | Remark | |
| 1 | Nominal Capacity | 4400mAh | 0.2C Standard discharge | |
| 3 | Nominal Voltage | 14.8V | ||
| 4 | Discharge end voltage | 12.0V | ||
| 5 | Charge Voltage | 16.8V±0.03V | By standard charge method | |
| 6 | Standard charging method | 0.2C constant current,16.8V constant voltage charge to 16.8V,continue charging till current decline to≤0.01C | ||
| 7 | Charge current | 0.2C | 880mA | Standard charge |
| 0.5C | 2200mA | Rapid Charge | ||
| 8 | Standard discharging | 0.2C constant current discharge to 12.0V | ||
| 9 | Cell Internal Impedance | ≤50mΩ | Internal resistance measured at AC 1KHZafter 50% charge | |
| 10 | Maximum charge current | 1C | 4400mA | continuous charge |
| 11 | Maximum discharge current | 1.5C | 6600mA | |
| 12 | Operation Temperature and relative humidity Range | Discharge | -20~60℃ 60±25%R.H. | Charge at a very low temperature such as blew 0℃,will be get a lower capacity and reduce cycle life of the battery |
| Charge | 0~45℃ 60±25%R.H. | |||
| 13 | Storage temperature for a long time | ‘-10~45℃ 60±25%R.H. | Do not storage exceed half year. Must charge once when storage for half year. must charge the battery with protect circuit when storage for three months. | |
We Make A Promise:
A grade safety PCM for every batteries.
A grade quality battery cells.
100% true capacity.
Competitive or reasonable price .
1 year warranty.
Excellent after-sell service
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