Xinxiang Hongli Supply Source Technology Co., Ltd
Xinxiang Hongli Supply Source Technology Co., Ltd. Biggest Manufacturer of lithium ion battery Daily Production Capacity: 3.5 million pieces With Annual Output Value: US$200
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4000 mah power bank internal battery 606090 li-polymer cell for power bank
| Battery Type | Li-Polymer battery |
| Nominal Capacity | 4000mAh |
| Nominal Voltage | 3.7V |
| Impedance | Below 40 mΩ |
| Charge cut-off voltage | 4.2V |
| Standard Charge current | 0.2-0.5C |
| Charging time | 3-6hours |
| Max charge and discharge current | 2C |
| Discharge cut-off voltage | 3.0V |
| Operating temperature | Charge:0°C ~ 45°C; Discharge:-20°C ~ 60°C |
| Storage temperature | -10°C ~ 45°C |
| Storage humidity | ≤85%RH |
| Cell Dimension | T6 X W 60X L90mm |
| Weight | 70g |
| Application | Power Bank |