- Contact Person : Mr. zhang haowei
- Company Name : Shenzhen Hongxin Yun Technology Co., Ltd.
- Tel : 86-755-28316606
- Fax : 86-755-28316626
- Address : Guangdong,shenzhen,Room 214,Sen Jas Valley shops,Jin Yuan Industrial Zone,Heao community,Henggang Street,Longgong District,Shenzhen
- Country/Region : China
- Zip : 518116
Rechargeable lithium polymer battery pack
Rechargeable lithium polymer battery pack.3.7V850mAh 1700mA dischargeISO 9001 UL CE MSDS UN38.3 ROHS certification available
1.Specification
NO. | Item | Specifications |
4.1 | Nominal capacity | 850mAh @ 0.2C Discharge |
4.2 | Nominal voltage | 3.7V |
4.3 | Charge current | Standard Charge : 0.5C Rapid charge :1.0C |
4.4 | Standard Charging method | 0.5C CC(constant current)charge to 4.2V,then CV(constant voltage 4.2V)charge till charge current decline to ≤0.01C
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4.5 | Charging time | Standard Charging Approx 5 hours Rapid charge Approx 2 .5hours |
4.6 | Max.charge current | Constant Current 1C Constant Voltage 4.2V 0.01 C cut-off |
4.7 | Max.discharge current | Constant current 1.0C end voltage3.0V |
4.8 | Standard Discharge Current | Constant current 0.2 C end voltage3.0V |
4.9 | Discharge cut-off voltage | 3.0V |
4.10 | Charge cut-off Voltage | 4.20V |
4.11 | Initial Impedance | ≤150 mΩ |
4.12 | Weight | Approx:35g |
4.13 | Operating temperature | Charging : 0°C~45°C Discharging: -20°C~70°C |
4.14 | Storage temperature | -5°C~35°C |
4.15 | Storage Humidity | ≤75% RH |
4.16 | Appearance | Without scratch,distortion,contamination and leakage |
4.17 | Standard environmental condition | Temperature : 23±5°C Humidity :45-75%RH Atmospheric Pressure :86-106 Kpa |
2. General Performance of cell
No. | Item | Test Methods and Condition | Criteria | |
5.1 | 0.2C Capacity | After standard charging, rest battery for 10min,discharging at 0.2C to voltage 3.0V, recording the discharging time. | ≥300min | |
5.2 | 1C Capacity | After standard charging, rest battery for 10min, then discharging at 1C to voltage 3.0V, recording the discharging time. | ≥54min | |
5.3 | Cycle Life | Constant current 0.5C charge to 4.2V, then constant voltage charge to current declines to 0.01C, stay 5min,constant current 0.5C discharge to 3.0V,stay 10min. Repeat above steps till continuously discharging capacity Higher than 80% of the Initial Capacities of the Cells | ≥300 times | |
5.4 | Capability of keeping electricity | 20±5°C, After standard charging, laying the battery 28days, discharging at 0.2C to voltage 3.0V, recording the discharging time. | ≥240min | |
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3. product photoes
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Rechargeable lithium polymer battery pack