3.7V 250mAh 301645 031645 lithium polymer rechargeable battery cells li ion for mp3 GPS headset bluetooth Smart Band Video pen
Product Description
250mAh lipo lithium polymer rechargeable battery 3.7v for mp3 MP4 GPS headphone Smart Band Smart Watch bluetooth 301645 031645
1. Model: 301645 031645
2. Size: H=3mm W=16mm L=45mm
3. weight: 5g/pcs
4. voltage: 3.7V
5. capacity: 250mAh.
Charging current: standard charging, fast charging: 1.0C: 0.5C
Standard charging method: 0.5C CC (constant current) charge to 4.25V, then CV (constant voltage 4.2V) charge till charge current is less than or equal to 0.05C
The maximum charge current: 1C
Maximum discharge current: 1C
Discharge cut-off voltage: 2.75V
The discharge temperature: -20 degrees C~+60 degrees C
Charging time: 2-4hrs (standard); 2hrs (fast)
Protection function: over charge, over discharge, over current, short circuit protection, over temperature protection
It can be recharged repeatedly
Built-in protection circuit PCM for prevent over charging or over discharging.
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