3.7V 250mAh 502030 Lithium Polymer Li-Po li ion Rechargeable Battery Lipo cells For MP3 MP4 speaker Tachograph Car DVR Camera

1> 100% brand new

2> High quality and high capacity!

3>Built-in protection circuit PCM to prevent overcharging or over-discharging

4> Size: 5mm(H)*20mm(W)*30mm(L)

5> Rating: DC3.7V 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: 3-7hrs (standard); 3hrs (fast)

Protection function: overcharge, over-discharge, over current, short circuit protection, over temperature protection

It can be recharged repeatedly

Built-in protection circuit PCM to prevent overcharging or over-discharging.