300mAh lipo rechargeable battery,3.7V, use for bluetooth, headset,smart watch,electronices products. size:6*20*30mm 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 It can not be use for any drone or other aircraft ! 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.
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