103040 3.7V 1000mAh Lipo Polymer Lithium Rechargeable Battery for GPS Navigator GPS MP5 Bluetooth Speaker E-Book Camera

Capacity: 1000mAh (2.54 terminal plug)
Weight: about 24g
Battery size: 9.4*30.6*41.9mm
Actual size: 9.4*30.6*41.9mm
Battery protection board (to prevent overcharge/overcharge/short circuit/overcurrent)
Battery type: polymer lithium battery/rechargeable battery
Voltage: nominal voltage 3.7V
Full voltage: 4.2V
Charger: 5V
Internal resistance: 60mΩ.
Charging temperature: 0 degrees Celsius~, 45 degrees Celsius
Discharge temperature: -20 degrees Celsius ~ +60 degrees Celsius
Storage temperature: -20 degrees Celsius~, +35 degrees Celsius
Charging voltage: 4.2V to 5V