Battery parameters:
Voltage: 7.4V
Capacity: 800mAh
Battery configuration: 2S
Discharge rate: 20C
Product Weight: 40g (1PCS)
Product Size: 55X29X15mm / length 2.17 (in) X width 1.14 (in) X thickness 0.59 (in)
Discharge connector: SM-2P plug
Charging interface: XH-3P plug
Battery Chemistry: Lithium Polymer

Charger Description:
Product Name: 7.4V USB Charging Cable
Input Voltage: DC 5V 2A
Output Voltage: DC 7.4V 500mA
Plug type: three-pin balanced charging plug
Rechargeable battery: 2S 7.4V lithium battery Li-PO/Li-ion

Package included:
1PCS 7.4V 800mAh Lithium Battery and 1PCS USB Charging Cable

Note:
Do not leave the battery unattended during charging.
If you have any questions, please feel free to contect us, and we will try to reply within 24 hours.