Digital-kingdom 6 pcs 3.7v 850mAh 25c Upgrade Lipo Battery JST Plug with X6 Charger for MJX X400 X400W X800 X300C Sky Viper S670 V950hd V950str HS200W National Geographic Quadcopter Drone;

Specification:
Capacity:850mAh
Continuous discharge rate: 25C
Voltage: 3.7V
Cells : 1
Weight:138g
Size:40mm*25mm*9mm

LED Status for charger:
Red Lights on: currently charging
Red Lights off: charging complete

Package List:
6*3.7v 850mah 25c lipo battery
1pc*X6 charger
6x the white connector to JST wires

Compatible with:
MJX X400 X400W X800 X300C Sky Viper S670 V950hd V950str HS200W National Geographic Quadcopter Drone
Warm tips:
1) The input voltage :5V The input voltage :2A
2)Don't connect the charger to an adapter of more than 5V to charge batteries.Otherwise,the charger will be damaged or even burnt
3)When you receive the item,inspect the battery for any damages or swelling .Don't charge a damaged battery or a swelled battery .If you have any issue ,please feel free to contact me.
4) Don't overcharge the batteries.I suggest that you should use the charger with the overcharging protection function.
5)Make sure that the batteries are charged in the safety place.You had better put them into lipo safe bag while charging