This lipo battery is just for MJX X600 WLtoys V921 RC quadcopter， which features high quality and durable performance. This is the best choice for you to enjoy more flying joys.

Features:
Easy to install.
100% Brand New.
High quality and durable in use.
Light weight and protable to carry.
Made of good and new technology material.

Specifications:
Item name: Li-po Battery
Battery: 7.4V 850mAh 20C
Suit for: MJX X600 WLtoys V921 RC Quadcopter
Item dimension: 55 * 26 * 18mm / pcs
Item weight: 45.3g / pcs

Package information:
Package size: 12.2 * 5 * 4.5cm / 4.8 * 2.4 * 1.8in
Package weight: 112g / 4oz
General box package

Caution for the battery:
Don't over-charge， or over-discharge batteries.
Don't put it beside the high temperature condition.
Don't throw it into fire.
Don't throw it into water.

Package list:
2 * 7.4V 850mAh 20C Lipo Battery