?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