FPVERA 2PCS Drone Batteries 3.7V Lipo Battery USB Charger and 650mAh Lipo Battery with Battery Charger for SYMA X5 Serial UAV Drone Quadcopter Rechargeable Battery

Battery specificastion:

Capacity: 650mAh

Voltage: 3.7V

Product Dimensions:44 * 25 * 9mm/1.73 * 0.98 * 0.35 inches

Net weight: 17.6g

LED Status:

Red Lights on: currently charging

Red Lights off: charging complete

So when you find the light is not bright, please don't angry.    Maybe batteries are fully.

Caution:

The battery is charged and discharged once every 3 months in the long-term storage process to keep the battery activity.

Stop using when it expends or the temperature is over 70C .

Don't over-charge, or over-discharge batteries.

Do not bump,disassemble, short circuit and put the battery in fire or water.

package include:

2* lipo rechargeable battery

1 * USB charging cable

Features