Product information:
1pcs battery weight: 18.5g
Product Size:50X14.5mm
Voltage:3.7V
Capacity:500mAh

Specifications:
The batteries have a built-in protection mechanism for safe charging and use.
The internal battery protection device installed, the user should protect safety, you can rest assured that the use of the article.
Guaranteed longer flight time, rechargeable lithium-polymer battery.
The battery connector is exactly the same shape as the original battery, no loose problems.

Attention:
Charge Li-Po battery with Li-Po battery charger only.
Charge the Li-Po battery on a heat resistant surface.
Inspect Li-Po battery before charging and operating it.
Do not let Li-Po cells overheat at any time.
Do not over-discharge the Li-Po battery.

Package icluding:
5PCS 3.7V 500mAh Li Battery
1PCS 5-IN-1 Charger

Note:
Any questions please feel free to contact me, we will be very happy to service you.