NOTE: Before purchasing, please note that the battery size and plug are suitable for your RC device, JST-2P plug, this battery is compatible with Huina 1337 1338 1516 1517 1552 1553 1554 1555 1556 1557 1558 Remote Control Engineering Vehicle RC Remote Control Automobile, Electric Toy Vehicle Battery (can only be mounted if the voltage, size, and plug match)

Battery Information：
Battery Voltage: 3.7V
Battery Configuration: 1S
Battery capacity: 500mAh
Battery weight: 18g/1PCS
Battery size:50*14.5mm（1.97*0.57in）
Discharge connector: JST-2P plug
Charging connector: JST-2P plug
Battery chemistry: lithium polymer

Charger introduction
Product name: USB smart charger (1 drag 5 charger)
Input parameters: DC 5V 2-3A
Output parameters: DC 3.7V 500mA
Plug type: 2-pin balance charger plug
Rechargeable battery: 1S 3.7V lithium battery Li-PO/Li-ion
Charging instructions: charging cable connected to the power supply, access to the battery charging, the red charging indicator light is always on. The red light goes out when fully charged.

Battery precautions:
1. Turn off the device when the battery is low to avoid deep discharge.
2. Be sure to disconnect the battery from the device when not in use.
3. Do not use or charge the battery if it is gassed, swollen, leaking, overheated or any other abnormalities
4. Never disassemble, puncture, shock or damage the battery. Do not ignite the battery.
5. Do not overcharge the battery. Improper use, such as short-circuiting or overcharging, may result in explosion or fire.