Features:
7.4V 1000mAh rechargeable lipo battery; enough capacity and safe to use.
Easy to plug in and take out.
High quality and portable to carry.
Over charge for protection for every charging port.
Compatible with racing drone RC quadcopter car boat.
18650 protected rechargeable li-ion lithium battery Over charge and discharge protection Rechargeable Times: Up to 500 times Suitable for laser pointer