From The Manufacturer:
1. 3.7V 600mAh lithium battery for RC helicopter
2. High quality and rechargeable performance
3. Lightweight, durable, practical and convenient to use
4. High capacity and long life span
5. Fast charge and discharge rate for your requirements
6. It is a great battery set to power your RC helicopter
7. It offers extra 7-10 minutes flight time than original battery
Package Includes:
1 x Battery