Extend your flight time with additional batteries for your . This intelligent 4300mAh 13. 05V lithium polymer rechargeable battery provides up to 30 minutes of flight. A release button on top of the battery allows for easy installation and removal, allowing you to change batteries quickly, so you can continue your flight with minimal downtime. Safety features help protect from short-circuiting, overcharging, and balance protection. The EVO battery is even intelligent enough to self-discharge when not in use for extended periods of time and long-term storage.