Powerextra 2 Pack 3.7V 650mAh LiPo Battery for Parrot MiniDrones Jumping Sumo, Rolling Spider, Air Night Drone, Airborne Cargo Drone, Jumping Race Drone, Night Hydrofoil Drone - Upgrade Provides 8 minutes flying time with the Rolling Spider, or 20 minutes operation with the Jumping Sumo. Installed Circuit Protective IC; Efficiently reduce over-charge/discharge, Protect your toy and batteries! 100% compatible with Parrot replacment parts, Easy to recharge while installed in the Parrot minidrone. 3.7V 650mAh upgrade Lithium Polymer Battery; Continuous discharge current: 8A. 24 Hours friendly customer service, 30 Days money-back guarantee and 1 Year limited Warranty!