Yangers Parrot MiniDrones Charger Hub + Three Pack 3.7V 600mAh Battery, Three ports USB Charger Hub for Leaping Sumo Rolling Spider Swing Mambo Airborne Hydrofoil battery

It can charge single battery or multiple batteries at the same time with independent power supply for each port.
3 Pieces 3.7V 600mAh replacement batteries
Charging time (approximately): 90 mins with 1A output smartphone adapter, 75 mins with 2A output pad adapter.
Compatible with Parrot MiniDrones Jumping Sumo&Rolling Spider / Airborne Night / Airborne Cargo / Jumping Race / Jumping Night / Hydrofoil / Swing / Mambo
Built-in LiPo Battery Circuit Protection IC! Efficiently Reduce Over-charge / Discharge Risk, Protect your toy and battery!