Features:
Original Hubsan brand.
Easy to install.
High quality and durable performance.
7.4V 610mAh 15C Lipo Battery for longer flight time.
Compatible with Hubsan X4 H502S H502E RC Quadcopter.
Features:
3.7V 500mAh lipo battery.
Easy to plug in and take out.
Enough capacity and safe to use.
High quality and portable to carry.
The batteries are 100% Syma brand.
Over charge for protection for every charging port.
4-port charger can charge four batteries once time.
Compatible with SYMA X5SW X5SC RC quadcopter.