Features: 7.4V 2500mAh Li-ion Battery: Bigger and stronger 7.4V 2500mAh Li-ion battery provides more flight time. External Micro-USB Port: Micro-USB port can be charged by USB charging cable. LED Charge Level Indicator: LED lights indicate battery's charge level. Simple 2-Prong Connection Specially designed for SJ R/C S70 S70W RC Quadcopter. Discounted at only: US$ 35.39 
