BTG 3.8V 750mAh Battery and X6 Charger for Beginners X708W UFO 3000 398 Halo 3000 Haktoys HAK905 GoolRC T32 T5W JJRC H42 UDI U45 Syma X15W X5SW X5C-1 X5SC-1 M68R Drone Compatible with RC Drones (including but not limited) Syma X5 X5C X5SW X5C-1 X5SW X15W X15 Cheerson CX-30W UDI U45 Beginners X708W X708 UFO 3000 Halo 3000 JJRC H42 M68 M68R JXD UFO 398 Haktoys HAK905 ... BTG UPGRADE 3.8V 750mAh Lipo Battery + X6 Micro Losi Charger KitNOTE: you need a "Android Micro USB" to power it up. Not Included.battery cell UPGRADE with high quality Lithium cobaltate, working performance improved 3.8Vhigh working voltage 750mAhhigh capacity  longer working life, higher energy density, lower internal resistance and shorter charging time Safe: Built in protection IC - overcharge protection, over discharge protection and over current protection Package Listing: 6pcs batteries + X6 charger