KCRTEK 350mAh Lipo Battery, 2pcs 3.7V 350mah Battery JST Plug MJX X400 X400W X800 X300C Sky Viper S670 V950hd V950str HS200W Other Quadcopter Drone KCRTEK Professional Replacement Lipo battery,High safety Grade A lithium polyer raw material. Quickly Recharged,Long cycle life with 150 times minimum. Parameter,3.7V 350mAh;Weight:0.022lb;Dimension:2.75*0.98*0.79inch;Connector:JST Applications,Holy Stone HS170,HS170C,F180W,F180C;ubsan X4 (H107C-HD), Hubsan X4 (H107C), Hubsan X4 (H107D), Hubsan X4 (H107L);Syma X11, Syma X11C, Syma X51, XT Flyer,TDR Spider WLtoys V252, JXD JXD385, Walkera Super CP, Walkera Mini CP, Walkera Genius CP What you get,1pc KCRTEK Lipo battery&180days free return and custom service based on your require.