RoaringTop 5-Pack 25C 3.7V 350mAh Lithium-ion Batteries for Hubsan X4,H107C,H107D,107L,F180,F180C,M61X,M62R,Udi,U816, Syma X3 and more models Discharge Rate: 25C; Capacity: 350mAh; Voltage: 3.7V Weight for each pack: 11g; Size: 35*20*7mm/13.78*7.87*2.76 inch (Approx.) Charge Plug: MOXEL-51005 2 Pin Female; Discharge Plug: MOXEL-51005 2 Pin Female Package Includes: 5 x 3.7V 350mAh Lipo Battery Perfect for Hubsan X4,H107C,H107D,107L,F180,F180C,M61X,M62R,Udi,U816, Syma X3 and more models