... Voltage:3.7V-7.4V Capacity:2000mAh,2200mAh,2400mAh,2600mAh 4000mAh,4400mAh,4800mAh,5200mAh Size:20x38x65mm 7.4V 2200mah (18650*2) Battery Pack Description: ... 1,Packing: . High quality 7.4V 2.2Ah Li-ion rechargeable battery Module is made of 2 ... Rate: 9 Amp limited by PCB Dimensions: (LxWxH)65x 3 8 20mm Weight: 100g 18650 lithium ion battery pack