Panasonic NCR18650B 18650 3400 mAh Li-On Battery Battery It is a 18650 series battery model. It is one of the high torque batteries for mod devices. Technical specifications: Brand: Panasonic Li-ion Battery Chemistry: Lithium ion batteries Voltage: 3.7V Capacity: 3400mAh Size: 18.6 x 65.2MM Weight: ..