Combo: 2 pcs Tenergy 9.6V 2000mAh NiMH High Capacity Battery Packs + 15V 400mah Simple Pack Charger (for 8.4V-12V packs) for RC Car, Robots, Security Standard Tamiya Connector. Made with 8xAA 2300mAh TENERGY high capacity and high power NiMH Batteries Compatible with popular RadioShak and Nikko RC Toy cars. Advanced NiMH battery technology, no battery memory effect Battery Dimensions: Height 0.5"; Width 2.3"; Length 4". Easy operation, battery can be charged anytime without the need to fully discharge. Charger: Input: AC 110V, Wall Plug. Output: DC 12V, 300mA charge. Built in Tamiya connector Charger UL approved. Charges 8.4V-12V NiMH and NiCd Battery Pack.