Upgrade Battery for Heng Long German Tiger Tank 2000mAh. AB, BT, IM, HS, IV, KA27, KA28, KW, KY, PH, ZE, DD, JE, GY, Isle of Wight and PA20 and above. We keep a large range of batteries, not just for RC models such as LIPO & NIMH's but batteries for bait boats, ride on toy cars, alarms and motorbikes.