... .4V 2s 4. suitable for RC toys 5, OEM service 25C 4200mAh 7.4V 2S RC Lipo Battery Capacity4200mAh Continuous discharge ... Size120x45x28 mmWeight219gFeature:* Capable of maximum continuous discharge rates up to 25C,burst rate 30C, placing this battery among the most powerful ... old customer.Package content:1 x 7.4V 4200mAh 25C Lipo Battery LION 7.4V 4200MAH 25C rc helicopter battery lipo battery