3s Water Gun Lipo Battery 11.1v 2200mah 40c With Tamiya Plug For Mini Airsoft Bb Air Pistol Electric Toys Gun Rc Parts 103mm - Rechargeable Batteries - AliExpress
Lipo Battery | Plug | Parts Accs - 1850mah 4s1p 14.8v 100c/200c Light High Lipo Battery - Aliexpress
Amazon.co.jp: URGENEX 7.4V Lipo Battery 2S 35C 1800mAh Rechargeable RC Battery Pack with with Deans T Plug Campatibal with Most 1/10, 1/16 Scale RC Cars Trucks and 7.4V 1to2 USB Lipo Battery