Hfc1450 High Ratio 3.2v Lithium Iron Phosphat Rechargeable Lifepo Battery 500mah Power 10c Current 5a 14*50mm Super Li-ion - Digital Batteries - AliExpress
6.4V 2S 900mAh 1650 LiFe Battery SM 2P positive plug for WLtoys /HBX RC Truck Buggy|Parts & Accessories| - AliExpress