6.4v 14500 500mah Li ion Battery for Wltoys 18401/18402 Remote Control Off road Vehicle 6.4v battery for RC toys Car Boat 2PCS|Parts & Accessories| - AliExpress
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6.4V 2S 650mAh LiFe Battery EL4.5-3P Female Plug P-TO-R for RC Car Truck Boat 155249258177 | eBay