Amazon.com: HBX Part 24971 Lithium Battery 6.4V 500mAh for 1/24 RC Model Buggy Crawler Truck 2098B : Toys & Games
LiFePO4 18650 Battery: 6.4V 1500mah (Flat, 9.6Wh, 4 A rate ) with PCB & Polyswitch
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LiFe Battery 6.4V 1.6Ah Replace Lead Acid 6V 1.3AH for EX6V1.2A EXITRONIX UB613 606321665944 | eBay
New Version 6.4v 500mAh 14500 Li ion Battery WLTOYS 18401/02 4 drive High speed climbing Offroad racing XQWR14 HBX 2098B RC Car|Parts & Accessories| - AliExpress