Custom battery solutions for ride-on toys, Power Wheels, and kids electric cars — compatible with Mattel Power Wheels, Best Thunder UTV, and more. Customize chemistry, voltage, capacity, dimensions, connector, BMS, and labeling. Features LiFePO4 and Li-ion options with smart BMS for reliable, safe, and long-lasting power. CE, RoHS, UN38.3 certified. OEM/ODM factory direct.

