The Pitfalls of Buying used Lithium Batteries: 1. Poor Quality 2. Financial Exposure 3. Unforeseen Costs 4. The lithium-ion batteries suffer from aging Description * 1 x New Bright 12.8 Volts 500 MAH Lithium ion Battery * Battery Dimension: L 2.4" x H 0.67" x W 2.24" (L 6.12cm x H 1.69cm x W 5.57cm) * 110 % Guaranteed working or Return for Money Back Package Contents: * New Bright 12.8 Volts 500 MAH Lithium-ion Battery * Notes: Remote Control and Car not included.