Introducing the KP Original SM-2P 4000mAh 3.7v Rechargeable Connector Battery, a reliable and long-lasting power source for your toys, RC cars, and other SM-2P equipment. With a capacity of 4000mAh and a voltage of 3.7v, this battery delivers ample power to keep your devices running smoothly. Its rechargeable design ensures convenience and cost-effectiveness, allowing you to recharge and reuse it multiple times. The compact size and lightweight construction make it easy to carry and integrate into your devices. Unleash endless hours of playtime and enjoyment with this high-quality battery. Please note that proper care and handling are recommended for optimal performance and longevity.