Brand new and high quality Instructions: Apply to: Remote control aircraft, remote control car, remote control boat 1. When the charger is connected to 220V power, the charger does not display. 2. When the rechargeable Ni-Cd/Ni-MH battery is fully charged, the indicator light is slightly dimmed, and charging is interrupted. Features: The intelligent load identification chip blocks excessive current and voltage from entering, protecting the device from damage. Intelligent IC technology provides overload protection and short-circuit protection, ensuring safety during charging. Automatically adapts to USB power, charging the battery quickly and stably. As long as the battery pack voltage is the same as the connector (note the front and back of the connector), this charger is suitable for 7.4V 500mA SM-3P forward connector lithium battery packs. Red color indicator to show charging status. Compact and lightweight design, convenient to carry. Only charging cable, other accessories demo in the picture is not included! Tips: 1. The charger should be placed horizontally and in a well-ventilated condition, avoid water, and keep away from flammable/explosive goods. 2. Do not cover the charger when charging. 3. Do not disassemble the charger. Specification: Material: ABS Input: DC 5V 1-2A Output: DC 7.4V /6.4V (optional) Charging Current: 7.4V/500mA, 6.4V/600mA Color: Black Quantity: 1 pc Note: 1. No retail package. 2. Please allow 0-1 cm error due to manual measurement. Make sure you don't mind before bidding. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x charging cable