Instructions: Apply to: Remote control aircraft, remote control car, remote control ship 1. When the charger is connected to the 220V power supply, the charger is not displayed. 2. When the Ni-Cd/Ni-MH rechargeable battery pack is fully charged, the indicator light is slightly dimmed and charging stops. Features: The intelligent load identification chip blocks excessive current and voltage from entering and protects the device from damage. Intelligent IC technology provides overload protection and short-circuit protection and ensures safety during charging. Automatically adapts to USB input power, quickly and stably recharges the battery. As long as the battery pack voltage matches the plug (note the forward and reverse orientation of the plug), this charger is suitable for 7.4V 500mA SM-3P forward plug lithium battery pack. Red color indicator shows the charging state. Compact and lightweight design, convenient to carry. Charging cable only; other accessories shown in the picture are not included. Tips: 1. The charger should be positioned horizontally and in a well-ventilated area; avoid water and keep away from flammable or explosive materials. 2. Do not cover the charger during charging. 3. Do not disassemble the charger. Specifications: Material: ABS Input: DC 5V 1-2A Output: DC 7.4V / 6.4V (Optional) Charging Current: 500mA / 600mA / 800mA / 1000mA (Universal) Color: Black Quantity: 1 Piece Note: 1. No retail packaging. 2. Please allow 0-1cm error due to manual measurement. Please ensure you are comfortable with this before ordering. 3. Due to differences between monitors, the picture may not reflect the actual color of the item. Thank you. Package includes: 1 x Charging Cable