When the battery is fully charged, the red light goes out and charging stops automatically. The intelligent load identification chip can prevent excessive current and voltage from entering, and protect the equipment from damage. Plug and play. As long as the USB is connected to the device, it can be charged normally, and other tasks can be performed at will during the charging process. Suitable for TR-211 RC excavator and Huanqi 516 558 RC tank 538 RC car and other similar RC toys. The charging cable uses a smart IC protection circuit to prevent overcharging, overcurrent and overvoltage, ensuring safety during charging. Input voltage/current: 5V / 2A. Output voltage/current: DC 7.2V / 250mA.Total length: 78cm. Package includes: 1PC USB battery charger. Specification:
Input voltage/current: 5V / 2A
Output voltage/current: DC 7.2V / 250mA
Port: SM-2P
Total length: 78cm
Package includes: 1PC USB battery charger

Feature:
Smart IC technology provides overload protection and short circuit protection, and ensures safety during charging.
The intelligent load identification chip can prevent excessive current and voltage from entering and protect the equipment from damage.
Plug and play. Suitable for Ni-Cd / Ni-MH (7.2V SM 2P plug) battery pack charging.
Indication: When the USB is connected to the power supply, the indicator does not light up. When the battery is connected for charging, the indicator light is red. When the battery is fully charged, the red light goes out and charging stops automatically.

Tips:
1. The charger should be placed horizontally and well ventilated, away from flammable and explosive materials.
2. Do not cover the charger while charging.
3. Do not disassemble the charger.