Hlzcmwi Red/Black Step Down Converter With Over Discharge Protections Usb Chargers Adapter For 21V Lithiums Battery Power Systems Battery Adapters For Cordless Tool

HLZCMWI

Safe design: The red positive poles and black poles are clearly marked to avoid safe hazards caused by reverse connection, allowing you to use with peace of mind to carry: Compact design, lightweight and easy to carry, suitable for outdoor activities or travel, solving the problem of device charging Double USB ports: Convert the 21V lithiums battery into two 5V USB ports for charging of mobile phones and other devices simultaneously High compatibility: specially designed to adapt to 21V lithium batteries, ensuring stable power supply and meeting various charging needs Wear Resistant: metal and ABS, it has good durability and impacts resistance, improving its service life, Manufacturer: HLZCMWI