Product Introduction：[USB battery charger] Universal battery charger has 4 charging slots, supporting 4 channels of independent charging at the same time, not affected, red and green LED display, safe fireproof PC+ABS material battery charger, heat resistance, low temperature resistance, scratch resistance
[Universal USB interface] The latest design of the USB battery charger, the working voltage of the battery charger is 5V, so you don't have to worry about the high voltage to bring you damage and disaster. USB charging can help travelers recharge their lithium-ion batteries anytime, anywhere, especially if you don't have enough outlets, and you can even simply plug it into your laptop or other device.
[Intelligent control] Advanced control function, over-heat and over-current protection, short-circuit protection, non-rechargeable and defective battery detection
[Protect Battery Life] Trickle electric current charge would protect the batteries against current fluctuation and keep using the charger safely, can expand battery life and charge battery full more than 99%