Specialized Charger: Specific designed for 3.7V li-ion cylindrical rechargeable batteries like 18650 16340 26650 and more, NOT suitable for 1.2V NiMh / NiCd or 3.2V LiFeO4
USB Charging: Common micro-USB input makes it possible to be powered up by any USB 5V output, like wall chargers, power banks, car chargers etc
Quick Charge: Charger input 5V / 1A, output 4.2V / 900mA x1 or 500mA x2, takes only 7 hours to fully recharge 2pcs 3000mAh batteries simultaneously, and each charging slot works independently, you can charge 1 or 2 batteries at a time
5 Layers Protection: Built-in 5 layers of protection IC: over-voltage, over-current, short-circuit, high-temperature and surge protection
Fully Charge Indicate: The LED indicators will turn green when corresponding batteries are fully recharged
Product Features: 1. With dual bay battery charger, two batteries can be charged at a time, which can save considerable time for you. 2. This product will be a good replacement for 3.7V li-ion 18650 16340 16650 17650 17670 18350 18490 18500 20700 21700 26650 Rechargeable Battery chargers. 3. Micro USB cable makes it convenient that connecting the battery charger with power bank, car charger or wall charger with adapter. 4. Several Circuit Protection: Over-charging protection, High-temperature protection, Short-circuit protection, and Surge protection.