Specialized Charger: Specifically designed for 3.7V li-ion cylindrical rechargeable batteries like 18650, 16340, 26650 and more
Quick Charge: Charger input 220VAC, 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, allowing you to charge 1 or 2 batteries at a time 

Input: AC 100- 240V 47/63Hz
Output: 5VDC 1200mA