1.Ni-MH/Ni-Cd Battery Input: 5V 1A (USB standard micro USB) Output: 450mA*2 1W 2.Li-ion Battery Input: 5V 1A Output: 600mA*2 2W Input: 5V 2A Output: 1000mA*2 4W 3. Compatible with Li-ion batteries 18650 18490 18350 17670 17500 16340(RCR123), 14500 Ni-MH/Ni-Cd A AA AAA batteries and 3.7V lithium battery etc 4. Dimensions: 5.0 inX2.6inx1.4in 5. Weight: 0.45Lb 6.Compliant Standards: UL, cUL, TUV, GS,PSE, FCC, CE, C-TICKCB, ROHS NOTICE:The charger has reverse connection protection. If the battery was put into the charger reverse, the screen of charger will splash. The batteries are not optional Packing Content: 1 X Smart Charger 1 X charging Cable 1 X User Manual