Nitecore (Sysmax Industrial F1 Flex Bank Outdoor Power Camping and Hiking Equipment, Black Intelligent USB charging management system Up to 1000mA fast charging through micro-sub input port Input: DC 5V, =500mA Output voltage: 4.2V1% (slot)/5V5% (USB), 1000mA MAX (slot)/1000mA (USB) Compatible with: Li-ion /IMR: 26650/18650/17670/18490/18350/17500/17335/16340(RCR123)/14500/10440