2X(Normal sion Maximum : 5V-2.1A< /> Charge sion Maximum : 5V-3A 9V-2A 12V-1.5A< />Note:Charging depends on your device, for example: 9V-2A, if your device suppor 9V-2A, then it will auatically jump to 9V-2A, if not, it will not jump< />With anti-rese connion protion< />Note:Only 18650 flat-head batteries can be used, and the voltage is in line with 3.2V-4.2V. You need to use and batteries. Old batteries and damaged batteries will cause fai to work, incorr connion of positive and negative poles, and the first time you need to use the battery full< />< />Colour:black< />Material:plastic< />Size:186 x 80 x 44mm< />< />Package Conten:< />1 x 18650 Bank Case( charge sion,not including the battery))