Bakeey DIY Power Bank Case 4 x 18650 LCD Display Portable Power Bank Shell DIY Kit For iPhone XS 11Pro Huawei P40 Pro Ma

Features 1 When you place 4 18650 batteries not include inside this battery storage box the LCD display screen will show the working current voltage Plus the battery levels will be shown separately so that when the battery is reversed or the battery dies it will not show the level and then you will know immediately2 As for the output interfaces there are 2 USB output interfaces which have 1A interface and 2A interface to charge for 2 devices at the same time such as for iPhone for iPad such USB digital devices and most cellphones3 2 input interfaces consists of the interface for micro and the interface for lightning so that you could charge 18650 batteries at any time to ensure the long endurance4 Worried that it could only storage 4 batteries at the same time This battery charger doesn t come with the battery quantity You could feel free to storage 1 or 4 or so on batteries according to your need5 The built in overvoltage protection chip is safe and reliable when you are travelling or attending outdoor activities using this power bank6 Besides the power bank for rechargeable batteries this battery storage box could also be as the flashlight due to the built in LED light7 Once you mix the battery or the battery is reversed the IC will immediately provide the protection instead of burning the main board As long as a battery is properly assembled this power bank could do the job8 Notice Please don t charge non rechargeable batteries using this power bank And it