USB 18650 Battery Power Bank Charger External Case Pack Box Blue/Green/Yellow
This is a DIY box, not a power bank(18650 battery is not included). You can use 1800mAh 2200mAh 2600mAh 2800mAh 3400mAh 18650 batteries. Garden & Patio. Power bank has a standard USB output and a micro USB input.