This is a black Ultra slim power bank that can be used as a power supply to most any electronic device. It comes with a USB to Micro USB cable.
This can be used with any of our Locks that have a micro USB port on the front area of the lock. All of our fingerprint locks can use this for emergency power if the batteries die.
5,000 mAh, Input: 5V=2A (max), Output: 5V=2.1A (max)