* Yofraro Battery Charger for Arlo Rechargeable CR123A batteries:
Input: 5V/2.1A
Output: 4.2V 500mA*1 / 500mA*4
High Performance - Charge 4 batteries simultaneously, each of the four batteries monitors and charges independently.
Built in USB Cable - This lightweight and compact battery charger features a built-in USB charging input that stows away in a designated secure trough to save space and prevent damage. The charger can be charged by power bank, wall charger and other USB devices.
Automatic cut-off.
Over voltage protection.
Short circuit protection.
Over current protection.
Versatile Charging Option: USB and Type C or Micro input, charge wherever and whenever, not only at home or in the car.

* Fast Charging:
With charging current of 500mA, your batteries can be fully charged in about 2 hours. Very convenient for battery charging and replacement.

* Warnings:
Can not be recharged. Charging these Lithium CR123A could cause explosion or fire.
Mis-use of either the charger or the batteries could cause explosion or fire.
Charger may not be able to fully charge batteries that have not been in use for long period of time. Several charging and discharging cycles will improve battery performance before charging.
Do not charge one-time use Lithium CR123A batteries. These one-time use Lithium CR123A batteries (For example Panasonic or Duracell Lithium CR123A)

* What's in the box:
1 x CR123A Battery charger