JESSY 4 Pack CR123A Rechargeable Batteries 3.7V 750mAH RCR123A Lithium ion Camera Batteries Charger Compatible Arlo Cameras, Led Flashlight, Security System

It can charge up to 4 batteries at time.has flashing led for each battery to show level of charge.full charge in under a hour.would reccommend.and it comes with 4 rechargeable batterries..

Two of my four batteries don’t hold a charge, but the charger works as intended. Other than the two bad batteries, product works great.

Great charger. Works fast and charges 4 batteries at a time.

Great product