123A Rechargeable Batteries for Arlo, 4-Pack 800mAH ICR17335 NiMH Batteries for Arlo VMC3030 VMK3200 VMS3130 3230C 3430 3530 Wireless Security Cameras, Flashlight and More

I have been using these for years. They are slow charging, however their charged life has been great. These have saved us a good amount of money and we appreciate the value.

Great batteries work great for me even after months of use and daily recharging.

I'm just now using the batteries and will update my review based on the performance. My battery charger was detecting these as Li-ion not NiMH so I began investigating. It’s highly unlikely that these batteries are NiMH and here’s why: - Voltage Mismatch: NiMH batteries have a nominal voltage of 1.2V per cell, far below the 3.7V specification of these CR123A batteries. Even multiple NiMH cells inside the casing would struggle to achieve the stated 3.7V. I don't want to cut open the casing to find out myself. - Energy Density: NiMH batteries typically have lower energy density compared to lithium-ion batteries, which means these would not be able to deliver the capacity (800mAh) and energy rating (2.59Wh) in the compact CR123A form factor. - Typical Usage: CR123A batteries are often used in high-drain devices like cameras, flashlights, and security systems, where lithium-ion chemistry is preferred due to its high energy density, stable voltage, and ability to handle high-drain applications. NiMH batteries are more common in applications like AA/AAA rechargeable batteries. Based on these points, it’s almost certain these CR123A batteries are not NiMH and are instead lithium-ion.

I use these batteries on my Rayovac flashlight as a security guard overnight. I rely on the rechargeable ones to get me through a shift at work. These have worked very well.

Great product for the cost! Good replacement for my RF monitor.