The Best Rechargeable AA Batteries For Flash


In A Nutshell When recharging a camera flash, you need a battery capable of delivering a high amount of current in a short time. Ideally, you want the batteries with the highest rated capacity. The highest capacity rechargeable AA batteries are: Ansmann’s 2850 mAh batteries and Powerex’s 2700 mAh batteries. Of these two batteries, Powerex’s 2700 mAh gets the most positive reviews from photographers. It …

The Best Ni-MH Battery Chargers


In A Nutshell The best Ni-MH (Nickel-Metal Hydride) battery charger is a “smart charger” like the LaCrosse BC-700 Charger (sells for $36).  Smart chargers have circuitry to prevent overcharging and damaging your batteries. They also provide features that allow you to test and “renew” Ni-MH batteries. If you are looking for a charger that also charges C, D and 9V batteries, we …

The Longest Lasting Rechargeable AA Batteries

Sanyo XX "Powered By Eneloop"

Update: This article is out-of-date, please see my 2015 review. Sanyo’s Eneloop batteries have had an edge over other rechargeable AAs since they were released in 2005. Basically, Eneloops could retain their charge longer than other rechargeables, including other low self-discharge AAs. Eneloops can hold 85% of their charge for one year, and 75% after three years.

Charging USB Devices With AA Batteries

Charging USB Devices With AA Batteries

In this article, we will share with you some devices that use AA batteries to charge USB-powered small electronics. These devices provide a convenient way to stretch the time between wall outlet recharges.