Panasonic’s Eneloop BQ-CC55, our favorite charger for AA and AAA rechargeable batteries, is sleek, compact, easy to use, and plugs directly into a wall outlet.

Best budget rechargeable battery: Ladda AA, 4-Pack With Charger. ... For example, a good-quality alkaline battery — say the Energizer Max AA Alkaline — costs $9 for a 12-pack on Amazon ...

The Ostation X is a AA battery charger, but it might be the smartest and most convenient charger ever created. ... You reach for a fresh alkaline battery because who has time to wait?

Most alkaline AA and AAA batteries contain steel, zinc, manganese, and potassium; ... Eneloop AA/AAA Charger. $30. Amazon (AA x 4) $15. ... like an alkaline battery does when it’s running low, ...

A 100-pack of Amazon Basics AA batteries goes for around $27, which breaks down to just 27 cents per battery. For comparison, a pack of four AA USB rechargeable batteries from Pale Blue costs ...

The IKEA charger does 4 x AA, which is not too bad, but can only handle 2 x AAA at the same time, which is not great. With this one, I could charge 8 AAAs at once, so that's pretty good ...

This automatic AA battery charger is wonderfully over-engineered. Over on Hackaday, Max.K has shared their design for a charger that can automatically load and eject rechargeable AAs.

The fixed plug of the Ladda, for example, means the charger remains 2 inches deep, taking up more space when you put it away in a drawer. Best budget rechargeable battery: Ladda AA, 4-Pack With ...