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The Best Rechargeable AA Batteries

The best pre-charged rechargeable AA batteries of 2016 are Panasonic’s Eneloop Pro AA Batteries. They are made with Nickel-Metal Hydride (NiMH) chemistry and have low standard discharge, meaning they can hold a charge for years.

The Best Portable Bluetooth Speakers

There are hundreds of bluetooth speakers now on the market. We’ve focused on selecting speakers that stand out for their durability and sound quality.

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The Highest Capacity Rechargeable AA Batteries

For powering high-drain electronics such as digital cameras, the most efficient batteries to use are high-capacity Nickel Metal Hydride (NiMH) cells. Higher capacity batteries store more charge and they can power your devices longer. 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 received …

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Do Rechargeable Lithium-Ion AA Batteries Exist?

Do rechargeable lithium-ion batteries exist in standard sizes like AA, AAA, C or D? Yes, they are finally available. A company called Kentli has released AA and AAA rechargeable lithium polymer batteries that output 1.5 volts. Kentli batteries are available on Amazon here. Update October 2018: I also found Tenavolt batteries which are cheaper than the Kentli, however I have …

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The Best Waterproof Tablets Of 2018

The most ruggedized tablet for Android is the Samsung Galaxy Tab Active 8.0. It is waterproof, dustproof, survives drops, and comes with a one-year warranty.

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A Review Of NiZn Batteries

NiZn (Nickel-Zinc) batteries are a type of rechargeable AA battery that operates with a nominal voltage 1.6 volts, which is very close to the 1.5 volts of alkaline batteries. This makes NiZn battery perform well in high-drain devices like handheld games.