Alkaline Or Rechargeable Batteries

[1x 9 V] For the price of two brand name alkaline 9V batteries you can buy one rechargeable one. The math is clear. I also find it handy to use a fully charged 9V battery for an electronics project or a device that requires 9V. The electronics (but not attached servos) of an Arduino project can be powered with this type of battery. The Watson 9V charger charges two batteries simultaneously.

[4x AAA] I love Eneloop rechargeable batteries, because they seem to last forever and they never damage the devices in which I use them, even if they have gone dead, as often happens with spent alkaline batteries. They also hold a charge longer than even the most powerful alkaline batteries. I use them in every device that I own which is designed to use flashlight batteries, including flash guns, LED flood lights, flash lights, head lamps, image stabilized binoculars, mice, keyboards, portable telephones, and cameras.

[0.355 lb] Works great in my PX1R. Much brighter than alkaline batteries.

[8 x AA] the Eneloop Pro rechargeable batteries are the best there is.

The only way to go! Rechargeable. Why use batteries that need to be disposed of?

[Ni-Cd, Ni-MH] These are dead simple rechargeable batteries.

[0.185 lb] nice case for storing my rechargeable batteries.

[Matte black] These batteries last a very long time, but because they are all rechargeable now I would never have just one.

[0.17 lb] Ease of use. Rechargeable batteries come with the unit! Lightweight.

[4x AA] Love that there is rechargeable batteries for Coast products!