We go through AA batteries faster than you can blink around here and I'm just sick of it. I use them for my digital camera, wireless mouse, kids toys, atomic clocks, and various other important things. And to find myself without batteries, or worse, without any spare bucks to get new ones FAST, is a desperate thing. Those little buggers can rack up the dollar signs. So I decided to invest in a battery recharger and haven't looked back.
I keep spare batteries in my charger at all times and when the charge runs out in my camera or a toy I immediately have a new batch to put in and begin charging the dead ones. No trip to the store, no digging through my purse for a few bucks, and no battery-operated toy or appliance sitting unused around my house. And my rechargeable batteries have lasted me for multiple years.
The initial expense of the charger and re-chargeable batteries pays for itself in just a few months. You can check my left sidebar under "I Recommend" for a great set-up. It's the Cadillac of rechargers and comes with AA and AAA batteries and can even be used for larger sizes as well.
It's literally saved me $100's of dollars
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****Here's the link to the charger that I recommend.