Whether you're traveling abroad or making a domestic jaunt, Sony's BCG-34HE4 charger and battery combo is everything you'll need to keep your high-demand digital electronics juiced up and ready for action. The compact, lightweight charger handles 4 AA and 4 AAA batteries simultaneously and just happens to come with 4 high-capacity (2300 mAh) rechargeable AA Ni-MH batteries.

The charger works with worldwide voltages: AC outlets ranging from 100 to 240 volts (50/60 Hz). For your safety and convenience, the charger offers alkaline battery detection (in case you accidentally load non-rechargeables) and automatic cut-off for excessive temperature and/or voltage.

Incorrect product description - can only charge two AA batteries at a time

I bought this charger for my rechargeable AAA batteries, as the description and technical specifications clearly state: ^M
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"charger handles 4 AA and 4 AAA batteries simultaneously"^M
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and^M
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"Charges four AA and AAA batteries at a time"^M
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Although this charger can charge four AA batteries at once, it can only charge TWO AAA batteries at the same time; the two center slots accept both AA and AAA but the outside slots accept only AA. And in case anyone thinks I may be a nimrod that doesn't know how to use the device, straight from the product manual itself:^M
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"A maximum of 2 AAA batteries can be charged in the center slots only."

Good Charger, Long Lasting Batteries

I use these batteries in my Canon S2 IS camera. I can get at least 300 shots + video footage on a single charge. Recharging takes 4-5 hours. The batteries that came with mine are indeed 2500mAh.^M
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This is going to save me a fortune in batteries over the life of my camera, and keep the landfills a little emptier too.^M
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I have no problem recommending these batteries to anyone willing to pay a few extra clams for a good set.

Beware! 2500mAH NiMH batteries NOT 2300

I bought this particular charger for two reasons:^M
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1. It's portable^M
2. It came with 2300mAH NiMH batteries^M
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I have an older camera (an Olympus D-460ZOOM) that uses older technology. All literature says that I should use 2300mAH NiMH batteries. When I opened the package, the batteries were 2500mAH NiMH batteries. I was worried that I couldn't use them. However, I called the Olympus help desk and they said that it was OK. Just wanted to let you know in case your equipment can't handle the 2500s. Otherwise, I love the product so far. I only gave it four stars because I haven't really had a chance to use it much yet. I let it charge overnight so the time wasn't an issue (like it seems to be for other reviewers). I also bought an extra set of batteries so I'm totally prepared...charge one while using the other. I'm going on vacation to New Mexico soon and I look forward to taking some great pics...