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Charging USB Devices With AA Batteries

In this article, we will share with you some devices that use AA batteries to charge USB-powered small electronics. These devices provide a convenient way to stretch the time between wall outlet recharges.

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The Best Rechargeable D Size Batteries And Chargers

The best rechargeable D size batteries are Ni-MH (Nickel-Metal Hybride) cells that offer a high storage capacity of around 10,000 mAh or milliamp hours. Typically required in high-drain, high-current devices, D size batteries are expensive to replace so the higher the capacity the better. The new Ni-MH rechargeable batteries are able to retain a charge [...]

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Universal Battery Chargers Of 2010: A Review

We briefly reviewed battery chargers in a previous post “The Best Rechargeable Batteries of 2010“. But let’s take a look at the best “Universal Battery Chargers”. These are chargers that can handle AAA, AA, C, D sized cells, and well as 9V cells.

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Pendant-Style MP3 Players: The Most Portable Music Machines

Sony has released what it claims is the smallest pendant-style mp3 player: Sony AD-EMPZ. It weights less than half an ounce and has 256MB memory (8 hours of playback). It runs on a rechargeable battery and costs $184. The Aiwa Flush also has 256MB and can play for up to 11 hours, using AAA batteries. [...]

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“EcoPower” Faucet Recharges Itself

This EcoPower faucet by Toto is the type of faucet that uses a infrared sensor to turn on automatically. What makes this faucet unique is that it harnesses the electrical power generated by its own water flow. It has a miniature turbine generator to maintain its rechargeable battery. It can keep itself charged on as [...]

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SolarLED: Rechargeable Solar Lantern

This system features a flexible solar panel, a fluorescent lantern, and a rechargeable battery that lasts for 6 hours. Best Price: $39.95 (SurplusLED.COM)

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