Panasonic’s new Oxyride disposable batteries delivered more than twice the performance of high-end alkalines for the same price.

That’s welcome news given the proliferation of high-drain battery-powered devices these days, such as digital cameras, MP3 players, and portable game consoles. AA and AAA rechargeables are still the most cost-effective way to power many such devices, but lots of people use disposables anyway, perhaps because they forget to charge the batteries they own or because they never buy rechargeables in the first place.



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