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Battery Tests

Don't drop that call--use these power-up options instead.

By Amanda C. Kooser

Opinions expressed by Entrepreneur contributors are their own.

Relying on your cell phone to keep in touch with your businessand customers means having to ensure it functions no matter howlong you're on the road. There are several ways to keep yourphone juiced up even if you have long stretches between access to apower outlet.

Some entrepreneurs keep a spare battery or extended batteryaround, but that's not your only option. American Power Conversionoffers a USB Cell Phone Charger that lets you recharge your phonethrough any running computer with a USB port. That's aconvenient option for travelers with laptops and also eliminatesthe need to carry around a bulky recharger. Pricing starts at$15.

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