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Old 06-29-2007, 05:16 PM   #3 (permalink)
Talking BlackBerry Encyclopedia
Join Date: Jan 2006
Model: 8830
Carrier: Verizon
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I have tried three similar devices. One was that disposable battery pack so frequently sold in airports over the past few years. Didn't work worth a squat, it drained my battery (both of the blocks). The second was a single AA powered device that didn't drain the battery, provided a bit of a boost. The Energizer two-battery version was the last I've tried and worked the best. I keep that one around w/ some NiMH batteries normally used in digital cameras. -Pk