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Voltage OK, current is low
I checked the voltage of the X3 adapter, iPAQ adapter, and Portable Power adapter, and they're all 5 volts. I recently noticed that my Kodak camera adapter is the same voltage and plug size.
The iPAQ adapter was 2.1 Amps, while the Portable Power was .7 AMps. Therefore, it charges more slowly.
The current affects how quickly your device charges, and the adapter's ability to run multiple items. The Dell cradle can charge two batteries, and has two things that light up. I'm using the low power adapter to charge the PSA by itself, so it should be fine.
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