Black & Decker CPI10B 10 Watt Power To Go Cordless Compact AC/USB Power Supply (Black)

PROS: Small, easy to carry. USB and AC outlets. No need for a separate inverter.

CONS: This device takes 11 hours to fully recharge! Some devices can cause the Power-to-Go device to get very hot. Pretty bulky when you consider it cannot even fully recharge a tiny MP3 player like the iPod Nano.

I thought that this device would be able to fully recharge my at least my iPod Nano. I plugged it in when my Nano was at 50% and the Power-to-Go lost all it's juice before the Nano was even at 100%! The Power-to-Go was able to give me an extra bar of battery life on my LG LX8000 phone, but that was about it. Also when I unplugged my cell phone charger from the Power-to-Go, the metals plugs of my charger were very hot. The manual recommends that the Power-to-Go not be left unattended and that it be monitored for rises in temperature. I guess this device would be helpful for dire emergencies, but don't expect your electronic devices to be fully charged. Despite the small charge the Power-to-Go gives out, the power supply itself needs 11 hours to fully recharge from a fully discharged state. I've never owned any small electronic device that needed such a long recharge time.

Looking that the three versions of this 10W, 20W, 100W, I found the technical details on the B+D site helpful:

This Model # CPI10B has a 700mAh battery, the 20W a 2Ah battery, and the 100W a 4Ah battery. It looks like they are progressively heavier, but I can't find accurate figures on weight or dimensions.

Input 7.2 VDC, 2.5A

Output 115V AC 60Hz, 8W continuous

Battery 700mAh, NiMH

USB 5V DC (350 mA)

* Approximate talk time based on average results using commonly used cell ohones. Results may vary depending on features/cell phone used

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Got one of these for Christmas, plugged it in to charge, and left it for about two weeks. Then I tried it with my cell phone chargerit would have none of that. Tried a very small table radio. Nope. Finally charged my iPod Nano... for about four minutes before falling over dead. Now it's heading to take up landfill space.

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This device stinks. It takes over a day to charge, and it can barely provide any power. Don't buy this.

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It does work, but carefully read the wattage of what you want to plug in. I didn't. Keep thinking: 10 watts, 10 watts, 10 watts.