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  • Overall Rating: 4
  • Price: 5
  • Quality: 2
  • Ease Of Use: 2
  • Usefulness: 5
Handy for traveling – Portable Universal USB Battery Charger w/ Keychain for Cell Phone / Digital Camera - Green Reviews

posted by severinandersen on 04/24/2013 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

Pros:
It's a very small and cheap charger, perfect for travels and for all those old Li-Ion cells in the back of the drawer missing the original charger. Charges from USB power, standard PC port is enough (500mA). Automatic polarity detection.
Cons:
Only charges cells to around 4.15V. Charger pins seems a bit fragile. Some cells are hard to get connected correctly, specially if the terminals is placed on the edge of the cell. Works best with a USB extension cable.
Other:
It charges with up to 500mA at Vbat=3V, and gradually drops down to 100mA at Vbat=4.15V before stopping.
Bottomline:
A nice handy charger, but be careful when connecting it to the cells.

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