- Input Voltage: Micro USB DC 5v
- Output Voltage: 4.2v + 1%/5v
- Output current: 100mA/500mA
- Dimensions 3.94Ã¢ÂÂÃ¢ÂÂ x 2.20Ã¢ÂÂÃ¢ÂÂ x 1.38Ã¢ÂÂÃ¢ÂÂ
- Weight: 2.72oz (without batteries or cord)
A high definition LCD displays real time charging status, accurate to 1%.
When used with a high power adapter the UM20 will charge the inserted batteries plus an external device (such as a mobile phone) simultaneously. If a low power adapter is being used the UM20 has a priority switch that allows the user to select which to charge first, then automatically charging the second option when the first is complete.
Data can be transferred from a computer to the external USB device, even while charging is taking place.ÃÂ Other features include: Intelligent CC/CV charging, reverse polarity protection and cable winder.