The Nitecore UM20 is an advanced USB management and charging system capable of charging two Li-ion batteries from a USB power source, while simultaneously charging an external device.

Compatible with the following Li-ion / IMR cells –

• 18650
• 18490
• 18350
• 17670
• 17500
• 16340
• 14500
• 10440

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.
Other features include: Intelligent CC/CV charging, reverse polarity protection and cable winder.

If your looking to charge just 1 battery at one time try the Nitecore UM10 click here.

If you would like to visit the Official Nitecore website then click here.