Xtar VC4 Charger: Review & Test

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An in depth look at the popular multi format charger from Xtar the VC4. This charger is USB powered and have an informative display showing the charging voltage of the cells, and mAh charge a cell has taken (which can if it's discharged give an indication of battery capacity)

How does the Xtar perform and what are the advantages/disadvantages of this particular charger?

Details from the maker:
XTAR VC4 is the combination of our principle to keep making progress and taking the responsibility for the safety and environment protection. The VC4 can recognize/ display/ charge Ni-MH and Li-ion batteries at the same time and it also displays the charging current, battery voltage and charging capacity. The LCD backlight can be off or automatically into low light mode in 2min to save more energy.

Specification:
Input Power: DC 5.0V 2.1A
0.5A CC Current: 500±50m A
1.0A CC Current: 1000±80m A
Cut-off Voltage:4.20±0.05V
Operation Temperature:0-40℃

Ni-MH batteries charging parameter:
Input Power:DC 5.0V 2.1A
0.5A Pulse Charging Current: 500±50 mA
1.0A Pulse Charging Current: 1000±80 mA
Cut-off Voltage: 1.45±0.1V
Operation Temperature: 0-40℃
Size 149x115x35mm
Weight 210g

Package included:
1x VC4 Charger
1x USB Cable
1x Storage Pouch
1x Manual