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XTAR SN4 USB camera battery charger

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XTAR SN4 charger

Charge up to 4 batteries with 45w USB-C power

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The XTAR SN4 is a new battery charger which supports up to 4 batteries, charged from its 45W USB-C PD type power supply.

The charger is supplied with a range of power adapters for different battery types

Keith has had a look at this new product that makes it easy to charge batteries on the go.

Note: The SN4 is a new product. See more details on the XTAR web site.


I’ve used the small VN2 charger for a while [see my review], where its USB-C powered charge unit runs well from several USB power banks I’ve got.

The XN4 here is also USB-C powered, but can make use of the higher power PD style USB-C power supply. The power unit supplied is a 45W one and with the SN4 can charge up to four batteries. The PSU can also power/charge some cameras, such as my EOS RP  [see my look at RP USB charging].


See Keith’s short video about the SN4:

USB Charger

The SN4 is a smart charger ‘header’ with a USB C socket which fits to a range of different battery holders for charging. The adapters are the same as with the VN2, although two can be attached, giving a total of four sockets. The ‘smart’ aspect of this refers to the way the charger has three different charging modes and switches between them based on individual battery condition and charging.

Batteries supported: LP-E6N, LP-E17, LP-E8, NP-FW50, NP-F550,F570,F750,F770,F970, NP-FZ100 EN-EL15

The whole lot comes in a soft case.


As you can see, quite a few adapters.

I’ve fitted the UK plug adapter to the back of the power supply.


The battery adapter fits on the side of the display/charge unit.


There is a cover at the opposite end to attach an optional second adapter.


Here’s the 45W PSU connected up, with two Canon batteries.


Plugged in, the display shows charging progress.

The table shows how total charging current available depends on the sort of USB-C power source that is available.


Note how charging 4 batteries will charge at a lower current, even with the more powerful PD45 charger included


Using the charger

The charger has a USB lead which should work from any modern USB port capable of supplying the maximum 2.1A at 5V. If you use the included PSU, the capacity is significantly greater.

That means if you need a battery charging quickly to get going again, use a higher power USB source, and only do one battery at a time.

The charger, with all those adapters is also something I’ll be taking with me when doing some of our bespoke photography training, when I know from experience that someone will bring a camera and forget the charger.


See more details on the XTAR web site.

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