From bigclivedotcom.

I was expecting this dual lithium cell charger to be as bad as some of the units sold on eBay, where one rudimentary charge circuit is connected to two cell holders in parallel (a terrible idea). But it’s actually not too bad.

It’s not a fast charger for bigger cells, and the charge current is hobbled a bit by the resistance of the USB cable if two cells are charged. But otherwise it seems very usable. You could change the cable for something more suitable if you wanted.

If anything, the lower charge current makes it better suited to smaller cells.

Note that this charger is only for classic lithium cells that charge to 4.2V

As with most of the stuff I’ve been taking apart these days, this item came from AliExpress (not a sponsor):-
https://www.aliexpress.com/item/1005006597735536.html

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