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I recently bought a couple of types of silicone-insulated wire, in 8 and 12 AWG. I hadn't planned to write about them, but I liked the wire so much that I decided to put together a short review after all.

Thanks to one of my regular readers, I got my hands on a WZ5005 voltage converter. I wouldn't say it has anything particularly special going for it, but it could be an alternative to the popular DPS models from RuiDeng. More on that in the review.

Some time ago, news emerged of a new FNB48 USB tester from Fnirsi, a young but fast-growing company. I thought this model looked interesting, so I decided to order one for a review. I was also curious to compare it with other testers, such as the rather expensive ZY1276 from YZXstudio.

One of the readers sent me a link to a deal that I think is quite interesting price-wise.

I’m often asked about various battery packs, and the questions are about both battery protection and balancing. I needed a battery pack, a protection board, and a balancer for a UPS conversion project. The battery is still on its way, and there’s no point testing the protection board without it, so today I’ll tell you about the balancer.

2020 is coming to an end, and at readers’ request I’ve decided to bring together all my battery reviews from this year in one article. They’ll be heavily condensed, of course—the goal isn’t to show everything, but to provide a kind of “digest.” I published a similar article last year, but back then almost all the batteries were name-brand ones from Nkon, whereas most of these are from AliExpress. Warning: VERY large amount of data ahead!!

Some time ago, I announced a new product from Atorch, the DL24 electronic load. But calling this device new is a bit of a stretch; it would be more accurate to call it a budget version, without a heatsink included and with a maximum power limit of 1000 W.

This post isn't an ad or a promotion; it simply covers new products that have gone on sale. Today I'll tell you about some interesting desk clocks that were released not long ago.

A little roundup of products from AliExpress. I’d say it was for “Black Friday,” but I’m pretty skeptical about all these sales, so it’s just a roundup.

I’ve already reviewed a 128GB external SSD from Orico, but when I was offered the chance to test a new version, this time with 500GB, I thought, why not? The previous one works fine, and as they say, “you can never have too much storage.”

I got hold of a list of the most popular items in the 11.11 sale. It's a long list, so I'll mention the ones that I personally think might be of interest. If you have questions about other items, let me know.

Some time ago, I posted information about a new model of adjustable converter that I had stumbled across completely by chance. But literally that same day, a company representative contacted me on Skype and offered to write a review of the model. I received it not long ago, tested it, and am ready to tell you more about it.

AliExpress is gearing up for a big sale, and I decided to share links to various products I came across. Mostly not because they’re cheaper—we all know how “sales” work—but simply to show you some interesting things.

Sometimes you need batteries with a built-in protection circuit, and the selection of models is considerably smaller. It gets even more limited when you’re looking for models with protection rated for high current. Today I’m reviewing three models, but testing revealed that sometimes things can be so good that they turn out to be “bad.” Still, you can find out all about it in the review.

Last time I covered 26350-size batteries. Today, I'm looking at cells in another uncommon size, 10370. They differ not only in size, but also because they're LiFePO4 batteries.

I never cease to be amazed by the variety of battery sizes, and that's partly why today I'm reviewing some examples of the rather uncommon 26350 size.

As you may know, the RD6006, 6012, and 6018 power supplies support WiFi connectivity when the corresponding module is installed. However, the settings menu and software also include an RS485 option, indicating that this communication interface can be used as well. Not long ago, RD RIDEN added RS485 modules specifically for these power supply models to its store.

Just under four months ago, I published a review of RuiDeng's new RD6012 converter. Now I have the next model in this lineup in my hands: the RD6018, with an output voltage of up to 60 V and a current of up to 18 A. This review will be relatively short, but I'll still try to make it as informative as possible.