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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.

Those who read my battery reviews have probably noticed that almost none of my tests go by without a "conditioning" cycle, which I run using a relatively simple charger. I reviewed it more than 5 years ago, and it served me faithfully all that time. But I think it's time to replace it with something more convenient and powerful, so today I'll be talking about the Vapcell S4 plus charger.

I’ve been a bit under the weather, which is why there haven’t been any new reviews. But I did find time to browse AliExpress, and today I’d like to share some interesting and potentially useful products—or, more precisely, links to them.

Yesterday I was browsing AliExpress and came across an interesting take on an electronic load. I read a little about it and decided to share it with you in case it comes in handy.

For some reason, I rarely review boost converters, and I don't think I've ever reviewed one with this much power. But people often ask me about converters like this, so I bought this one specifically for a review.

A weekly roundup of things I came across on AliExpress this week that might be useful to other readers too.

The new RD6018 adjustable converter is now available from the official RuiDeng store

Not long ago, one of my readers got in touch and offered to let me test some batteries I hadn't handled before. But in this case, we're not talking about a different chemistry—that part is familiar enough—but about the form factor and capacity. As usual, though, it's best to read the review for all the details.

Not long ago, I published a review of a step-down converter module rated for up to 20 A. As I mentioned then, though, it was already the second one I’d ordered from AliExpress. Today I’m reviewing the one I received about a year ago instead, with my first order.

Another weekly roundup of useful and interesting products from AliExpress.

A micro-, or perhaps even nano-review of little gadgets for radio amateurs, designed simply to make your DIY devices look a bit neater.

Another Friday (or maybe Saturday) roundup of interesting products I came across on AliExpress.

No, friends, this isn't actually a coupon or a sale. I was just browsing AliExpress and happened to stumble across a model of adjustable converter I hadn't seen before.

In today's installment of my VapCell battery review, there won't be a variety of form factors: the whole review is devoted to one size, probably the most popular one, 18650. Even so, I think it'll still be useful.

I needed a powerful step-down voltage converter for one of my projects, so I decided to give it a quick test before putting it to use. A quick look, some tests, and my conclusions.

Today I'm writing about how a friend of mine ordered batteries for Makita on AliExpress, and how it all turned out.