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About a year and a half ago, I reviewed the interesting, very high-quality ANR26650M1-B batteries from Lithium Werks. Now I’ve got the same batteries, but sold on AliExpress. Let’s inspect and test them, compare them with the previous ones, and hopefully this will be useful. I think I’ve also figured out how to read the production date on these batteries.

I picked up a USB hub and a Bluetooth adapter in a recent sale and thought I’d share my impressions in case they’re useful to someone :)

At first, as before, I wanted to write two reviews, one for each type of battery. But then I thought: the batteries have similar specs, so why not combine the two reviews into one? So today, it’s a “two-in-one” review, plus a comparison.

I've had all kinds of batteries: standard ones, protected ones, ones with a converter, and even one with a built-in charger. But this is the first time I've come across a battery this unusual. Inspection, tests, and conclusions.

Another set of 18650 batteries. They don't really stand out among the dozens I've tested, except for their slightly higher rated capacity and lower current rating than the well-known VTC6, HG2, and 30Q, which I'll compare them with at the end of the review.

Another pair of 21700 batteries, but this time in the high-capacity class, which I also have something to compare them with. Besides, in my opinion, batteries like these are currently one of the fastest-developing segments, since they offer high capacity, decent current, and a wide range of applications.

Another set of high-current 21700 batteries, with a capacity of 4000mAh. This is already my fourth review of batteries with similar specs, so I have plenty to compare them with—and I’ll do that at the end of the review.

Another set of little-known batteries with a high maximum continuous discharge current, this time in the 21700 size. Inspection, load test up to 40A, comparison, conclusions.

I decided to try some 18650 batteries rated for a maximum continuous current of 38A, just out of curiosity. As far as I know, these may be the highest-current batteries of this size, but it turned out to be a lot more interesting than that. Inspection, tests, intrigue, investigations, and conclusions.

I've already reviewed Vapcell 18350 batteries, but those were relatively high-current cells, while these are designed with capacity in mind, so the current is limited to 3 A. Inspection, tests, conclusions.

A review of batteries that are pretty unremarkable: 3 Ah capacity and a 20 A current rating. But people have already asked me about them, so I decided to compare them with their closest competitors, the HG2 and VTC6.

Another set of batteries in the 26650 size, which is gradually being phased out. Of course, this format will stick around for a while, since many devices still need it. Even so, the 21700 size, with comparable capacity and specs, has long been taking its place. Inspection, testing, and a comparison with the Vapcell G53.

You’re not imagining things: I reviewed these batteries almost two years ago. But back then they were from Nkon; today’s ones are from AliExpress. A look at the batteries, some tests, and of course a comparison with the previous ones.

Batteries in this size aren't particularly rare, but these caught my attention because they're rated for a continuous discharge current of 15 A. As usual: a look at the cells, tests, graphs, and conclusions.

I got my hands on another batch of batteries from Vapcell, and today I’ll be taking a look at batteries in the relatively uncommon 14650 form factor. As usual, the review covers the inspection, measurements, tests in different operating modes, and conclusions.

I think the vast majority of people reading this have used a computer mouse. Like any device, mice sometimes break, but sometimes you can give them a second life.

I ordered these batteries for a friend and borrowed a few for testing, so I decided to put together a short review in case it might be useful. These batteries come up in the comments quite often, after all.

About five years ago, I published a review of a thermal imager, and now it’s time to update it. I looked at various models, but in the end decided on the HT-A2 from Hti. I ordered one, received it, used it for a while, and decided to put together a short review.