Smartoools 1000mAh Micro-USB AA NI-MH Rechargeable Batteries (4-Pack) with 2 in 1 Charging Cable & Free E-book

I just received these . I got them as a gift for my brother. They look really good. So I'm thinking of getting so for my nephew. As well as my self.

I use these for my XBox One controller and they work fine, but they discharge rapidly at end of charge. You may not get a low battery notification from an XBox before they die, which can be unfortunate during multiplayer games.

Not sure if I just got a bad batch but I purchased these to go into my many Xbox controllers and the batteries die within a couple of hours use. They also get really hot when charging. Not the best purchase but will give them extra star since the concept is a great idea!

Based on other reviews, I believed these batteries came pre-charged. I used one in a fairy light and by the end of the day, the battery was dead so I assumed they must have come only partially charged. I therefore decided to charge the other batteries to make sure they were fully charged before using. Unfortunately, the batteries will not charge using the supplied USB charger. One battery briefly turned red and then the light went out. None of the other batteries even showed a light to indicate they were charging.An unusual side effect of using the USB cable to charge the batteries in my computer is that it kept freezing my mouse and I could not work.I am returning these and trying a different brand.

These batteries solved a major issue for me: the need to charge the battery in my wireless mouse while on the go without carrying around a huge battery charger. That being said, I've noticed an issue that does impact some devices... These batteries are just a millimeter or two shorter in length than a normal AA battery. Most devices use springs for the contacts, so that's not a problem, but more engineered devices (my Microsoft Wedge Touch Mouse, for example) have more precise tolerances and won't power up with these batteries installed.

I use these batteries for my Apple Magic Mouse and keyboard. Pretty cool!

These charge quickly. But they drain a little faster tha. I would have liked.Sometimes one cell says charged and the other says charging for over an hour. How is that possible. I uae them in pairs. I like the y micro usb cable to charge two at the time.Great concept but maybe take away the micro usb connection to give the cell more life and insert them in a charging pod that connects via micro usb. Just an idea.

The batteries wouldn't hold a charge very long and the end of the plug would pull off and stick in the battery.