Universal Lithium Ion Li-on Rechargeable and Nickel Metal Hydride NiMH Battery Charger - Dual Slot

I needed a dual-slot charger for my 14500 rechargeable Li-Ion batteries (2 protected, 2 unprotected). It charges my unprotected batteries just fine, but not my protected batteries. Not sure why it wouldn't, possibly because of the battery's protection circuit, but either way, it doesn't charge them and that's an inconvenience because I'll have to buy a separate charger (or a different one altogether).It charges my unprotected 14500's, not sure how fast though. An indicator light tells you when it's done, and if one slot is done charging.The build quality is really low, so I can only assume the inner workings are also of poor quality. It makes a buzzing sound when it's charging, which has me kind-of concerned. After a full charge cycle, it didn't overheat or smell like burnt solder, so it does work even though it makes noises.The springs are really firm and the spring-loaded adjustable negative leads feel loose and wobbly. The combination of firm springs with a wobbly lead makes it kind-of awkward to insert the batteries. Instead of being able to push the lead back with the battery, I had to pull it back with my fingers.Overall, for the price, you can't expect much. It works, it's cheap, but I get the feeling I'll be buying a much nicer battery charger, especially since these batteries will be on the charger once or twice a day.

worked ok , decided to upgrade from this shortly after, needed to have a dependable charger to make premium batteries last as long as possible, had 2 cheapies swell while in this charger dk if was batteries or charger so scrapped em both

Never had any problem, but the funny thing is that it charge only in pair,so if you have only a dead battery is not really charing it…odd

The charge indicator seems a bit non linear -- still for the price works ok and I just match my cell by using a DVM.

It would have been cheaper to just buy disposable batteries. After about 5 (partial) charges a transistor on the board burned out and I don't have any replacements. When it did work, it performed poorly and couldn't fully charge batteries anyway.I now get better results charging my batteries off of a modified computer PSU, a simple circuit I put together on a breadboard, and using the shell of the charger as a battery holder.

I use it everyday. It is not a fast charger.

Its Small, Charges both lithium and nimh. nice to keep in a drawer to keep around. Can save you lots of money on batteries

It is useful at the time of saving on the cost of batteries for electronic equipment, I am pleased with the product.