TrustFire TR020 18650 Battery Charger LCD Display Smart Charger Four Charging Port Type-C USB Port For Rechargeable Li-ion battery 18650/26650/18490/17670/17500/14500/Ni-MH/Ni-Cd AA AAA battery

Pros: versatile charger, can charge from mains, solar or a power bank. Very good charge termination and error detection.Cons: Extremely picky about charger compatability, incompatible with USB C PD power sources, relatively slow charge times.My experience with this product has been mixed, on one hand it is a versatile piece of kit enabling me to charge 18650 cells from a solar panel and when it works it works well and it detected a couple of faulty cells that my last charger just kept trying to charge indefinitely.The main problem is charger compatibility. It seems to be completely incompatible with USB C Power Delivery, refusing to even power on with any charger or power bank I tried. Using a Samsung charger with 9V 1.5A output resulted in completely unacceptable charge times that could be measured in days. The best performance i found was with an old tablet charger that outputs 5V 2.4A, that gave acceptable charge times of around 8 hours for a couple of 18650 cells.

Seemed to work well at first but after a while it only charged intermittently and ignored some batteries completely. Changing slots made no difference and the 'ignored' batteries worked in another charger.

Worked Well In The Beginning Then took FOREVER to charge some batteries, tried others they worked and then it started to do it again, Got fed up with it so returned for refund.Display comes on for about 10 seconds which is annoying as you have to press the V button to see the levels.

We bought this for our video doorbell battery’s to charge fantastic quick charge .

Product works well

this is supposed to be a fast charger, i purchased a QC3 usb C power adapter for this charger and it takes over 12 hours to charge 2 C type 3000mah NiMH batteries.it may charge other types quick but it's a waste of time for me, 24hrs to charge 4 c cells......

Can charge almost all possible batteries, all in one, trough super fast usb type C

Batteries charge quickly and efficiently. A very good battery charger. Batteries keep their charge for a good amount of time.