Posted by a reviewer on Amazon

Works as expected took both batteries on a ski trip for my yi 4k action cam only used half of one battery

Posted by a reviewer on Amazon

At first i thought i was using it improperly but after reading these reviews and rereading the instructions it just seems to be a dud

Posted by a reviewer on Amazon

I plug it in and the charge indicator comes on but when i put a battery in iteven the original from my camera

Posted by a reviewer on Amazon

Unfortunately i am past the return window but its too bad

Posted by a reviewer on Amazon

Although not rapid charger charge time did not take long at all

Posted by a reviewer on Amazon

When it is charging this charger shows progress not a red or green solid light that doesnt work half the time

Posted by a reviewer on Amazon

Get this and see in an illuminated panel tell you your charge status

Posted by a reviewer on Amazon

I had one battery that could not charge properly no problem as gregor customer service immediately responded to my i issue