This lamp worked on the small amount of charge that came with it in the box. But after that, it would not charge. I plugged it in and charged it all night and then turned it in and it would work for 3-4 minutes and then shut off. Did this multiple time over several days. Would not take a charge. I returned it.
This wireless lamp was a saving grace in preparation for a blackout. It's light weight and I can move it to wherever I want. If my desk lamp messes up. I can always count on this one to back me up.