
Lasted 18 months. Now most of the LEDs don't light up. Looks like the internal circuit board has failed. Considering the price, not the outrageous loss, but considering the replacement cost (for a different product next time), this is not the kind of savings or sustainability one would expect from modern, efficient, long-lasting LED technology. Whatever one concludes about the durability of a product based on my individual case, there is also a design flaw. The USB power cord connector is a loose fit on the end that connects to the lamp (non-USB). I had to constantly push it in, twist it, and try to find a position where the cable would make good contact. My next choice would be a tethered light with no battery as I've never used it like this before. Two stars (instead of one) because it was cheap to start with.

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