Till 2025-12-24 the li-polymer battery 8017120 1600mah finished 1440h low temperature test together with the portable lamp.
It shows very good performance. With the postive result, our client launched this portable lamp and sold to the north Europe.
"We have no concern to sell the lamp with your battery to our customer in north Europe even for semi outdoor application. And we are targeting to keep the sample in low temperature test till it is fail." our cumstomer said. Let's see what will happen in the next update.
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