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Is this normal?

flashlight and battery

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#1 Agustin



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Posted 03 November 2016 - 06:50 AM

I bought one Manchest 3400mAh 18650 battery on Amazon for my Nitecore TM03. And I found that there were still 80% power remained even as used for two days. And I tried to disassemble it and saw there was a protected circuit board at the bottom of the battery. Is the protected circuit board making the power losing so slowly?




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