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USB current and voltage meter


Your tablet or mobile phone is really loading as it should? The source, the cable or even the device may be the problem. You can discover the defect using a USB current and voltage meter like this one below, that's pretty cheap ...

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Stack 10440 Li-ion 3.7 V


The mishandling of Li-ion battery 3.7 V 10440 can burn a toy or remote control! As they have the same appearance and size of a AAA battery (stick as know in Brasil), some unsuspecting can try to use them and not realize that the ...

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