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Power supply for beginners with voltage and current regulation
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How to Make Lithium Ion Battery | Lithium ion battery manufacturing with Sony Murata Japanese 21700
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Multi-meter Basics made Simple
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Make a portable power supply 11 -70 volts with li-ion batteries,bms and step up boost converter!
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18650 Lithium 3.7V battery charger leaking 100V! safety issue, not detecting charged status.
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