welcome to infotonics. In this video tutorial we have changed a small lead acid battery from an LED torch, and replaced with lithium ion 3.7 volt rechargeable cell. We have also replaced the charging circuit with a lithium ion charging kit with facility of OTG connector, so that any mobile charger can be used to charge the torch. Old charging circuit for a small lead acid battery was a transformerless power supply. lithium ion charging kit is much better than transformer less power supply in eff
12:22
welcome to infotonics. In this video tutorial we have changed a small lead acid battery from an LED torch, and replaced with lithium ion 3.7 volt rechargeable cell. We have also replaced the charging circuit with a lithium ion charging kit with facility of OTG connector, so that any mobile charger can be used to charge the torch. Old charging circuit for a small lead acid battery was a transformerless power supply. lithium ion charging kit is much better than transformer less power supply in eff
185 viewsDec 4, 2022
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Mini Torch Light Inside Parts Explained🔦#experiment #ytshort
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Mini Torch Light Inside Parts Explained🔦#experiment #ytshort
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