How to make 12 volt battery charger / ups transformer Sinhala | Battery Charge
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How to Make a 6v & 12v Powerful Battery Charger |12V 200A DC from 220v - UPS Transformer
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How To make 12v Battery charger/12v power supply for 150Ah Battery charger
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The Technique of Making a New Battery from an old Battery - with Secrets Full video Sinhala
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UPS Transformer wire pin out /How to check ups transformer
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UPSC transformer 12 v 10A
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ජනපති අනුර හදිස්සියේම CID එකට පනී. CID ලොක්කන්ට අනතුරු අගවයි. #nppsrilanka #anurakumaradissanayake
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6v -7v UPS ට්රාන්ස්ෆෝමරය 12v -13v කිරීම සහ 230v සැපයුම් අග්ර හදුනාගැනීම .
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