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best way to charge batteries without getting noise
thank u ! 
best way to charge batteries without getting noise
hey my home vac is 240 and im charging 120vac generator batteries 7.5ah ( BA4200) nexus power portable station so i need step down voltage 240vac to 120vac is 289MG1000 good for filtering noise ac and charge the batteries ? its step down isolation... 
best way to charge batteries without getting noise
hey i dont think u understand me my ac outlet have very bad wiring and i live in very old house so i was wondering what safe way to charge batteries i need step down voltage to 240-120V so i was thinking on step down isolation transformer modelĀ  ...