HOW BIG A CHARGER?

Canal Boat - - Back Cabin: Experts -

QI am look­ing to buy a three­stage bat­tery charger to charge my three 120Ah do­mes­tic deep cy­cle bat­ter­ies. Can you ad­vise the cor­rect size? I am think­ing 10% so around about a 40A charger. Is this a cor­rect as­sump­tion?

MOONFLEET1, from the CB web­site

ATONY REPLIES... If you are go­ing to run it 24/7 on a shore­line then a much smaller one (say 10 amps) may be ad­e­quate and kin­der to the bat­ter­ies. If you also want it to cover the de­mands of mains equip­ment you might need a larger one to en­sure the in­verter draws from the charger rather than from the bat­ter­ies.

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