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Topic: Battery Top up Charging - What Power

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Grayhair

09/2/2024 at 4:16pm
Location: Aberdeenshire AB421G
Outfit: Coachman2BHighlande

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A friend is storing our 2011 Coachman Highlander 450/2 van, and he's hooked it up to power to trickle charge the battery.
My question is how much would the daily consumption of power be to trickle charge the battery?
He's a close friend but I wouldn't want to under-pay him for his kindness.

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2011+Coachman+Highlander+450%2F2%2C+towcar+2018+Renault+Kadjar+Signature+Nav+1%2E6dci+130bhp+4WD

marg6

09/2/2024 at 6:34pm
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as it would only be on a trickle charge then it only needs to have power going to it for maybe 2 hrs a week, try using a timer plug. £5 a month would be more than generous for what it is actually taking

navver

09/2/2024 at 7:40pm
Location: West country
Outfit: Mondeo

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If 110 Amphour and it loses 25% of charge in a month it would be:-

27.5 AH x 12 volts = 330 watts per charge. So say 3 charges for 1 kWHr which is 1 unit.

Grayhair

10/2/2024 at 9:33am
Location: Aberdeenshire AB421G
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Thanks at marg6 that was my gut feeling, but then I began to have doubts, hence the reason for the question.

Post last edited on 10/02/2024 09:38:55

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Grayhair

10/2/2024 at 9:38am
Location: Aberdeenshire AB421G
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Thanks navver for the calculation, so it would seem that the fiver suggested by marg6 is sufficient.

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