What Battery???
Submitted: Tuesday, Apr 21, 2009 at 17:08
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richo85
Hi all,
I'm buying a minn kota electric trolling motor for the boat. I'm wondering what type and what size battery will i need to use the motor for say, 4-5hrs a day???
Reply By: Geoff (Newcastle, NSW) - Tuesday, Apr 21, 2009 at 18:09
Tuesday, Apr 21, 2009 at 18:09
Hi richo,
A couple of questions before offering an answer,
As above, how many watts is the motor and/or how many amps does it draw at full load?
Is that 4-5 hours you mention 4-5 hours of fishing or 4-5 hours of continuously running the trolling motor?
We'd really need to know how many hours per day the motor will be running and how much power it draws whilst running to guesstimate the size of battery you'd need.
Geoff
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Follow Up By: richo85 - Tuesday, Apr 21, 2009 at 19:11
Tuesday, Apr 21, 2009 at 19:11
Its a 12v 50A(max) motor. However i'td be unlikely that i'd be running it at full speed. Just need an idea at how long i'd get continous out of say a 90 or 100ah AGM battery
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Follow Up By: richo85 - Tuesday, Apr 21, 2009 at 19:11
Tuesday, Apr 21, 2009 at 19:11
Its a 12v 50A(max) motor. However i'td be unlikely that i'd be running it at full speed. Just need an idea at how long i'd get continous out of say a 90 or 100ah AGM battery
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Follow Up By: Geoff (Newcastle, NSW) - Tuesday, Apr 21, 2009 at 19:18
Tuesday, Apr 21, 2009 at 19:18
Hi richo,
At 25 Amps the motor should run for 2 hours on a 100 Amp Hour battery before the battery would be considered flat.
Note: The above assumes the battery is charged to 100% at the start of your fishing day and there are no lights, sounders etc connected to the battery. It also assumes the battery is in as new condition and capable of delivering its full capacity.
Hpe I've been of some help,
Geoff
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