Frequent question: How many ah do I need for my trolling motor?

Most trolling motor batteries fail due to lack of proper charging. We suggest selecting a 12 volt deep cycle marine battery with at least a 110 amp hour rating, usually a group 27 size battery. The higher the amp hour rating, the more run time you will receive.

How long will a 100Ah battery run a trolling motor?

How long will a 100Ah battery run a trolling motor? A 100Ah lead acid deep-cycle battery will run a 30lbs thrust trolling motor on Speed 4 for 4 hours.

How long will a 100Ah lithium battery last on trolling motor?

Amperage Hour Rating

So if a motor was running at low speed and pulling 4 amps, the battery should last around 25 hours. (100 amp hour rating / 4 amps = 25 hours). Similarly, if the motor was running at top speed and pulling 40 amps, the battery would last for 2.5 hours (100 amp hour rating / 40 amps = 2.5 hours).

What size battery do I need for a 55 lb thrust trolling motor?

For a 55 lb thrust in a trolling motor, you will at least need the battery size of 240Ah rating. Depending on the speed, you will be using approximately 20-40 amps.

How long will a trolling motor run on a 12V battery?

Almost 5 hours doesn’t seem too bad, but that is really a max runtime in ideal conditions. Reality is likely to be less. If the battery is old, damaged or not fully charged then you will not get the rated amp hours from it, reducing your runtime. Significant cold or hot weather will also reduce your runtime.

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How long will a 100Ah deep-cycle battery last?

A 100Ah 12 volt deep-cycle lead-acid battery can run a 100W continuous DC load for 6 hours if discharged to 50% as recommended. A 100Ah 12 volt lead-acid deep-cycle battery could run a 100W rated AC food-mixer for 7 hours with 50% Depth of Discharge.

How long will a 200Ah battery run an appliance that requires 200w?

Logic tells us that it should be 10 hours, by dividing 200 amp-hours by 20 amps. This is not the case. You can see from the specification for a 200Ah AGM lead-acid battery below that if 18 amps is drawn from the battery, it’s capacity is only 180Ah.