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<blockquote data-quote="WTM" data-source="post: 5689800" data-attributes="member: 6230"><p>doesnt matter which battery you use it has to do with the higher DC voltage. a fully charged LFP will put the full 42V or so on the motor itself and the FETs in the PWM for a very long time. they cant handle it. what eventually happens is the excess voltage heats up magnets so much that they lose magnetism. in response, the amperage increases to stabalize the rpm's and continues until either the breaker trips or something breaks.</p><p></p><p>a 112 is 52A at full draw so if you run it 8A over for a period of time youre just shortening the lifespan of your equipment.</p><p></p><p>this is why minn kota put out the warning on the last gen motors. the new brushless motors has more resilience to overvolting.</p></blockquote><p></p>
[QUOTE="WTM, post: 5689800, member: 6230"] doesnt matter which battery you use it has to do with the higher DC voltage. a fully charged LFP will put the full 42V or so on the motor itself and the FETs in the PWM for a very long time. they cant handle it. what eventually happens is the excess voltage heats up magnets so much that they lose magnetism. in response, the amperage increases to stabalize the rpm's and continues until either the breaker trips or something breaks. a 112 is 52A at full draw so if you run it 8A over for a period of time youre just shortening the lifespan of your equipment. this is why minn kota put out the warning on the last gen motors. the new brushless motors has more resilience to overvolting. [/QUOTE]
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