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GEN 3 (2021+) Ford F-150 Raptor Forums
Ford Raptor Audio/Video/Electronics Forum [GEN 3]
Battery issue, Charging issue or BMS issue?
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<blockquote data-quote="jm77" data-source="post: 2004448" data-attributes="member: 53278"><p>I was getting constant deep sleep mode due to low battery charge level. Battery would get down to 11.8v regularly even after charging. Took it to local dealer and they tested the battery and found it to be ok. Problem is they tested voltage right after driving it. Most will tell you a battery will show a false state of charge and needs time to settle after charging to get a true reading. Had them retest it in front of me after it sat for a couple hours and it showed much lower voltage than the original test. Talked them into replacing the battery under warranty and it has solved all the low voltage issues. </p><p></p><p>My take on it is that the original batteries in a lot of these trucks were probably significantly drained when many sat for weeks/months at the factory. In my experience with these trucks and all their electronics, the battery will quickly drain while sitting for extended periods of time. Get a battery too low and it will never fully charge back up.</p></blockquote><p></p>
[QUOTE="jm77, post: 2004448, member: 53278"] I was getting constant deep sleep mode due to low battery charge level. Battery would get down to 11.8v regularly even after charging. Took it to local dealer and they tested the battery and found it to be ok. Problem is they tested voltage right after driving it. Most will tell you a battery will show a false state of charge and needs time to settle after charging to get a true reading. Had them retest it in front of me after it sat for a couple hours and it showed much lower voltage than the original test. Talked them into replacing the battery under warranty and it has solved all the low voltage issues. My take on it is that the original batteries in a lot of these trucks were probably significantly drained when many sat for weeks/months at the factory. In my experience with these trucks and all their electronics, the battery will quickly drain while sitting for extended periods of time. Get a battery too low and it will never fully charge back up. [/QUOTE]
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GEN 3 (2021+) Ford F-150 Raptor Forums
Ford Raptor Audio/Video/Electronics Forum [GEN 3]
Battery issue, Charging issue or BMS issue?
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