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I noticed over the weekend a strange thing with the coach battery and EMS.
if the coach was on AC or generator and I started the engine to pull in slides for storage in the driveway, every 20 seconds or so, the coach battery would dip down to ~ 8V and the low voltage alarm would go off. This lasted for about 5 seconds, then it rampped back up. The cycle repeated for 2 or 3 minutes.
If the engine is started with out AC power, no issues with low battery alarm.
Does anyone know does if the EMS or charge do some type of load testing or pulsing to determine the battery state?
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