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Thread: Batteries
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Old 01-26-2019, 01:56 PM   #5
Kh4auburn
Junior Member
 
Brand: Thor Motor Coach
State: Alabama
Posts: 7
THOR #14121
Quote:
Originally Posted by Long & Winding road View Post
Let them charge over night then the next day take them off charge - wait 30 minutes and check the voltage with your multi meter (at the battery).

Full charge (but normally quoted at like 75 deg temps - will be lower if its cold outside) is usually between 12.7 and 12.8 on most batteries, 12.4 - 12.6 is 75 %, 12.2 - 12.3 is 50% and 11.8 or less is dead. (I gave you wide ranges to cover LA, AGM, Gel).

When I tested my 9 mo old OEM battieries they would drop immediately to 9.7 - 9.8 = super dead ever commming back to life.

So if your batteries are at like 75% or above, check a few hours later and see if they continue to drop and then the next day as well. If they stat at like 75% + charge I will milk them for longer but keep your eye on them and shop around for replacements (IMO). IF they are at 50% just replace them right away.
Thank you. I found the owners manual for the LCI Motorized Standard Leveling System I have online. To reset you hold all 4 directional buttons down for about 10 seconds. I did that this morning and the jacks worked and the low voltage indicator no longer flashes.
I have to take it back to the dealer this week to fix a few minor issues. I have a ton of questions written down and will also get them to test the batteries.
Can't tell you how much I appreciate the replies!

Ken
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