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Old 03-16-2017, 07:58 AM   #1
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Winnebago Owners Club
Join Date: Jan 2014
Location: Texas
Posts: 29
Sprinter/ Navion Batteries

My 2015 Winnebago Navion 24V will be three years old this summer.

So far I have had no issues with either the coach batteries or the chassis battery. I have noticed that the fully charged battery reading are lower to about 12.8 volts for both sets of batteries.

Should I change the batteries at the three year period or continue on with the batteries.

I do check and fill the coach batteries before each trip. Mercedes told me the the chassis battery does not need servicing.

If I need new batteries what are the best batteries to purchase?

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Old 03-16-2017, 08:21 AM   #2
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Location: Las Cruces, NM
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Keep using them until they no longer hold a charge. Let how you use the coach determine the type of battery to put in. Regular deep cycle lead/acid batteries are fine for routine use. If you do a lot of boondocking, then deep cycle 6V batteries, or AGM deep cycle batteries.

Roger & Mary
2017 Winnebago Navion 24V
2014 Tiffin Phaeton 36GH (Sold)
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Old 03-16-2017, 10:25 AM   #3
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Has anyone thought about switching over to Lithium Ion batteries? https://battlebornbatteries.com/

Don & Evelyn - 2017 Winnebago View 24V
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Old 03-16-2017, 08:02 PM   #4
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Until they are the same price as AGM and don't require a special charger, no.
Roger & Mary
2017 Winnebago Navion 24V
2014 Tiffin Phaeton 36GH (Sold)
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Old 03-20-2017, 04:49 PM   #5
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There are also Carbon Foam AGM batteries.

Firefly Oasis Battery - Carbon Foam AGM
2013 Leisure Travel Vans Unity U24MB, 635 watts solar, 440 AH batteries, 2000 watt inverter, Koni struts and shocks, Hellwig rear anti-swaybar, SumoSprings front and back, 2012 Hyundai Accent SE, Blue Ox baseplates, Aladdin towbar and Patriot
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Old 03-24-2017, 08:54 PM   #6
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Location: Anchorage, Alaska
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Test the batteries with a Hydrometer, as long as they test good keep them.
Mine test good as long as you maintain them properly I expect at least 5 yrs. When I do change I will switch to Trojan 105 6volt, they will fit in the existing space and nearly double the usable capacity.

Here is a link to explain the process of testing.

Testing Battery State of Charge with a Hydrometer | All About Lead Acid Batteries

S Bradley
Navion IQ 24V
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