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Do I need a trickle charger for my engine battery when I have shoreline power?

Dear Dave, We are full-time RVers. I'm wondering if I need to use a trickle charger on my 12v starter batteries to maintain them. If...

#1 tip on how to maximize the life of RV batteries

By Cheri Sicard No matter if you are a new or experienced RVer, you probably have encountered times when it just seemed like your RV...

How much lithium battery power does an RV need?

By Cheri Sicard Picking the right lithium battery bank can feel harder than the install itself. For many RV owners, the goal is simple: Have...

RV dealership repair misdiagnosis. Who can you trust?

Dear Dave, I am looking to sell my motorhome and purchase a travel trailer. There are a few repairs to the motorhome that I felt...

Why do new RV batteries show yellow bars at 12.4 volts with everything off?

Dear Dave,  I recently bought two Interstate Group 27 deep cycle RV batteries and had the RV shop install them. I picked up the motorhome...

How can I test my RV’s ’emergency start switch’?

By Dave Solberg Dear Dave, How can I test the emergency start switch and then troubleshoot/trace an issue? I used it once several years ago and...

LiFePO4 batteries: Avoiding the 3 most common failures

By Cheri Sicard LiFePO4 (lithium iron phosphate) batteries have a reputation for being hard to kill, and that’s mostly true. Still, a few common habits...

Do deep cycle batteries have to be trickle charged individually?

Dear Dave, I'm looking to put a battery maintainer on my two RV house batteries. Do I have to charge them separately or can I...

Battle Born Battery failures leave RVer facing huge warranty issues

Six pricey Battle Born lithium iron phosphate batteries were supposed to power Mark Guido's fifth wheel trailer. Instead, they ended up on his truck...

Is a battery tender necessary when RV is not being used?

Dear Dave, Should I put battery tenders on my RV batteries when i am not using it? —Roger, 2024 Thor motorhome Dear Roger, Battery care during storage depends...

My RV battery terminals are corroded. Should I use grease to protect them?

Dear Dave, I am confused. My lead acid battery terminals have corrosion. So, I had read that I should clean and put dielectric grease on...

Can different type and age RV batteries be mixed? Can I add a lithium battery?

Dear Dave,  Did you answer a question recently about mixing batteries of different sizes, chemistry and age? I believe it was you but I can’t...