ABC Upfitters provides PREMIUM upfitting services to RV customers who are looking for the ultimate off-grid experience. By using Mastervolt components, ABC can provide an UNMATCHED level of integration and quality.
What Do You Camp In?

WHAT OUR CUSTOMERS ARE SAYING
We would highly recommend ABC Upfitters. We own a Thor Tranquility 19L and wanted to add more battery (from 400ah to 800ah) and made a trip to Elkhart while we were visiting family in Michigan. Their team accommodated our tight time frame very well and the cost was in line with our expectations. Communication throughout was responsive and professional. Pre and post work walk throughs explained some of the problems we were having and how they would be resolved, as well as the inner workings of our electrical system. Now we have ample battery for our off-grid mountain bike trips.
– Cassandra M.
I rarely get impressed with customer service nowadays, but you guys are the bar that others should measure themselves against. I appreciate you and hopefully, one day, I can return the kindness you have shown.
– Roy M.
A big thank you to ABC Upfitters. We traded in our 400ah battery and they installed two 460ah batteries. This will be very beneficial during the summer in Texas. We turned the AC on high, with lights and the fridge running, and we had over 10hrs of battery life!! They even cleaned up some lose connections and made a few other repairs for us as well. They are a great, “down to earth” team and very easy to work with. I highly recommend them if you’re looking to do a battery upgrade
– Justin B.
Connect with ABC Upfitters
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OFF GRID POWER
AS EASY AS ABC

Here at ABC Upfitters, quality and integrity are not just values, they’re the cornerstone of everything we do.
We do installations at our shop in Elkhart, Indiana, located just South of the RV Hall of Fame.
Click the button below to take a look inside of our shop
🚐🔧 Master Tech Mike in Action! 🔧🚐
Tight quarters? No problem for our guy Mike! 💪
Here he is deep in the belly of a Rockwood Geo Pro, doing what he does best—precision work in small spaces to bring big power upgrades. Whether it’s a cozy camper or a luxury fifth wheel, ABC Upfitters brings off-grid excellence with Mastervolt systems that fit any adventure.
Stay tuned for the final result—we’re turning this Geo Pro into a power-packed rig! ⚡🔥
#ABCUpfitters #MasterTechMike #GeoProUpgrade #OffGridPower #Mastervolt #RVMods #SmallSpaceBigPower #boondockbeast … See MoreSee Less
4 CommentsComment on Facebook
Mike is amazing! I will continue to send some 5ers your way so he has more room. 🙂
Confined space.
Mike is number 1 for sure
We’re sharing expert tips on off-grid power, rig upgrades, and everything you need for adventure-ready travel. And if you love coffee as much as we do, you’ll want to check out our latest post:
☕ The Best Way to Make Coffee While Camping Off-Grid
abcupfitters.com/the-best-way-to-make-coffee-while-camping/
Because a great cup of coffee should never be a struggle—no matter where the road takes you.
Check it out, and let us know your favorite off-grid coffee setup!
#ABCUpfitters #OffGridPower #RVUpgrades #Mastervolt #AdventureReady #OffGridCoffee #boondockbeast … See MoreSee Less
3 CommentsComment on Facebook
I'm surprised I wasn't consulted on this 😆
We have been using AeroPress and heating our water on a propane stove since well before our lithium days! We see no reason to change our ways now!
Nespresso…
We have another round of severe weather on hand today, so we're taking the time to remind you to be prepared and stay weather aware!
Spring storms are rolling in, so let’s refresh an important safety tip: **Tornado Watch vs. Tornado Warning**
🌮 **Tornado Watch** = We have all the ingredients for tacos. 🌮
Conditions are favorable for a tornado to form. Stay alert and be ready!
🚨 **Tornado Warning** = Tacos are ready, and someone is already eating them! 🚨
A tornado has been spotted or detected—take cover immediately!
So, while you're enjoying your Taco Tuesday (or any day, really), make sure your emergency alerts are on and you have a storm plan in place. Stay safe out there! #TornadoWatchVsWarning #StayWeatherAware #TacosAndTornadoes #themoreyouknow … See MoreSee Less
4 CommentsComment on Facebook
I am a certified storm spotter and this is a great way to explain the difference! 😃. Be safe, everybody!
Whoever runs your social media should be fired.
We're here on our way to see you in Kentucky and keeping an eye on the skies. But, we have no tacos.