Drew Callahan · May 18, 2026
I’ve pulled apart enough rigs to know where manufacturers play it cheap, which jobs look harder than they actually are, and which repairs will cripple your wallet if you let them slide. The Hymer Aktiv is a capable little van, but—and this is the mistake I see constantly—most owners run it with the factory 12V … Read more
Drew Callahan · May 18, 2026
Want to know why you’re waking up to a dead battery pack when you thought you had hours of charge left? Odds are solid it’s one of three things: your Beast Mode came from the factory with a charging system that was never properly configured for lithium chemistry, your solar controller is running on default … Read more
Drew Callahan · May 18, 2026
I was somewhere around mile 280 of a late-October push through the Oregon high desert when I realized my Strada’s lead-acid battery was genuinely done. Cloudy skies, temps dropping into the 40s at night, and I was rationing the fridge to 30-minute intervals because the battery couldn’t hold a charge past sunset. That’s when it … Read more
Drew Callahan · April 29, 2026
I was three weeks into a late-September push through New Mexico when the Thor’s batteries gave up the ghost around 4 p.m.—not dramatically, but that slow, creeping fade where your fridge compressor runs, your lights dim, and you realize you’re about eight hours away from a dead house bank. I’d been through the same cycle … Read more
Drew Callahan · April 29, 2026
Call a Winnebago dealer about powering a Solis off-grid for a week, and they’ll tell you the stock 60Ah AGM battery setup is plenty—you just need to manage your usage. Ask that same question in any RV forum, and you’ll get a dozen voices saying flat-out that those batteries are undersized and you’ll be in … Read more
Drew Callahan · April 29, 2026
Staring at a battery monitor that won’t stop flashing warnings? Wondering if you can actually trust what it’s telling you anymore, or if you’re one dead night away from being stuck in the dark with a fridge that won’t run? That’s the call I get, and it usually means the same thing: the original battery … Read more
Drew Callahan · April 28, 2026
Airstream doesn’t include a footnote in the owner’s manual about what happens when you inherit a used Interstate 19X with a shot lead-acid battery bank and a solar setup that’s been slowly starving itself for two years. You won’t find it in the dealer literature either. What you get instead is a rig that holds … Read more
Drew Callahan · April 28, 2026
It was a Tuesday morning somewhere outside Moab, and I was standing next to the Revel’s battery box when I heard it—that high-pitched whine from the converter, the kind of sound that makes your stomach drop because you know it means something’s pulling too hard and working way too hot. I cracked open the compartment … Read more
Drew Callahan · December 25, 2025
Chassis Battery Bank Service and Replacement for NEWMAR BAY STAR (Gas Class A) I was bent over the battery compartment with a multimeter when I heard it — that grinding, labored crank, like the starter was fighting through mud. The engine finally caught, but it was ragged, and the leveling jacks took twice as long … Read more
Drew Callahan · November 30, 2025
Lithium Battery Bank Service and Solar System Maintenance Most Winnebago Revel 44E owners assume their lithium battery setup works like a car battery—you charge it, you use it, and it keeps working until one day it doesn’t. That’s backwards. These systems aren’t simple storage; they’re networked electronics that talk to each other constantly, and when … Read more
