![]() Given the better performance of lithium batteries, I think it’s worth it if you can afford the upfront cost. If you’re only looking to use your batteries for a weekend rig or want to save cash, it’s worth reading through this extensive post about AGM vs. pick a time span and compare batteries), lithium eventually ends up being cheaper.Īt 3,000 lifetime charge cycles for the Ohmmu batteries, that’s 10 years of use at 300 nights per year, or roughly 3-4x more cycles than you’ll get for AGM batteries. However, if you take the life-cycle cost into account (i.e. You can buy 300 Ah of AGM batteries for about half the cost of lithium. Yes, lithium batteries are more expensive upfront. Right after almost smashing myself dropping these, my neighbor said, “Hey, do you want to borrow my lift jack?” Sigh… Other considerations: Pro tip: removing 150 lbs of batteries from the bottom of your van is best not done alone. Overall, I think this setup makes more sense anyway. I solved this by moving our gray water tank underneath the van (and upping the volume by 6x) and putting the batteries behind the driver’s seat in the van. (Or build a heated box for the new batteries or buy fancy, mega-expensive batteries. Since my old AGM batteries were mounted underneath the van, I needed to relocate them inside. Lithium batteries can’t charge in below-freezing temperatures. Ok, fine, there are some downsides to lithium. (It seems like 3-4x faster than AGM is what most companies claim.) Many people online mention how quickly their system charges while driving or via solar power. ![]() Lithium batteries have a faster “absorption phase,” which means they charge faster.Especially for big battery banks, that’s a lot less weight. My ~13″x7″x9″ batteries are only 31 pounds each. Lithium batteries weigh about half what AGM batteries do.Compared to AGM or lead acid, which are almost useless below 50%, you get way more useable power even with the same amp-hour capacity. Lithium batteries maintain their voltage output down to 10% of their capacity.How I selected my lithium battery company.Post ContentsĬlick specific sections to jump directly there! Suffice it to say that anyone considering replacing their old AGM (absorbent glass-mat) or FLA (flooded lead acid) batteries will see an incredible improvement in their electrical systems. (In defense of our old Fullriver batteries, we did use them five years past their typical use date. I choose to sleep in a van versus a tent for comfort, dammit! I reserve sleeping on the ground for bikepacking. People, I’m talking about an EXTREME inconvenience. Which meant no quick morning coffee for Chelsea, which meant OMG FIX THIS IMMEDIATELY.Īlso, the tiny microwave I installed last summer could only heat up food while we were driving or our inverter threw an error. But the overall capacity and voltage output had decreased to borderline unusable for any high-current load like a countertop water boiler. The batteries had juice to power basic items in the van like laptops, roof fan, heater, fridge. They tried hard, but couldn’t get the job done. Prior to the upgrade, our old batteries from the initial build in 2013 wheezed like a smoker’s lungs. That single upgrade greatly improved our van travel experience. I can’t believe I waited so long to replace my camper van’s busted-ass AGM batteries with shiny, powerful lithium ones. Ohmmu lithium battery install with Renogy DC charger (and reused wires!)
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