Key features that made me choose this battery The discharge function is automatically restored when the ambient temperature is higher than 14☏. Utilizing an internal heating plate, the battery has a low-temperature heating function which automatically heats the battery to 50☏ and the battery will automatically stop discharging if the temperature is lower than -4☏. It has an operating temperature range of 32☏~122☏ for charging and -4☏~140☏ for discharging. It can handle a 200 amp load as well as 280 amp peaks, not that I would ever put that much load on it. It was roughly around $1000 and has a Battery Management System (BMS) built into it to protect it from over or undercharge. I chose the Jita 300Ah LiFePO4 deep cycle battery. Not only were there many new choices for lithium, but they now offer a 300Ah capacity battery in the same 9×20″ size. Now I am not saying that they aren’t great batteries, but the price was just too high for me to justify. It seems Battleborn was our only option years ago. I was happy to see so many choices on Amazon for LiFePO4 deep cycle batteries. While lithium is more expensive upfront, over the years it’s actually cheaper than replacing AGM batteries multiple times. Lifespan: AGM batteries only last 3-4 years before having to replace them while lithium is known to last upwards of 10 years. Lithium batteries also have a much higher amperage allowance for loads. Lithium batteries can be run all the way down using almost 100% of their capacity. Usable Power: It is recommended to not let your lead acid or AGM batteries drop below 50% capacity or state of charge because they can be damaged or shorten the lifespan. Pulling the 3 AGM batteries out of the van removed 270 lbs! The new lithium battery weighs only about 59 lbs. Weight: Lithium is much lighter than AGM batteries. (2) 6v 200Ah AGM Trojans & 1 200Ah Renogy AGM I was not about to dump any more money into AGM batteries so it all came out. This setup worked great until that Renogy battery died. We charged the batteries off of our alternator using a battery isolator. Being AGM, that means we had about 200Ah of usable battery power. We had one 200Ah Renogy battery inside the van and two 6V 200Ah under the hood totaling 400Ah. In this post, I’ll cover each step of the way in converting our Sprinter Campervan from AGM batteries to lithium. That’s mostly why I opted to go with AGM batteries at the time. When I built our van, it was about $1000 per 100Ah. Some more good news is the price of lithium iron phosphate batteries has dropped significantly over the last few years since more companies are making them now. Although spending some extra money and doing the conversion wasn’t something I was looking forward to doing, there are some huge benefits to making the switch. Lithium batteries have special charging requirements which now means each charger has to be upgraded. Switching to lithium isn’t as easy as just buying a lithium battery and dropping it in.
AGM BATTERIES UPGRADE
Time to upgrade our batteries in the Sprinter van! After only 3 years, our Renogy 200Ah battery started to drop voltage overnight and was dying a slow death.
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