Best Truck Camper AGM battery?
I have been using just cheap regular batteries for my RV needs and they have lasted me fine for the money..My truck camper only can take one battery in the compartment provided by Lance... I want t...
Forum Discussion
full_mosey wrote:
BB batteries have an internal battery management system(BMS) that shuts the battery off before actual zero is reached. This BMS also stops charging at a upper Volt limit. I believe this BMS will also not permit charging at a low temperature around 32F. The BMS prevents damage that would otherwise kill the Li. This is why you can charge them with a conventional charger.
Some people with 12V fridges have found that the Li based battery system will shut down and ruin their food, when the FLA or AGM would still have been running.
HTH;
John
Yep, BB seems to have the best BMS which is why I went with them. I feel the cold weather thing is a non issue, if people can keep their holding tanks from freezing then keeping a battery a little warm before charging shouldn't be an issue and they can continue to be discharged well below that.
I have only heard of bms disconnecting with fridges operated at 24V. Some utilize low voltage disconnects as well, I think the inrush of the fridge pulls the voltage down enough to trigger the disconnect. I have cooled my fridge from 100* and then maintained temp for more than 12 hours on a single charge, that was my drain to 0 test. The flooded 27s couldn't do that, granted they were a 3 years old. I haven't had any disconnect issues with my setup.
Nothing against AGM, I own 7 and they are superior to flooded in my opinion.
