Update On Lithium Iron Batteries - Page 2 - Dutchmen Owners
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Old 05-13-2019, 03:34 AM   #21
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small panels are good, more panels are better

Larry makes some good points. Li batteries for bikes and cars are not the same as Li batteries for an RV. All modern Li batteries for RVs have built in protection circuits, so you can't undercharge or overcharge them. You could even drop a crow bar across the terminals and they will simply shut themselves off.

The real beauty of Li batteries is that you don't need to even think about them. They manage themselves. It's up to you to manage your power usage to match your panels and batteries.
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Old 05-13-2019, 12:15 PM   #22
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the Li batteries need a BMS or battery management system. The BMS is in the newer battery chargers for the most part. The Li that fits an auto is the same as the one that fits anything else except for a normal motorcycle that is.
There isn't any difference between the two. I can imagine when an RV dealer says this or that battery only fits an RV. That battery doesn't know where its going to live nor does it care. More hype to live by....
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Old 05-13-2019, 01:28 PM   #23
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Some brands have a built in BMS, all a person needs is to supply 14.6v of power to maintain it.
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Old 05-13-2019, 01:42 PM   #24
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Some brands have a built in BMS, all a person needs is to supply 14.6v of power to maintain it.

Yep, laptop battery packs for sure. Many things have onboard BMS these days that we use. Batteries have come a long way since the FLA battery.
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Old 05-13-2019, 04:53 PM   #25
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Some brands have a built in BMS, all a person needs is to supply 14.6v of power to maintain it.
In doing research on LIs, I believe that at least the BattleBorn brand is touting a built in BMS as an important component of their batteries.
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Old 05-13-2019, 06:03 PM   #26
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In doing research on LIs, I believe that at least the BattleBorn brand is touting a built in BMS as an important component of their batteries.

Yes, that is the brand I was referring to, just couldn't recall the name at the time.
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Old 05-13-2019, 06:13 PM   #27
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car batteries are different

The Li batteries designed for an RV are not the same nor suitable for use in a car. Most of the RV Li batteries limit the current output to 100A continuous and 200A for 30s. That is not enough to start a car.
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Old 05-13-2019, 07:04 PM   #28
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The Li batteries designed for an RV are not the same nor suitable for use in a car. Most of the RV Li batteries limit the current output to 100A continuous and 200A for 30s. That is not enough to start a car.

Correct. My point is the 100ah battery is not made only and specifically for RV application. A deep cycle battery is just that, I can use it in a golf cart, RV or boat or wherever.
It will perform across various platforms when properly maintained. A dealer may want one to believe they are designed as an RV specific application so he can jack the 'RV' price.
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Old 05-23-2019, 12:05 PM   #29
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All drop-in Lithium batteries will have a BMS built in. I have 6 LifeBlue 100AH drop in replacements and love them. We boondock most of the time and never worry about electricity. Of course I also have enough solar 1585 watts and a built in Onan 5.5 kw gen set to maintain them. If you want the best battery for the money and plan on keeping your rig a long time LifeBlue is the way to go. You can compare the top 4 Lithium manufacturers but only one has a built-in Bluetooth monitoring, LifeBlue. Click image for larger version

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Old 05-23-2019, 03:16 PM   #30
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Nice, we don’t boon dock so I don’t need that much storage.
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Old 05-23-2019, 07:37 PM   #31
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I like the idea of the smart technology that the LifeBlue batteries possess. But I like the fact even more that the BattleBorn are made in the USA (Reno, NV), as opposed to the LB being made in China. That alone is enough to sway me towards the BB.
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Old 05-23-2019, 11:31 PM   #32
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LifeBlue Li batteries

I've been using the Battle Born for several years, and really like them. The LifeBlue batteries have great specs and look like a great battery. But I also like the fact that the Battle Born are built completely in the USA. I'm gonna message the owner of Battle Born and ask him to add Bluetooth to the BMS. What a great idea!
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