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Old 02-12-2023, 03:12 PM   #1
Mini-Skoolie
 
Join Date: Feb 2023
Location: Florida
Posts: 13
Year: 2002
Coachwork: Bluebird
Chassis: DT444
Engine: 7.3
Best Batteries

What is the BEST lithium batteries for my new skoolie, I'm in Florida and will have split AC unit.

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Old 02-12-2023, 07:10 PM   #2
Bus Crazy
 
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Year: 1974
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Well, that's a can of worms. There are lots of factors...cost, format (rack?), weather conditions, BMS preferences, etc.

For cheap options, the Chins are pretty impressive.

For US support, I like the Dakota Lithium and Battle Born and SOK and Big Battery
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Old 02-13-2023, 08:47 AM   #3
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Join Date: Jul 2021
Location: Southern Oregon
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Year: 1996
Coachwork: AmTran (Now Navistar)
Engine: DT444E (7.3L) International
Rated Cap: 31,800 pounds
We are sold on the EG4 LL batteries sold by signature solar. Since our system is going to be called on to run two A/C units and store the power from 2900 watts of solar we have two 24 volt units that will be put in series for the 48 volts that our inverter (also signature solar) requires.
The EG4 LL's are 5.12 kWh batteries with built in BMS, communicate with a PC for setting parameters and monitoring, and have built in on/off switches or circuit breakers (for on/off). They're a bit expensive at $1500 but they are only 101 pounds and roughly 20x20x6.1" each. The $1500 version has a 5 year warranty. The $1750 version (with LCD screen on the battery) has a 10 year warranty and is spec'd for 7000 cycles (19.5 years) to have 80% remaining capacity.
We think they're the best bang for the buck unless your system needs are much smaller.
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Old 02-13-2023, 10:30 AM   #4
Bus Crazy
 
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Quote:
Originally Posted by Fishfry View Post
What is the BEST lithium batteries for my new skoolie, I'm in Florida and will have split AC unit.
Lots of questions. Do you have a power budget yet? That is, how many amps of storage you will need?
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