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Thread: What could this hurt?
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03-06-2021, 09:41 PM #31
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03-07-2021, 01:02 AM #32
Don’t think this is correct please explain. Buy before you do check out the Firefly Oasis carbon foam AGM. AGM are not all the same
https://oceanplanetenergy.com/advanc...asis-group-31/Donna and Dave
Annapolis, Maryland
2021 Grand Design Imagine 2500RL / Dodge Ram Longhorn 2500 6.4 Hemi
350 W Newapower Solar: 3000 Victron Inverter/ Charger: Firefly Oasis carbon foam AGM
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03-07-2021, 01:49 AM #33
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Some, not all, wet battery chargers just don't provide enough voltage to charge a LiFePO4 12v battery pack to the full capacity. For example, if a wet cell charger only charges at a max of 14.1v it will never be able to charge a LiFePO4 to fill capacity. Also, due to the voltage curve of LiFePO4, an incorrect charger may not charge at high enough voltage long enough to reach a full SOC. Depends on charger capabilities.
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03-07-2021, 02:11 AM #342021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
800AH BattleBorn Batteries No campgrounds 100% boondocking
2020 Silverado High Country 3500 dually crewcab Duramax Allison
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03-08-2021, 12:42 AM #35
Not the common knowledge I have heard!
@SailorDan not sure where you heard this, but every video on you tube, and all of the information I read on Battery University Say the opposite.
If you charge to full capacity, you get somewhere around 500 cycles. If you charge to 85%, you get around 2000 cycles!
Victorn, Baqttleborn and others suggest not charging above 14.1 as a "rule of thumb". That gives ~85% charge. They also recommend setting the floor at something higher than the 2.5V that is touted as the bottom. I am using 2.65V in my lab testing.
OP, as others hae said here, Read Read Read. Then read some more. Good luck.Mark and Amy Williams East Tennessee (Go VOLS), Retired and rollin'
GD 303RLS (2020), Ford F250 King Ranch (2018), Brussel Sprout (fur baby co-pilot), Champion Inverter Hybrid Generator,
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03-10-2021, 03:55 PM #36
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Well, I don't wish to argue with you, but I contacted the manufacturer directly and spoke with their chief engineer and the president of the company. They both assured me that this was in fact a drop in unit and will work just fine with a stock converter charger unit. They warrant the battery life at 10 years under those conditions. So, I'm going with what they've approved.
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03-10-2021, 07:00 PM #37
No argument here. That battery WILL drop in and work with a stock convertor. Just like any lithium battery will. You only need to get a lithium convertor if you want to fully charge it. If that is not important to you. then that is fine, it will still be an upgrade over any LA battery.
2021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
800AH BattleBorn Batteries No campgrounds 100% boondocking
2020 Silverado High Country 3500 dually crewcab Duramax Allison
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03-10-2021, 10:13 PM #38
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As others in the know have mentioned, you do not want to fully charge a LifePo battery as it shortens the life. Charging to 85% extends the life of the battery significantly. Again, per the designers of this battery, best to keep a charge of 13.6v max on this battery. Only reason to go to a LI charger is to charge it faster. Even the on-board BMS limits it to a maximum charge of 13.6v. It will accept a charge voltage of up to 14.4v when needed, but will not allow the battery bank itself to charge beyond a maximum voltage of 13.6V. You can believe what you want. I have the credentials and have done my homework. We don't need to argue, but you are mistaken in the case of this battery. I know they are not all the same.
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03-11-2021, 02:12 AM #392021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
800AH BattleBorn Batteries No campgrounds 100% boondocking
2020 Silverado High Country 3500 dually crewcab Duramax Allison
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03-11-2021, 05:59 AM #40
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Last edited by Nogrey; 03-11-2021 at 07:47 AM.
best strategie on keeping unit...
Today, 03:44 AM in General Discussion