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Old 10-30-2019, 06:48 AM   #1
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400ah of LiFePo4 on the way!

I finally pulled the trigger and ordered a factory built steel-cased LiFePo battery with 400ah capacity and bms. I plan to install the battery under the bed and upgrade the inverter from the original Xantrex, also under the bed.

What I'm not sure about yet is how to connect to the existing system? I'm leaning towards rerouting my solar wires and repositioning mppt charge controller from the outside battery compartment to under the bed. I will need to figure out how to find the original charger/converter to redirect (or add wires) to the new battery. Does anyone here have experience with the Alante or Precept motorhomes and can tell me where to look and what it looks like? Other option is to install the 40A charger the battery manufacturer is including, but how difficult or unwise is it too run two charges to two different sets of batteries? That would allow me to keep two of the 12v oem batteries as backups?
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Old 10-30-2019, 11:47 AM   #2
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Sorry, I don't have any answers for your questions but would you mind posting a link to the battery you bought?
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Old 10-30-2019, 03:59 PM   #3
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https://www.amazon.com/Lifepo4-batte...2472720&sr=8-2
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Old 10-30-2019, 04:10 PM   #4
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Cool! Should be an interesting experiment! And it only weighs in at 83 pounds! So, no worry about theft.

As one who has been a buyer of early technology in the early 1980s ($2400.00 portable VCR and $20.00 VHS tapes) I hope this technology gets a bit cheaper as time goes on.

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Old 10-30-2019, 04:15 PM   #5
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Yeah, I think prices are starting to edge down with the non-premium manufacturers. I will go to my local dealer where I bought my Allante and ask them about where all of the electrical components can be found since they should have all schematics already.
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Old 11-03-2019, 04:20 PM   #6
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Battery arrived Friday and I have it hooked up to a charger and inverter inside my house. After it is fully charged I will treat the capacity to see if it comes close to the 400ah rating.
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Old 11-03-2019, 04:43 PM   #7
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If it doesn’t work out for you let me know and I will dispose of it for you ,,NO CHARGE..
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Old 11-03-2019, 04:55 PM   #8
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Quote:
Originally Posted by Florida Ranger View Post
If it doesn’t work out for you let me know and I will dispose of it for you ,,NO CHARGE..
.
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Old 11-07-2019, 10:05 PM   #9
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Battery and charger arrived a day early! Unfortunately the charger had an issue - the fan does not turn on and a high pitched shrill is emitted after being on for a few minutes. Seller is sending a replacement charger that should arrive Monday.

Preliminary testing of the battery looks good - t will put out enough power to run a 1400 watt heater and not affect the battery voltage reading - but I need to fully charge it with the included charger to completely test the battery capacity.
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