271 Ah upgrade

mbloof wrote:

Freep wrote:
I'm sitting in the camper now on our shakedown voyage with the new 271 Ah LifePo4 battery I built from 4 3.2 cells I bought from China. This is working out so well that I'm seriously considering building another 271 Ah pack and getting rid of the generator.

When we get home this week we're going to pack for a month of geographic distancing and if I don't need to use the generator once during that trip, it is slated for removal.

I went from 2 100Ah Lifeline AGMs to one 271Ah LifePo battery. So ended up with about 2.5 times the energy storage with about 1/3 to 1/4 of the weight and less than half the space.

This actually works out very well. While I had already purchased a 100AH Battleborn and I'm currently using that the breakdown on the 'DIY' costs are really good.

The BMS (with Bluetooth) on Amazon is $115.
4ea of the 3.2v 271AH batteries (paid with PP and delivered to Oregon) $800.

So for a whole whooping $915 (plus some connection wire and connectors) is less expensive than a Battleborn.

In a month when everything arrives I'll build and install it. So I'll have a extra LiFePo4 battery. :)


- Mark0.