280 AMP Hour Battery Build

I build a 280 Amp hour battery for my RV using aluminum prismatic lithium ion battery LiFePO4 cells. The unit will be quick detachable for use outside of the RV.
Potentiometer: https://www.ebay.com/itm/B2K-Ohm-Linear-Potentiometer-Alpha-Brand-Includes-Dust-Seal-USA-SELLER/291487492293?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20160908105057%26meid%3Dab78a9d38bab4bdd8e80889e320168d9%26pid%3D100675%26rk%3D1%26rkt%3D15%26mehot%3Dnone%26sd%3D291487492293%26itm%3D291487492293%26pmt%3D0%26noa%3D1%26pg%3D2380057%26brand%3DAlpha&_trksid=p2380057.c100675.m4236&_trkparms=pageci%3A77da6c0f-89d3-11eb-8c43-8e345d908693%7Cparentrq%3A51f4a4531780a64e09dc34deffda999e%7Ciid%3A1
HP Power Supply: https://www.ebay.com/itm/HP-Invent-Model-DPS-800GB-A-Power-Supply-P-N-379123-001/384039784014?hash=item596a8e0e4e:g:0Q8AAOSw-DtgMSL-

Видео 280 AMP Hour Battery Build канала John Talbert