I have no connection with this seller.
You can do better building it yourself.
Yet a complete “plug in” NEW lithium pack with bms and chargers for $2000 might be a good option.
Note: Need 2 X $999.99
Li ion 48VDC 50AH 2KWH New Battery w bms Charger Club Car Cart EV Boat Golf Cart | eBay
If I knew what I know now, I’d pull the trigger. I have half that in mine and 3 months work.:eek: