12V EEL LiFePO4 Battery DIY Kits with Built-in 200A BMS, for Solar Power and Off-Grid Applications – EEL BATTERY
Build a battery box wrong, and it becomes a hydrogen bomb! - RV Daily
How To: DIY Waterproof Battery Box - The Plastic Hull
made a diy Cooler dual battery box with all left over parts. solar and plug charge for weboost, desel heater, fridge, USB c, and small inverter : r/overlanding