I have always been interested in solar and battery power and now I have finally had the opportunity to build a solar generator or solar power station completely from scratch in a completely DIY style. I will show you the components I chose, explain why I chose them and then show you exactly how I built this portable solar cart step by step. I'm surprised how capable this is, especially compared to prebuilt power station (like EcoFlow). This set up is capable of 3000KW continuous output and can store over 5kWh of energy in the battery. I went with EG4 components for the simple reason of great specs for a great price. The battery I chose is EG4 LifePower4 Lithium Battery | 48V 100AH | Server Rack Battery which is UL certified and the inverter is EG4 3kW Off-Grid Inverter | 3000EHV-48 | 3000W Output | 5000W PV Input | 500 VOC Input. Both work in tandem and establish communication making it an easy set up. These are also stackable and capable of MUCH bigger loads and storage limits. In fact, I plan on adding another inverter that will double my output as well as input and power my BMW i3 (EV) as well as half of my house!

Total Cost:
Inverter: $700
Battery: $1200
Hand Cart: $30 https://www.harborfreight.com/150-lb-... LifePower4
PowerStrip: $20
Connectors and Crimper Tool Kit: $30 https://amzn.to/3yOg2qZ
Some Spare Wire and the rest: ~$20
Total: $2000 (tax included)

Comparison to EcoFlow Ready To Go Solutions:
EcoFlow DELTA Pro Portable Power Station: $2600+tax
https://amzn.to/3Xa8Lfk (affiliate link)
-ONLY 3.6kWh of Storage (compared to 5.1kWh)
-3600W Output (compared to 3000W)
-ONLY 1600w Solar Input!! (compared to 5000W)

Next cheapest option seems to be the Delta 2 Max, which is on sale for $1200+tax right now:
EcoFlow DELTA 2 Max Portable Power Station: $1200+tax
https://amzn.to/45hdMEQ (affiliate link)
-ONLY 2kWh (compared to 5.1kWh)
-Only 2400W Output (compared to 3000kWh)
-ONLY 800W charging (compared to 5000W)

Above, but with extra battery:
ECOFLOW Portable Power Station DELTA Max 2000 with Extra Battery: $2200 +tax
https://amzn.to/3Vts3Lp (affiliate link)
-ONLY 4kWh (compared to 5.1kWh)
-Only 2400W Output (compared to 3000kWh)
-ONLY 800W charging (compared to 5000W)

It would be more comparable if you get a second battery to go with this set up, but that’s an extra $1000 and you would still have 20% less storage!

Don’t get me wrong, these are awesome and a very elegant all in one set up, but when it comes to value for money, it’s not even close!

Wire calculator: https://solarwiresizecalculator.com/

*— MUST HAVE CAR ITEMS — *
My Favorite BMW Scanners: https://amzn.to/4b6GQBa
My Favorite Car Scanners: https://amzn.to/3tR2VTT
My Favorite CarPlay Units: https://amzn.to/3Uc8lTZ
BMW Focused Mechanic's Tools: https://amzn.to/3krC4J1
Portable Tire Inflator: https://amzn.to/3V5F63v (my favorite), https://amzn.to/3AokFp4 (cheap, but good)
Portable Jump Starter: https://amzn.to/3L3YNUX
Favorite Dash Cam: https://amzn.to/41EdqWe (under $150)
Car Phone Mount: https://amzn.to/44bW1oM (MagSafe Air Vent), https://amzn.to/3PvG9ck (+Wireless Charger)
“BMW” Battery Charger: https://amzn.to/3HahLIi
GEAR I USE FOR FILMING: https://amzn.to/3Ex3RyI
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