Goal Zero
Goal Zero Yeti Pro 4000
Goal Zero's 6th-gen flagship, built like outdoor equipment rather than consumer electronics: aluminum housing, magnetic port covers that snap shut against dust and rain, and UL2743 certification for outdoor portable use - it's the overlanding crowd's pick for a reason. 3,994Wh with 3,600W output (7,200W surge), 3,000W of solar input, and expansion via Tank Pro batteries to roughly 20kWh. It pairs with Goal Zero's Haven 10 transfer switch for 10-circuit home backup. Owners consistently note the fans are quieter than expected for the size, and the build quality feels a class above. The complaints are equally consistent: it's expensive per kWh versus EcoFlow and Anker, Tank Pro expansion batteries cost more than competitors' packs, there's no 240V from a single unit, and Goal Zero's app - historically the brand's weak spot - is improved but still behind EcoFlow's.
Specifications
Highlights
Pros
- ✓Best-in-class build: aluminum shell, magnetic port covers, UL2743 outdoor rating
- ✓3,000W solar input - full recharge in under 2 hours of good sun
- ✓Quieter fans than most 4kWh-class units per owner reports
- ✓Haven 10 transfer switch enables clean 10-circuit home backup
- ✓30A RV port plus 405W 12V high-power port for camper builds
- ✓4,000+ cycle LiFePO4 with 5-year warranty
Cons
- ✗Priced well above equivalent EcoFlow/Anker capacity
- ✗No 240V output from a single unit
- ✗Tank Pro expansion batteries are expensive per kWh
- ✗App still trails EcoFlow in features and polish
- ✗115.7 lbs without integrated wheels on the base station
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