Goal Zero Yeti PRO 4000 Portable Power Station
SVT Score, Lower
3,994 Wh aluminum-cased station at 115.7 lb that grows to a rated 20 kWh with Tank PRO batteries, 120 V only; TheSolarLab held 4,800 W for over a minute.
$4,000
We may earn a commission if you buy through this link. It never affects our scores. How this works
Usability
6.3 out of 10It stores 3,994 Wh, the typical size for a home backup unit, so it scores 5 on capacity.
Better on capacityJackery Explorer 5000 PlusStores 5,040 Wh on its own. $3,499Scores 8.0Its inverter is rated 3,600 W continuous and 7,200 W surge at 120 V only, so it scores 5 on power output.
Better on power outputJackery Explorer 5000 PlusInverter supplies 7,200 W continuous. $3,499Scores 10.0Goal Zero states a full wall charge in under 3 hours at 1,800 W and solar input tops out at 3,000 W, so it scores 7 on recharging.
Goal Zero rates the cells for 4,000 cycles to 80 percent capacity, so it scores 8 on battery life.
It switches to battery in under 10 ms, takes four Tank PRO 4000 batteries to a rated 20 kWh and pairs with Goal Zero's 120 V Haven 10 transfer switch, so it scores 7 on backup readiness.
TÜV Rheinland lists it to UL 2743 by model, but no UL 9540 system listing was found, so it scores 6 on verification.
Goal Zero's policy gives it 5 years, so it scores 8 on warranty and support.
Its warranty runs 5 years on its LiFePO4 Yetis, the Yeti PRO 4000 included, and 2 years on NMC models, with 30-day returns on goalzero.com orders.
$3,999.95 at goalzero.com.
Built like A Tank, wired for 120 V only
The Yeti PRO 4000 is Goal Zero's 3,994 Wh LiFePO4 station in an aluminum case, a 115.7 lb unit on a detachable roll cart with four 120 V outlets and a TT-30R RV outlet.
It suits a buyer who wants a weather-resistant 4 kWh unit feeding ten house circuits at 120 V and has no 240 V load such as a well pump or dryer to run.
Strengths
- Expands to a rated 20 kWh with four Tank PRO 4000 batteries
- 3,000 W solar input at 13.3 to 150 V
- 4,000 cycles to 80 percent
- Switchover under 10 ms through the Haven 10
- Aluminum case that kept working through TheSolarLab's hose test
- 21 W idle draw in TheSolarLab's test
Drawbacks
- 120 V onlywith no 240 V output
- 115.7 lb125.7 lb on its cart
- AC charging capped at 1,800 W and pauses when the load passes 1,800 W, per TheSolarLab
- Owner reports of firmware faults and 12 V charging errors
- Haven 10 switch costs $999.95 more and needs an electrician
Specs
- Capacity3,000-3,999 Wh
- AC Output3,000-3,999 W
- Output Voltage120 V only
- Battery ChemistryLiFePO4
- Rated Cycles4,000-5,999 cycles
- Safety ListingUL 2743 listed
- Solar Input2,000-3,999 W
- Backup Switchover10 ms or less
- Warranty5 Years
- Expandable To20 kWh or more
- Weight115.7 lb
At a glance
- Four 120 V outlets
- TT-30R 30 A RV outlet
- Three USB-A ports
Goal Zero LLC, founded in Utah by Robert Workman in 2009, was sold by NRG Energy to BioLite in April 2025.
It sells direct from goalzero.com, through its own Goal Zero LLC store on Amazon US, and at REI stores and rei.com.
The Goal Zero Yeti PRO 4000 is a 3,994 Wh LiFePO4 station rated 3,600 W continuous and 7,200 W surge from four 120 V outlets and a TT-30R 30 A RV outlet, with a 100 W USB-C port, two 30 W USB-C ports, three USB-A ports, a 12 V car outlet, two 6 mm 12 V ports and a 405 W 12 V high power port. Goal Zero states 80 percent in 2 hours and a full wall charge in under 3 hours at 1,800 W, and it takes up to 3,000 W of solar at 13.3 to 150 V. Goal Zero rates the cells for 4,000 cycles to 80 percent capacity and states an automatic switchover under 10 ms through its pass-through input, and up to four Tank PRO 4000 batteries at $1,999.95 each take it to a rated 20 kWh. The Haven 10 transfer switch, $999.95 and installed by an electrician, feeds ten 120 V circuits; it has no 240 V output. It weighs 115.7 lb, 125.7 lb on its roll cart, and measures 21.4 x 13.8 x 14.8 in.
