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Goal Zero Yeti PRO 4000

Portable power station · Home Backup fit profile

Good fit

Goal Zero Yeti PRO 4000 is well suited to home backup. Its clearest buyer advantage is useful stored energy.

Capacity3,994 Wh
AC output3,600 W
Surge7,200 W
Solar input3,000 W
Weight52.5 kg
ExpansionExpandable
Evidence
Manufacturer-controlled
Model
Yeti PRO 4000
Reviewed
2026-10-17
Goal Zero Yeti PRO 4000 product image

At a glance

Bottom Line

Goal Zero Yeti PRO 4000 is well suited to home backup. Its clearest buyer advantage is useful stored energy.

Strengths

Practical advantages

  • Expandable runtimeExpands to 20000 Wh for longer backup.
  • Motor-start headroomAllows brief peaks up to 7200 W for compatible starting loads.
  • Sustained AC powerSustains 3600 W for compatible home essentials.

Tradeoffs

Supported limitations

  • Trade-off and evidence boundaryNo specific limitation is established by the Home Backup assessment inputs; this does not establish that none exist.

Evidence gaps

What remains unknown

  • UPS/EPS support

Best for

Scenario fit

CampingLimited fit · 90% coverageAt 52.5 kg, moving it regularly takes more planning.
RVGood fit · 75% coverageSustains 3600 W for compatible RV appliances.Missing: single-base 240 V output, native TT-30 connection
Home BackupGood fit · 85% coverageStores 3994 Wh for essential home loadsMissing: UPS/EPS support
EmergencyConditional fit · 80% coverageStores 3994 Wh for emergency essentialsMissing: UPS/EPS support
CPAPLimited fit · 65% coverageAt 52.5 kg, moving it regularly takes more planning.Missing: 12 V / car DC output, UPS/EPS support

Key facts

Core specifications

CAPACITY

3994 Wh

Rated capacity

Continuous

3600 W

Continuous

SURGE

7200 W

Peak capability

SOLAR INPUT

3000 W

Maximum

WEIGHT

52.5 kg

BATTERY

LiFePO4 (Lithium Iron Phosphate)

Warranty

5 years

Recharge paths

Charging specifications

AC INPUT

1800 W

Maximum

SOLAR INPUT

3000 W

Maximum

AC charge time

120 min

to 80%

AC charge time

180 min

to 100%

CAR CHARGE INPUT

400 W

Solar voltage minimum

13.3 V

Solar voltage maximum

150 V

Power and connections

Output specifications

AC OUTPUT

3600 W

Continuous

SURGE

7200 W

Peak capability per manufacturer

AC output voltage

120 V

AC output frequency

60 Hz

AC waveform

Yes

Expandability

Capacity beyond the base

EXPANSION

Yes

Up to 20000 Wh

Supports external batteries

Portability

Size the move

PRODUCT WEIGHT

52.5 kg

Manufacturer-published weight

UPS / EPS

Transfer behavior

UPS / EPS

Not documented

15 ms

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