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Goal Zero Yeti PRO 4000

Portable power station · Emergency fit profile

Conditional fit

Goal Zero Yeti PRO 4000 can cover emergency power under the right conditions. Its clearest supported advantage is useful stored energy, but the documented limits should shape the decision.

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 can cover emergency power under the right conditions. Its clearest supported advantage is useful stored energy, but the documented limits should shape the decision.

Strengths

Practical advantages

  • Useful stored energyStores 3994 Wh for emergency essentials without promising a fixed runtime.
  • Off-grid rechargingAccepts solar input up to 3000 W for off-grid top-ups.
  • Fast wall top-upsAccepts wall input up to 1800 W for faster top-ups.

Tradeoffs

Supported limitations

  • Plan the moveAt 52.5 kg, moving it regularly takes more planning.

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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