Goal Zero Yeti PRO 4000

Name: Goal Zero Yeti PRO 4000
Brand: Goal Zero

Ranked #5 of 8 in Best Home Backup Power Stations and Whole-Home Batteries (2026). Here is every spec we scored, where it came from, and how it compares.

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Goal Zero Yeti PRO 4000

Best for: A 4 kWh Yeti with 3,000 W solar and Tank PRO expansion

3.2/10

What we like

3,000 W solar input
TT-30R for RVs
Expands with up to four Tank PRO batteries
4,000 cycles to 80%

Watch out for

52.5 kg
Goal Zero doesn't list 240 V output on the unit

Score breakdown

Battery capacity 28%

Continuous AC output 22%

Max solar input 17%

Weight 11%

Max AC charging power 6%

Rated cycle life 11%

Surge / peak output 6%

Battery capacity	3994 Wh
Continuous AC output	3600 W
Max solar input	3000 W
Weight	52.5 kg
Max AC charging power	1800 W
240 V output (listed)	Not listed
Rated cycle life	4000 cycles
Surge / peak output	7200 W
SKU	37500
Capacity	3,993.6 Wh (51.2 V, 78 Ah)
Chemistry	LiFePO4
Cycle rating	4,000+ (1C discharge, 80%)
AC output	3,600 W continuous, 7,200 W surge; TT-30R
Solar input	HPP high-voltage 3,000 W max (13.3–150 V)
AC input	1,800 W
Expansion	Up to 4 Tank PRO batteries
Weight	115.7 lb (52.5 kg); 125.7 lb with cart
Warranty	5 years
Price	Check price