Goal Zero Yeti PRO 4000

Goal Zero targets portable power and home backup. The Yeti PRO 4000 is its high capacity LFP power station. It supports expansion batteries for longer runtime.

Capacity and Power Output

Goal Zero lists 3,994 Wh of battery capacity for the Yeti PRO 4000, built on a 51.2V, 78Ah pack. The station is expandable for more storage.

The Yeti PRO 4000 delivers 3,600W of continuous AC output. It lists a surge rating of 7,200W for high draw loads.

Goal Zero uses LiFePO4 (Lithium Iron Phosphate) chemistry in the Yeti PRO 4000. LFP is chosen here for cycle life and stability.

Cycle Life, Warranty, and Expansion

Goal Zero rates the Yeti PRO 4000 for 4,000+ cycles at 80% depth of discharge. That translates to long service under regular cycling.

The station supports up to 4 Tank Pro expansion batteries per Yeti PRO for additional capacity, through a 100A, 100V max expansion port. Goal Zero backs the unit with a 5 year warranty.

Model records