Goal Zero YETI PRO 4000 vs Grecell S5 4000W Portable Power Station
What is the difference?
The Goal Zero YETI PRO 4000 has 3.6 kW of power, 7.2 kW peak, a 3.99 kWh battery. The Grecell S5 4000W Portable Power Station has 4 kW of power, 7 kW peak, a 5.04 kWh battery.
Both use LiFePO4 batteries.
The Goal Zero YETI PRO 4000 takes up to 3000 W from solar, the Grecell S5 4000W Portable Power Station takes up to 2100 W from solar. The Goal Zero YETI PRO 4000 charges faster from panels.
The Goal Zero YETI PRO 4000 weighs 116 lb, the Grecell S5 4000W Portable Power Station weighs 112 lb.
Both have 120 V AC output.
Both can add extra batteries.
Specs side by side
| Goal Zero YETI PRO 4000 | Grecell S5 4000W Portable Power Station | |
|---|---|---|
| Capacity (Wh) | 3993.6 | 5040 |
| Continuous (W) | 3600 | 4000 |
| Peak (W) | 7200 | 7000 |
| Solar input (W) | 3000 | 2100 |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | 4000 | — |
| Expandable | yes | yes |
| Weight (lb) | 116 | 112 |
| Warranty (yr) | 5 | — |
| Fridge run time | 75.3 h | 95 h |
| CPAP run time | 90.4 h | 114 h |
| Wi-Fi router run time | 263.6 h | 332.6 h |
| Check on Amazon → | Check on Amazon → |
Specs as read from manufacturer pages on 2026-10-26 / 2026-11-03. Specs one maker does not list are left out of the comparison. Run times are for that appliance alone with a typical duty cycle, after inverter and depth-of-discharge losses. Sponsored links; we may earn a commission.
Common questions
Which has more capacity, Goal Zero YETI PRO 4000 or Grecell S5 4000W Portable Power Station?
The Grecell S5 4000W Portable Power Station. More capacity: 5040 Wh vs 3993.6 Wh.
Which charges faster from solar, Goal Zero YETI PRO 4000 or Grecell S5 4000W Portable Power Station?
The Goal Zero YETI PRO 4000. Faster solar charging: 3000 W input vs 2100 W input.
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Compare other models → · All Goal Zero models · All Grecell models