Goal Zero Yeti 300 vs Mango Power E
Side-by-side on the specs that decide it — surge, capacity, runtime and price.
Both models' specs verified against manufacturer listings · Last updated
The short answer
Goal Zero Yeti 300 costs $2700 less. Whether that gap is worth closing depends on what you need to run.
- Mango Power E holds 1090% more energy (3533Wh vs 297Wh), so it runs the same load proportionally longer.
- Mango Power E has 5400W more surge headroom (6000W vs 600W) — that decides whether a fridge, pump or AC compressor will actually start.
- Goal Zero Yeti 300 is 59.4 lb lighter (13.7 lb vs 73.1 lb).
- Goal Zero Yeti 300 is rated for 4,000 cycles vs 3,000 — meaningful if you cycle it daily.
Goal Zero Yeti 300
Goal Zero's compact entry: rugged and IPX4-rated, but you pay a premium over similar-capacity rivals for the drop-and-splash toughness.
Best for: Overlanders and job sites where the unit gets wet and knocked around.
Where it falls short:
- 350W output runs devices, not appliances
- $299 for 297Wh is pricey per watt-hour
Mango Power E
A polished 3.5kWh home unit with a standout 10-year warranty. The catch is a relatively low 660W solar input for the capacity.
Best for: Home-backup buyers who want a long warranty and lots of capacity.
Where it falls short:
- 660W solar input is low for 3.5kWh
- 73.1 lb
| Spec | Goal Zero Yeti 300 | Mango Power E |
|---|---|---|
| Price | $299 | $2999 |
| Capacity | 297 Wh | 3533 Wh |
| Continuous output | 350 W | 3000 W |
| Surge output | 600 W | 6000 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 4,000 | 3,000 |
| Weight (lighter wins) | 13.7 lb | 73.1 lb |
| Max solar | 300 W | 660 W |
| Recharge time (faster wins) | 50 min | 1h 30m |
Runtime head-to-head
| Appliance | Goal Zero Yeti 300 | Mango Power E |
|---|---|---|
| Refrigerator | ❌ | 50.1 hrs |
| Mini fridge | 8.0 hrs | 95.3 hrs |
| Chest freezer | ❌ | 37.5 hrs |
| CPAP machine | 6.3 hrs | 75.1 hrs |
| Sump pump | ❌ | 3.8 hrs |