Fossibot F2400 vs Ampace Andes 1500
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
Fossibot F2400 costs $100 less. Whether that gap is worth closing depends on what you need to run.
- Fossibot F2400 holds 40% more energy (2048Wh vs 1462Wh), so it runs the same load proportionally longer.
- Fossibot F2400 has 1200W more surge headroom (4800W vs 3600W) — that decides whether a fridge, pump or AC compressor will actually start.
- Ampace Andes 1500 is 11.7 lb lighter (36.8 lb vs 48.5 lb).
- Fossibot F2400 is rated for 3,500 cycles vs 3,000 — meaningful if you cycle it daily.
We'd skip the Ampace Andes 1500 in this matchup. It costs $100 more than the Fossibot F2400 while matching or trailing it on capacity, surge and cycle life — there's no spec here that justifies the premium.
A value-brand 2kWh that undercuts the majors sharply while matching them on the specs that matter — 2,400W output and a strong 4,800W surge.
Best for: Bargain hunters who want high surge and 2kWh for the least money.
Where it falls short:
- 500W solar input is low for 2kWh
- Support network trails the majors
Backed by an Amperex/CATL cell pedigree, the Andes 1500 stands out on charge speed — 0-80% in well under an hour — and a light 36.8 lb for 1.5kWh.
Best for: Buyers who prize fast charging and low weight at 1.5kWh.
Where it falls short:
- Newer brand with a thinner track record
- Not expandable
| Spec | Fossibot F2400 | Ampace Andes 1500 |
|---|---|---|
| Price | $899 | $999 |
| Capacity | 2048 Wh | 1462 Wh |
| Continuous output | 2200 W | 2000 W |
| Surge output | 4800 W | 3600 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,500 | 3,000 |
| Weight (lighter wins) | 48.5 lb | 36.8 lb |
| Max solar | 500 W | 1000 W |
| Recharge time (faster wins) | 1h 30m | 55 min |
Runtime head-to-head
| Appliance | Fossibot F2400 | Ampace Andes 1500 |
|---|---|---|
| Refrigerator | 29.0 hrs | 20.7 hrs |
| Mini fridge | 55.3 hrs | 39.5 hrs |
| Chest freezer | 21.8 hrs | 15.5 hrs |
| CPAP machine | 43.5 hrs | 31.1 hrs |
| Sump pump | 2.2 hrs | 1.6 hrs |