Bluetti EB3A vs Bluetti AC500
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
Bluetti EB3A costs $1760 less. Whether that gap is worth closing depends on what you need to run.
- Bluetti AC500 holds 1046% more energy (3072Wh vs 268Wh), so it runs the same load proportionally longer.
- Bluetti AC500 has 8800W more surge headroom (10000W vs 1200W) — that decides whether a fridge, pump or AC compressor will actually start.
- Bluetti EB3A is 56.0 lb lighter (10.1 lb vs 66.1 lb).
- Bluetti AC500 is rated for 3,500 cycles vs 2,500 — meaningful if you cycle it daily.
Bluetti EB3A
The budget veteran. 268Wh at $239 with a 30-minute recharge — still one of the fastest-charging small units you can buy.
Best for: Budget campers who value fast top-ups between trips.
Where it falls short:
- 2500 cycles is the lowest here
- 268Wh empties fast under real load
Bluetti AC500
A modular home-backup system, not a portable unit — the AC500 has no internal battery at all until you add B300K packs.
Best for: Serious home-backup builds where you're designing a system, not buying an appliance.
Where it falls short:
- Requires separate battery packs to function at all — budget accordingly
- Total system cost climbs fast
| Spec | Bluetti EB3A | Bluetti AC500 |
|---|---|---|
| Price | $239 | $1999 |
| Capacity | 268 Wh | 3072 Wh |
| Continuous output | 600 W | 5000 W |
| Surge output | 1200 W | 10000 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 2,500 | 3,500 |
| Weight (lighter wins) | 10.1 lb | 66.1 lb |
| Max solar | 200 W | 3000 W |
| Recharge time (faster wins) | 30 min | 1h 45m |
Runtime head-to-head
| Appliance | Bluetti EB3A | Bluetti AC500 |
|---|---|---|
| Refrigerator | 3.8 hrs | 43.5 hrs |
| Mini fridge | 7.2 hrs | 82.9 hrs |
| Chest freezer | 2.8 hrs | 32.6 hrs |
| CPAP machine | 5.7 hrs | 65.3 hrs |
| Sump pump | ❌ | 3.3 hrs |