Bluetti EB3A vs Bluetti AC2A
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 AC2A costs $40 less. Whether that gap is worth closing depends on what you need to run.
- Bluetti EB3A holds 31% more energy (268Wh vs 204Wh), so it runs the same load proportionally longer.
- Bluetti EB3A has 600W more surge headroom (1200W vs 600W) — that decides whether a fridge, pump or AC compressor will actually start.
- Bluetti AC2A is 2.2 lb lighter (7.9 lb vs 10.1 lb).
- Bluetti AC2A is rated for 3,000 cycles vs 2,500 — meaningful if you cycle it daily.
Neither of these will start a sump pump or well pump — both surge below the ~3,400W those motors need. If home backup with pumps is your use case, look at higher-surge models instead of either of these.
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
One of the cheapest LiFePO4 stations on the market. 204Wh is tiny, but a 200W solar input that outpaces the capacity makes it a surprisingly capable little off-grid trickle unit.
Best for: Ultralight campers who recharge from a panel daily.
Where it falls short:
- 204Wh is genuinely small
- 300W output is device-only
| Spec | Bluetti EB3A | Bluetti AC2A |
|---|---|---|
| Price | $239 | $199 |
| Capacity | 268 Wh | 204 Wh |
| Continuous output | 600 W | 300 W |
| Surge output | 1200 W | 600 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 2,500 | 3,000 |
| Weight (lighter wins) | 10.1 lb | 7.9 lb |
| Max solar | 200 W | 200 W |
| Recharge time (faster wins) | 30 min | 1h 30m |
Runtime head-to-head
| Appliance | Bluetti EB3A | Bluetti AC2A |
|---|---|---|
| Refrigerator | 3.8 hrs | ❌ |
| Mini fridge | 7.2 hrs | 5.5 hrs |
| Chest freezer | 2.8 hrs | ❌ |
| CPAP machine | 5.7 hrs | 4.3 hrs |
| Sump pump | ❌ | ❌ |