For RV owners and home-backup buyers who want 2 kWh, a TT-30 outlet and a UPS at a low price per watt-hour, and don’t need to expand it later.
Amazon $849.98 Renogy $799
A budget 1.8kWh LiFePO4 station for home outage backup with enough output for high-draw appliances. Buyers should accept its weight, short warranty and lack of independent testing.
- 1,843.2 WhCapacity
- 2,400 WAC output
- 55 lbWeight
- LiFePO4Battery
- 1 h 36 minFull charge
- $0.27Price / Wh
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
- Low price for its size, about $0.27 per Wh at $499.94
- Runs 1,800-2,200W appliances such as kettles, hair dryers and space heaters
- Refills from a wall outlet in about 1.6 hours in fast-charge mode, per EBL
- Can sit between the wall and a computer or fridge as a backup that switches over in 10 ms, per EBL
- Heavy at 55 lb for a 1.8kWh unit
- Only a 1-year warranty when bought from EBL
- No independent capacity or efficiency tests published yet
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | Acc2400 |
|---|---|
| Battery | |
| Rated capacity | 1,843.2 Wh |
| Chemistry | LiFePO4 |
| Cycle life | 3,500 3,500+ cycles; EBL's product image pairs this with "80% capacity retention" |
| Output | |
| AC output | 2,400 W (4,800 W surge) |
| AC outlets | 4 |
| AC waveform | Pure sine wave |
| USB-C ports | 2 (up to 100 W each) |
| USB-A ports | 2 |
| 12 V car outlet | Yes |
| DC5521 ports | 2 |
| UPS / pass-through | Yes (10 ms switchover) |
| Charging | |
| AC charging | 1,200 W |
| Full AC charge time | 1 h 36 min (EBL product images: 0-100% in 1.6-2 hr with the default fast-charge mode, 7-8 hr in normal mode. The product-page text says 80% in under 2 hours and ~2 hours overall.) |
| Max solar input | 800 W |
| Solar input voltage | 12-75V |
| Build | |
| Weight | 55 lb (24.9 kg) |
| Dimensions | 16.93 x 11.81 x 11.02 in |
| Warranty | 1 years |
Alternatives in this size
For home-backup buyers who want 2.3 kWh now and a path to a large parallel system later. It is heavy, so it suits staying in one place rather than frequent carrying.
Amazon $1,599 Dabbsson $899For RV and backup users who want fast charging, strong solar input and an expansion path in a 2 kWh base unit.
BLUETTI $899Compare
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