Dabbsson DBS1400 Pro vs Firman Zero E (E201001)
What is the difference?
The Dabbsson DBS1400 Pro has 2.4 kW of power, 4.8 kW peak, a 1.38 kWh battery. The Firman Zero E (E201001) has 2 kW of power, 4 kW peak, a 1.04 kWh battery.
The Dabbsson DBS1400 Pro takes up to 1200 W from solar, the Firman Zero E (E201001) takes up to 400 W from solar. The Dabbsson DBS1400 Pro charges faster from panels.
Both have 120 V AC output.
Both can add extra batteries.
Specs side by side
| Dabbsson DBS1400 Pro | Firman Zero E (E201001) | |
|---|---|---|
| Capacity (Wh) | 1382 | 1040 |
| Continuous (W) | 2400 | 2000 |
| Peak (W) | 4800 | 4000 |
| Solar input (W) | 1200 | 400 |
| Chemistry | LiFePO4 | — |
| Cycles | 4500 | — |
| Expandable | yes | yes |
| Weight (lb) | 45 | — |
| Warranty (yr) | 5 | — |
| Fridge run time | 26.1 h | 19.6 h |
| CPAP run time | 31.3 h | 23.5 h |
| Wi-Fi router run time | 91.2 h | 68.6 h |
| Check on Amazon → | Check on Amazon → |
Specs as read from manufacturer pages on 2026-10-31 / 2026-10-30. Specs one maker does not list are left out of the comparison. Run times are for that appliance alone with a typical duty cycle, after inverter and depth-of-discharge losses. Sponsored links; we may earn a commission.
Common questions
Which has more capacity, Dabbsson DBS1400 Pro or Firman Zero E (E201001)?
The Dabbsson DBS1400 Pro. More capacity: 1382 Wh vs 1040 Wh.
Which charges faster from solar, Dabbsson DBS1400 Pro or Firman Zero E (E201001)?
The Dabbsson DBS1400 Pro. Faster solar charging: 1200 W input vs 400 W input.
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Compare other models → · All Dabbsson models · All Firman models