Allpowers P1800 vs Yoshino B2000 SST
What is the difference?
The Allpowers P1800 has 1.8 kW of power, 3.6 kW peak, a 1.02 kWh battery. The Yoshino B2000 SST has 2 kW of power, a 1.33 kWh battery.
The Allpowers P1800 uses a LiFePO4 battery, the Yoshino B2000 SST a lithium-ion (NMC) one. LiFePO4 generally lasts more charge cycles, so the Allpowers P1800 should last longer.
The Allpowers P1800 is rated for 3000 cycles, the Yoshino B2000 SST is rated for 4000 cycles.
The Allpowers P1800 takes up to 650 W from solar, the Yoshino B2000 SST takes up to 600 W from solar. The Allpowers P1800 charges faster from panels.
The Allpowers P1800 charges from a wall outlet to 80 % in 60 min, the Yoshino B2000 SST charges from a wall outlet to 80 % in 50 min. The Yoshino B2000 SST is ready again sooner.
Specs side by side
| Allpowers P1800 | Yoshino B2000 SST | |
|---|---|---|
| Capacity (Wh) | 1024 | 1326 |
| Continuous (W) | 1800 | 2000 |
| Peak (W) | 3600 | — |
| Solar input (W) | 650 | 600 |
| Chemistry | LiFePO4 | NMC |
| Cycles | 3000 | 4000 |
| Expandable | — | — |
| Weight (lb) | — | 31 |
| Warranty (yr) | — | — |
| Fridge run time | 19.3 h | 25 h |
| CPAP run time | 23.2 h | 30 h |
| Wi-Fi router run time | 67.6 h | 87.5 h |
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Specs as read from manufacturer pages on 2026-11-03 / 2026-10-31. 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, Allpowers P1800 or Yoshino B2000 SST?
The Yoshino B2000 SST. More capacity: 1326 Wh vs 1024 Wh.
Which charges faster from solar, Allpowers P1800 or Yoshino B2000 SST?
The Allpowers P1800. Faster solar charging: 650 W input vs 600 W input.
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Compare other models → · All Allpowers models · All Yoshino models