Generac GB1000 vs Yoshino B2000 SST
What is the difference?
The Generac GB1000 has 1.6 kW of power, 3.2 kW peak, a 1.09 kWh battery. The Yoshino B2000 SST has 2 kW of power, a 1.33 kWh battery.
Both use lithium-ion (NMC) batteries.
The Generac GB1000 is rated for 800 cycles, the Yoshino B2000 SST is rated for 4000 cycles.
The Generac GB1000 takes up to 468 W from solar, the Yoshino B2000 SST takes up to 600 W from solar. The Yoshino B2000 SST charges faster from panels.
The Generac GB1000 weighs 29 lb, the Yoshino B2000 SST weighs 31 lb. The Generac GB1000 is easier to carry.
The Generac GB1000 charges from a wall outlet to 80 % in 2.1 h, 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
| Generac GB1000 | Yoshino B2000 SST | |
|---|---|---|
| Capacity (Wh) | 1086 | 1326 |
| Continuous (W) | 1600 | 2000 |
| Peak (W) | 3200 | — |
| Solar input (W) | 468 | 600 |
| Chemistry | NMC | NMC |
| Cycles | 800 | 4000 |
| Expandable | — | — |
| Weight (lb) | 29 | 31 |
| Warranty (yr) | 3 | — |
| Fridge run time | 20.5 h | 25 h |
| CPAP run time | 24.6 h | 30 h |
| Wi-Fi router run time | 71.7 h | 87.5 h |
| Check on Amazon → | Check on Amazon → |
Specs as read from manufacturer pages on 2026-10-28 / 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, Generac GB1000 or Yoshino B2000 SST?
The Yoshino B2000 SST. More capacity: 1326 Wh vs 1086 Wh.
Which is lighter, Generac GB1000 or Yoshino B2000 SST?
The Generac GB1000. Lighter: 29 lb vs 31 lb.
Which charges faster from solar, Generac GB1000 or Yoshino B2000 SST?
The Yoshino B2000 SST. Faster solar charging: 600 W input vs 468 W input.
More comparisons
- Generac GB1000 vs Anker SOLIX C1000 Gen 2
- Generac GB1000 vs Jackery Explorer 1000 v2
- Generac GB1000 vs EcoFlow DELTA 3 Classic
- Generac GB1000 vs EcoFlow DELTA 3 Plus
- Yoshino B2000 SST vs Jackery Explorer 1000 v2
- Yoshino B2000 SST vs EcoFlow DELTA 3 Classic
- Yoshino B2000 SST vs EcoFlow DELTA 3 Plus
- Yoshino B2000 SST vs Bluetti Elite 100 V2
Compare other models → · All Generac models · All Yoshino models