Vtoman FlashSpeed 1500 vs Yoshino B2000 SST
What is the difference?
The Vtoman FlashSpeed 1500 has 1.5 kW of power, 3 kW peak, a 1.55 kWh battery. The Yoshino B2000 SST has 2 kW of power, a 1.33 kWh battery.
The Vtoman FlashSpeed 1500 uses a LiFePO4 battery, the Yoshino B2000 SST a lithium-ion (NMC) one. LiFePO4 generally lasts more charge cycles, so the Vtoman FlashSpeed 1500 should last longer.
The Vtoman FlashSpeed 1500 is rated for 3000 cycles, the Yoshino B2000 SST is rated for 4000 cycles.
The Vtoman FlashSpeed 1500 weighs 41 lb, the Yoshino B2000 SST weighs 31 lb. The Yoshino B2000 SST is easier to carry.
The Vtoman FlashSpeed 1500 can add extra batteries.
Specs side by side
| Vtoman FlashSpeed 1500 | Yoshino B2000 SST | |
|---|---|---|
| Capacity (Wh) | 1548 | 1326 |
| Continuous (W) | 1500 | 2000 |
| Peak (W) | 3000 | — |
| Solar input (W) | — | 600 |
| Chemistry | LiFePO4 | NMC |
| Cycles | 3000 | 4000 |
| Expandable | yes | — |
| Weight (lb) | 41 | 31 |
| Warranty (yr) | 5 | — |
| Fridge run time | 29.2 h | 25 h |
| CPAP run time | 35 h | 30 h |
| Wi-Fi router run time | 102.2 h | 87.5 h |
| Check on Amazon → | Check on Amazon → |
Specs as read from manufacturer pages on 2026-10-26 / 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, Vtoman FlashSpeed 1500 or Yoshino B2000 SST?
The Vtoman FlashSpeed 1500. More capacity: 1548 Wh vs 1326 Wh.
Which is lighter, Vtoman FlashSpeed 1500 or Yoshino B2000 SST?
The Yoshino B2000 SST. Lighter: 31 lb vs 41 lb.
More comparisons
- Vtoman FlashSpeed 1500 vs EcoFlow DELTA 2 Max
- Vtoman FlashSpeed 1500 vs Jackery Explorer 2000 v2
- Vtoman FlashSpeed 1500 vs Anker SOLIX C2000 Gen 2
- Vtoman FlashSpeed 1500 vs EcoFlow DELTA 3 Max
- 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 Vtoman models · All Yoshino models