Bluetti AC70 vs Yoshino B660 SST
What is the difference?
The Bluetti AC70 has 1 kW of power, a 768 Wh battery. The Yoshino B660 SST has 660 W of power, a 602 Wh battery.
The Bluetti AC70 uses a LiFePO4 battery, the Yoshino B660 SST a lithium-ion (NMC) one. LiFePO4 generally lasts more charge cycles, so the Bluetti AC70 should last longer.
The Bluetti AC70 is rated for 3000 cycles, the Yoshino B660 SST is rated for 4000 cycles.
The Bluetti AC70 weighs 22 lb, the Yoshino B660 SST weighs 17 lb. The Yoshino B660 SST is easier to carry.
Both have a 5-year warranty.
The Bluetti AC70 can add extra batteries.
Specs side by side
| Bluetti AC70 | Yoshino B660 SST | |
|---|---|---|
| Capacity (Wh) | 768 | 602 |
| Continuous (W) | 1000 | 660 |
| Peak (W) | — | — |
| Solar input (W) | 500 | — |
| Chemistry | LiFePO4 | NMC |
| Cycles | 3000 | 4000 |
| Expandable | yes | — |
| Weight (lb) | 22 | 17 |
| Warranty (yr) | 5 | 5 |
| Fridge run time | 14.5 h | 11.4 h |
| CPAP run time | 17.4 h | 13.6 h |
| Wi-Fi router run time | 50.7 h | 39.7 h |
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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, Bluetti AC70 or Yoshino B660 SST?
The Bluetti AC70. More capacity: 768 Wh vs 602 Wh.
Which is lighter, Bluetti AC70 or Yoshino B660 SST?
The Yoshino B660 SST. Lighter: 17 lb vs 22 lb.
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Compare other models → · All Bluetti models · All Yoshino models