Allpowers S2000 Pro vs Yoshino B2000 SST

What is the difference?

The Allpowers S2000 Pro has 2.4 kW of power, 4 kW peak, a 1.45 kWh battery. The Yoshino B2000 SST has 2 kW of power, a 1.33 kWh battery.

Both use lithium-ion (NMC) batteries.

The Allpowers S2000 Pro is rated for 2500 cycles, the Yoshino B2000 SST is rated for 4000 cycles.

The Allpowers S2000 Pro takes up to 1000 W from solar, the Yoshino B2000 SST takes up to 600 W from solar. The Allpowers S2000 Pro charges faster from panels.

The Allpowers S2000 Pro weighs 29 lb, the Yoshino B2000 SST weighs 31 lb. The Allpowers S2000 Pro is easier to carry.

Specs side by side

	Allpowers S2000 Pro	Yoshino B2000 SST
Capacity (Wh)	1451	1326
Continuous (W)	2400	2000
Peak (W)	4000	—
Solar input (W)	1000	600
Chemistry	NMC	NMC
Cycles	2500	4000
Expandable	—	—
Weight (lb)	29	31
Warranty (yr)	5	—
Fridge run time	27.4 h	25 h
CPAP run time	32.8 h	30 h
Wi-Fi router run time	95.8 h	87.5 h
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Specs as read from manufacturer pages on 2026-10-31 / 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 S2000 Pro or Yoshino B2000 SST?

The Allpowers S2000 Pro. More capacity: 1451 Wh vs 1326 Wh.

Which is lighter, Allpowers S2000 Pro or Yoshino B2000 SST?

The Allpowers S2000 Pro. Lighter: 29 lb vs 31 lb.

Which charges faster from solar, Allpowers S2000 Pro or Yoshino B2000 SST?

The Allpowers S2000 Pro. Faster solar charging: 1000 W input vs 600 W input.

More comparisons

Compare other models → · All Allpowers models · All Yoshino models