B660 SST

B660 SST

SST Power Station

The smartest way to get serious power. Delivering 660 watts and standing just 10 inches tall, the B660 SST can power all manner of consumer electronics and small appliances, yet it’s still portable enough to take on the go. Host movie night in your backyard or bring your entire home office with you on your next camping trip. And thanks to solid-state power, the B660 SST is not only smaller and lighter, it’s also the safest option available.
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Solid-State Battery

Higher energy density and no flammable liquid electrolyte means more power in a smaller, safer package than traditional lithium-ion batteries.

660W / 602Wh

Rated for 660 watts with peak power of 900, the B660 SST can power multiple devices simultaneously. Its 602 watt-hour capacity is enough to power a CPAP machine for 12 hours or recharge a phone 50 times.

Easy Recharging

Can be fully charged from 0–80% in just 4 hours using AC power, or 6 hours using USB-C power delivery. For extended off-grid use, Yoshino solar panels can provide a full charge in 8 hours.

It’s All in the App

The Yoshino mobile app unlocks additional features of your power station. Monitor charge level, battery health, connected devices, and more.

Yoshino Power station and phone with app displayed

Weighs Less so You Can Do More

The higher energy density of Yoshino solid-state batteries puts more capacity in a smaller, lighter form factor for truly portable power.

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Ideal For

Smart Phone

43 times 12Wh


17 times 30Wh

LED Light Bulb

2 days 11W


10 times 50Wh


8 hours 60W

Household Fan

15 hours 33W

42" TV

5 hours 100W

Portable Cooler

21 hours 25W


13 times 40Wh


3.5 hours 150W

Mini Fridge

15 hours 35W

Multiple Ways to Charge

AC Charge

5 hours120W

12V Car Adaptor

5 hours120W


6 hours100W

Solar Panel

(Optional)8 hours100W
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Tech Specs

  • Net Weight
    16.5 lb / 7.48 kg
  • Power
    660 Watts (Rated); 1000 Watts (Peak)
  • WiFi & Bluetooth
  • Dimensions
    11.7 x 8 x 10 in (29.7 x 20.3 x 25.4 cm)
  • Cell
    SST Solid State Li-NCM 16.2 Ah
  • Full Recharge Time
    5 Hours (AC) 5 Hours (12V Car Adaptor), 6 Hours (USB-C PD) 8 Hours (100W Solar Panel)
  • In the Box
    DC Adaptor & Charging Cable, 12V Auto Adaptor DC5521 to XT60, Solar Charge Cable MC4 to XT60
  • Capacity
    602 Wh
  • Cycles
    2500 cycles to 80% Capacity
  • Warranty
    36 months
ETL Listed

Every Yoshino portable power station comes with full ETL certification.