Yoshino B660 SST
Yoshino

Yoshino B660 SST

60.0/100
B-
#111 of 194 overall
#2 in Yoshino
$549$0.91/Wh
Under $1,000
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Where to Buy

Compare prices across 2 retailers · Save up to $50

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Yoshino Store
Yoshino StoreBest Price
$549
Lowest price
Walmart
Walmart
$599

Prices are checked periodically and may not reflect real-time changes. Always verify the final price on the retailer's website before purchasing.

Performance Matrix

Battery
602Wh
AC Output
660W
Solar Input
100W
Weight
16.9 kg· 37.3 lbs
Cycles
4000
UPS
20ms

Real-World Runtime Estimates

Pick an activity to see how long Yoshino B660 SST powers a typical loadout.

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CPAP & Medical

Great· 79See all picks for CPAP & Medical
CPAP Machine (40W)· 90% duty14.2 hours
Humidifier (30W)· 40% duty42.6 hours
Nebulizer (100W)5.1 hours
Oxygen Concentrator (350W)· 90% duty1.6 hours
Phone Charger (20W)25.6 hours

Runtimes are estimates. Fridges, AC units, humidifiers and similar devices are modeled with realistic duty cycles so numbers reflect average draw, not peak wattage.

CPAP & Medical runtime estimates

  • CPAP Machine (40W): 14.2 hours
  • Humidifier (30W): 42.6 hours
  • Nebulizer (100W): 5.1 hours
  • Oxygen Concentrator (350W): 1.6 hours
  • Phone Charger (20W): 25.6 hours

Ice Fishing runtime estimates

  • Electric Ice Auger (500W): 1.0 hours
  • Fish Finder (5W): 102 hours
  • Space Heater (750W): 1.1 hours
  • Phone Charger (20W): 25.6 hours
  • LED Lantern (10W): 51.2 hours

Photography & Video runtime estimates

  • Camera Battery Charger (30W): 17.1 hours
  • LED Light Panel (100W): 5.1 hours
  • Drone Charger (70W): 7.3 hours
  • Laptop (65W): 7.9 hours
  • 27" Monitor (40W): 12.8 hours

Camping runtime estimates

  • Mini Fridge (60W): 24.4 hours
  • LED Lantern (10W): 51.2 hours
  • Portable Fan (40W): 12.8 hours
  • Phone Charger (20W): 25.6 hours
  • Laptop (65W): 7.9 hours

Remote Work runtime estimates

  • Laptop (65W): 7.9 hours
  • 27" Monitor (40W): 12.8 hours
  • Router + Modem (30W): 17.1 hours
  • Phone Charger (20W): 25.6 hours
  • Desk Lamp (10W): 51.2 hours

Boats & Marine runtime estimates

  • Fish Finder (5W): 102 hours
  • Mini Fridge (60W): 24.4 hours
  • LED Lantern (10W): 51.2 hours
  • Phone Charger (20W): 25.6 hours
  • 12V Water Pump (100W): 17.1 hours

Budget Camping runtime estimates

  • Phone Charger (20W): 25.6 hours
  • LED Lantern (10W): 51.2 hours
  • Portable Fan (40W): 12.8 hours
  • Laptop (65W): 7.9 hours
  • Mini Fridge (60W): 24.4 hours

Overlanding runtime estimates

  • Mini Fridge (60W): 24.4 hours
  • LED Light Panel (100W): 5.1 hours
  • Laptop (65W): 7.9 hours
  • Phone Charger (20W): 25.6 hours
  • 12V Water Pump (100W): 17.1 hours

Job Sites runtime estimates

  • Circular Saw (1800W): 0.3 hours
  • Corded Drill (700W): 0.7 hours
  • Air Compressor (1000W): 1.3 hours
  • Laptop (65W): 7.9 hours
  • Phone Charger (20W): 25.6 hours

Outdoor Events runtime estimates

  • PA Speaker (150W): 3.4 hours
  • Stage Light (200W): 2.6 hours
  • LED Light Panel (100W): 5.1 hours
  • Laptop (65W): 7.9 hours
  • Phone Charger (20W): 25.6 hours

Tailgating runtime estimates

  • 55" TV (120W): 4.3 hours
  • PA Speaker (150W): 3.4 hours
  • Mini Fridge (60W): 24.4 hours
  • Blender (500W): 1.0 hours
  • Phone Charger (20W): 25.6 hours

Emergency Preparedness runtime estimates

  • Mini Fridge (60W): 24.4 hours
  • CPAP Machine (40W): 14.2 hours
  • Router + Modem (30W): 17.1 hours
  • LED Light Panel (100W): 5.1 hours
  • Phone Charger (20W): 25.6 hours

Van Life runtime estimates

  • Mini Fridge (60W): 24.4 hours
  • 12V Water Pump (100W): 17.1 hours
  • LED Lantern (10W): 51.2 hours
  • Laptop (65W): 7.9 hours
  • Portable Fan (40W): 12.8 hours

Apartment Dweller runtime estimates

  • Router + Modem (30W): 17.1 hours
  • Laptop (65W): 7.9 hours
  • 55" TV (120W): 4.3 hours
  • Phone Charger (20W): 25.6 hours
  • Mini Fridge (60W): 24.4 hours

Home Backup runtime estimates

  • Mini Fridge (60W): 24.4 hours
  • Router + Modem (30W): 17.1 hours
  • 55" TV (120W): 4.3 hours
  • Laptop (65W): 7.9 hours
  • Phone Charger (20W): 25.6 hours

RV Life runtime estimates

  • Mini Fridge (60W): 24.4 hours
  • 55" TV (120W): 4.3 hours
  • Laptop (65W): 7.9 hours
  • 12V Water Pump (100W): 17.1 hours
  • Coffee Maker (800W): 0.6 hours

Off-Grid Living runtime estimates

  • Mini Fridge (60W): 24.4 hours
  • Laptop (65W): 7.9 hours
  • LED Light Panel (100W): 5.1 hours
  • 12V Water Pump (100W): 17.1 hours
  • Induction Cooktop (1800W): 0.3 hours

Food Trucks runtime estimates

  • Induction Cooktop (1800W): 0.3 hours
  • Blender (500W): 1.0 hours
  • Portable Freezer (120W): 12.2 hours
  • Coffee Maker (800W): 0.6 hours
  • LED Light Panel (100W): 5.1 hours

Solar Setup runtime estimates

  • Mini Fridge (60W): 24.4 hours
  • Laptop (65W): 7.9 hours
  • 12V Water Pump (100W): 17.1 hours
  • LED Light Panel (100W): 5.1 hours
  • 55" TV (120W): 4.3 hours

Whole Home Backup runtime estimates

  • Mini Fridge (60W): 24.4 hours
  • Portable Freezer (120W): 12.2 hours
  • Router + Modem (30W): 17.1 hours
  • 55" TV (120W): 4.3 hours
  • Space Heater (750W): 1.1 hours

Pros

  • Strong Battery Lifespan Cycles: 4000
  • Strong Ac Wave Quality: Pure Sine Wave
  • Strong Ac Charge Speed: 120
  • Strong Portable: Yes
  • Strong Fast Charging: Yes

Cons

  • Low Energy Density Wh Per Kg: 35.6
  • Low Ac Power Surge: 900
  • Low Max Solar Input: 100
  • Low Expandable Capacity: No
  • Low Ups Switch Time: 20ms

Not Recommended

Food TrucksSolar SetupWhole Home Backup

Technical Score Breakdown

Warranty100
Price82.7
Physical70.9
Advanced Features58.9
Charging85
Connectivity75
AC Power59.7
Battery42

Capacity Position

Yoshino B660 SST
90 Wh602 Wh6,144 Wh

Technical Specifications

Product Info
Product Url
https://yoshinopower.com/products/b660-solid-state-portable-power-station
Brand
Yoshino
Model Name
B660 SST
Physical
Energy Density Wh Per Kg
35.6
Dimensions
29.7 x 20.3 x 25.4 cm
Noise Level
38 dB
Operating Temp
Discharge: 14 to 140F (-10 to 60C); Charge: 32 to 131F (0 to 55C)
Weight
16.9
Portable
Yes
Price
Price Description
Sale $549 (reg. $699)
Base Price
549.00
Cost Per Wh
0.91
AC Power
Ac Output Amps
3 outlets, 120VAC, 60Hz (pure sine wave)
Ac Power Continuous
660
Ac Power Surge
900
Ac Wave Quality
Pure Sine Wave
Charging
Solar Connector Type
MC4 to XT60 (XT60 port)
Solar Panel Compatibility
Yoshino SP100 (12-30VDC)
Max Solar Panels
1
Charger Type
AC adapter (DC In), Car (12V), Solar (XT60/MC4), USB-C PD
Ac Charge Speed
120
Max Solar Input
100
Fast Charging
Yes
Smart Charging
Yes
Pass Through Charging
Yes
DC Power
Dc Output
12V DC: 2 ports 12.6VDC/10A (126W total); USB-C: 20W; USB-C PD: 100W; USB-A: 2 ports 12W each
Battery
Max Extra Batteries
0
Battery Capacity Wh
602
Battery Lifespan Cycles
4000
Expandable Capacity
No
Advanced Features
Parallel Expansion
No
Ups Functionality
Yes
Ups Switch Time
20ms
Connectivity
Wireless Charging
No
App Control
Yes
Bluetooth
Yes
Wifi Connectivity
Yes
Warranty
Warranty
5

Competitor Comparison

Side‑by‑side specs vs 3 similar models in the same capacity and price range.

Spec
Yoshino B660 SST
This model
Yoshino B660 SST
60.0 / B-
EcoFlow RIVER 3 Max Plus
EcoFlow
EcoFlow RIVER 3 Max Plus
73.7 / A-
EcoFlow RIVER 2 Pro
EcoFlow
EcoFlow RIVER 2 Pro
71.1 / B+
EcoFlow DELTA 3 1000 Air
Overall score60.073.771.168.9
Capacity602 Wh858 Wh768 Wh960 Wh
AC output660 W600 W800 W500 W
Weight16.9 kg · 37.3 lbs4.7 kg · 10.4 lbs8.3 kg · 18.2 lbs9.9 kg · 21.8 lbs
Battery cycles4,0003,0003,0003,000
UPS switch time—10 ms30 ms10 ms
Max solar input100 W220 W220 W500 W
Price$549$469$599$499
Cost per Wh$0.91/Wh$0.55/Wh$0.78/Wh$0.52/Wh

Green value + dot = best in that row. Similar models selected from the same capacity tier, priced within ±40%.

All Yoshino Reviews →Best Under $1,000 Stations →Best Under $1,000 →Best for cpap medical →Best for ice fishing →