Yoshino

Yoshino B660 SST

Yoshino B660 SST
72.2/100
B
#104 of 194 overall
#3 in Yoshino
$549$0.91/Wh
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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.

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

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

  • 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

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

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CPAP & Medical

· 79See all picks for CPAP & Medical
CPAP Machine ·
Humidifier ·
Nebulizer
Oxygen Concentrator ·
Phone Charger

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

Yoshino B660 SST scores 72.2 out of 100 in the AGB database, placing it #104 of 194 portable power stations we track. That earns a B grade in our 0-100 composite, which weighs 45 feature axes from capacity and AC output to charging speed, noise, and warranty. Strengths: Strong Battery Lifespan Cycles: 4000; Strong Ac Wave Quality: Pure Sine Wave. Trade-offs: Low Energy Density Wh Per Kg: 35.6; Low Ac Power Surge: 900. Read the full Yoshino Yoshino B660 SST breakdown on AGB for per-feature scores, pricing across Amazon, Walmart and the Yoshino store, and head-to-head comparisons with the products it's most often cross-shopped against.

100
82.7
70.9
58.9
85
75
59.7
42

Yoshino B660 SST
90 Wh602 Wh6,144 Wh

Physical
35.6
29.7 x 20.3 x 25.4 cm
38 dB
Discharge: 14 to 140F (-10 to 60C); Charge: 32 to 131F (0 to 55C)
16.9
Yes
AC Power
3 outlets, 120VAC, 60Hz (pure sine wave)
660
900
Pure Sine Wave
Charging
MC4 to XT60 (XT60 port)
Yoshino SP100 (12-30VDC)
1
AC adapter (DC In), Car (12V), Solar (XT60/MC4), USB-C PD
120
100
Yes
Yes
Yes
DC Power
12V DC: 2 ports 12.6VDC/10A (126W total); USB-C: 20W; USB-C PD: 100W; USB-A: 2 ports 12W each
Battery
0
602
4000
No
Advanced Features
No
Yes
20ms
Connectivity
No
Yes
Yes
Yes
Warranty
5

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

Spec
Yoshino B660 SST
This model
Yoshino B660 SST
72.2 / B
EcoFlow RIVER 3 Max Plus
EcoFlow
EcoFlow RIVER 3 Max Plus
83.9 / B+
EcoFlow RIVER 2 Pro
EcoFlow
EcoFlow RIVER 2 Pro
82.8 / B+
OUPES Exodus 1200
OUPES
OUPES Exodus 1200
81.7 / B+
72.283.982.881.7
602 Wh858 Wh768 Wh992 Wh
660 W600 W800 W1,200 W
16.9 kg · 37.3 lbs4.7 kg · 10.4 lbs8.3 kg · 18.2 lbs10.5 kg · 23.1 lbs
4,0003,0003,0003,500
10 ms30 ms20 ms
100 W220 W220 W240 W
$549$469$599$549
$0.91/Wh$0.55/Wh$0.78/Wh$0.55/Wh

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

How long does the Yoshino B660 SST run a cpap machine for cpap & medical?

About 14.2 hours on a 40W cpap machine (modeled at a 90% duty cycle).

How long does the Yoshino B660 SST run a humidifier for cpap & medical?

About 42.6 hours on a 30W humidifier (modeled at a 40% duty cycle).

How long does the Yoshino B660 SST run a electric ice auger for ice fishing?

About 1.0 hours at a steady 500W draw.

How long does the Yoshino B660 SST run a fish finder for ice fishing?

About 102 hours at a steady 5W draw.

How long does the Yoshino B660 SST run a camera battery charger for photography & video?

About 17.1 hours at a steady 30W draw.

How long does the Yoshino B660 SST run a led light panel for photography & video?

About 5.1 hours at a steady 100W draw.

How long does the Yoshino B660 SST run a mini fridge for camping?

About 24.4 hours on a 60W mini fridge (modeled at a 35% duty cycle).

How long does the Yoshino B660 SST run a led lantern for camping?

About 51.2 hours at a steady 10W draw.

How long does the Yoshino B660 SST run a laptop for remote work?

About 7.9 hours at a steady 65W draw.

How long does the Yoshino B660 SST run a 27" monitor for remote work?

About 12.8 hours at a steady 40W draw.