
Yoshino B4000 SST
B
#106 of 194 overall
#1 in Yoshino
$2499$0.96/Wh
Under $3,500Best in Brand
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Yoshino StoreBest Price
$2,499
Lowest price
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
2611Wh
AC Output
4000W
Solar Input
600W
Weight
53.6 kg· 118.2 lbs
Cycles
4000
UPS
20ms
Real-World Runtime Estimates
Pick an activity to see how long Yoshino B4000 SST powers a typical loadout.
Choose your activity (20)
Mini Fridge (60W)· 35% duty105 hours
CPAP Machine (40W)· 90% duty61.6 hours
Router + Modem (30W)74.0 hours
LED Light Panel (100W)22.2 hours
Phone Charger (20W)110 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.
Emergency Preparedness runtime estimates
- Mini Fridge (60W): 105 hours
- CPAP Machine (40W): 61.6 hours
- Router + Modem (30W): 74.0 hours
- LED Light Panel (100W): 22.2 hours
- Phone Charger (20W): 110 hours
Van Life runtime estimates
- Mini Fridge (60W): 105 hours
- 12V Water Pump (100W): 74.0 hours
- LED Lantern (10W): 221 hours
- Laptop (65W): 34.1 hours
- Portable Fan (40W): 55.5 hours
Overlanding runtime estimates
- Mini Fridge (60W): 105 hours
- LED Light Panel (100W): 22.2 hours
- Laptop (65W): 34.1 hours
- Phone Charger (20W): 110 hours
- 12V Water Pump (100W): 74.0 hours
Job Sites runtime estimates
- Circular Saw (1800W): 1.2 hours
- Corded Drill (700W): 3.2 hours
- Air Compressor (1000W): 5.5 hours
- Laptop (65W): 34.1 hours
- Phone Charger (20W): 110 hours
Home Backup runtime estimates
- Mini Fridge (60W): 105 hours
- Router + Modem (30W): 74.0 hours
- 55" TV (120W): 18.5 hours
- Laptop (65W): 34.1 hours
- Phone Charger (20W): 110 hours
RV Life runtime estimates
- Mini Fridge (60W): 105 hours
- 55" TV (120W): 18.5 hours
- Laptop (65W): 34.1 hours
- 12V Water Pump (100W): 74.0 hours
- Coffee Maker (800W): 2.8 hours
Remote Work runtime estimates
- Laptop (65W): 34.1 hours
- 27" Monitor (40W): 55.5 hours
- Router + Modem (30W): 74.0 hours
- Phone Charger (20W): 110 hours
- Desk Lamp (10W): 221 hours
Boats & Marine runtime estimates
- Fish Finder (5W): 443 hours
- Mini Fridge (60W): 105 hours
- LED Lantern (10W): 221 hours
- Phone Charger (20W): 110 hours
- 12V Water Pump (100W): 74.0 hours
Tailgating runtime estimates
- 55" TV (120W): 18.5 hours
- PA Speaker (150W): 14.8 hours
- Mini Fridge (60W): 105 hours
- Blender (500W): 4.4 hours
- Phone Charger (20W): 110 hours
CPAP & Medical runtime estimates
- CPAP Machine (40W): 61.6 hours
- Humidifier (30W): 184 hours
- Nebulizer (100W): 22.2 hours
- Oxygen Concentrator (350W): 7.0 hours
- Phone Charger (20W): 110 hours
Outdoor Events runtime estimates
- PA Speaker (150W): 14.8 hours
- Stage Light (200W): 11.1 hours
- LED Light Panel (100W): 22.2 hours
- Laptop (65W): 34.1 hours
- Phone Charger (20W): 110 hours
Photography & Video runtime estimates
- Camera Battery Charger (30W): 74.0 hours
- LED Light Panel (100W): 22.2 hours
- Drone Charger (70W): 31.7 hours
- Laptop (65W): 34.1 hours
- 27" Monitor (40W): 55.5 hours
Ice Fishing runtime estimates
- Electric Ice Auger (500W): 4.4 hours
- Fish Finder (5W): 443 hours
- Space Heater (750W): 4.9 hours
- Phone Charger (20W): 110 hours
- LED Lantern (10W): 221 hours
Food Trucks runtime estimates
- Induction Cooktop (1800W): 1.2 hours
- Blender (500W): 4.4 hours
- Portable Freezer (120W): 52.8 hours
- Coffee Maker (800W): 2.8 hours
- LED Light Panel (100W): 22.2 hours
Off-Grid Living runtime estimates
- Mini Fridge (60W): 105 hours
- Laptop (65W): 34.1 hours
- LED Light Panel (100W): 22.2 hours
- 12V Water Pump (100W): 74.0 hours
- Induction Cooktop (1800W): 1.2 hours
Camping runtime estimates
- Mini Fridge (60W): 105 hours
- LED Lantern (10W): 221 hours
- Portable Fan (40W): 55.5 hours
- Phone Charger (20W): 110 hours
- Laptop (65W): 34.1 hours
Apartment Dweller runtime estimates
- Router + Modem (30W): 74.0 hours
- Laptop (65W): 34.1 hours
- 55" TV (120W): 18.5 hours
- Phone Charger (20W): 110 hours
- Mini Fridge (60W): 105 hours
Solar Setup runtime estimates
- Mini Fridge (60W): 105 hours
- Laptop (65W): 34.1 hours
- 12V Water Pump (100W): 74.0 hours
- LED Light Panel (100W): 22.2 hours
- 55" TV (120W): 18.5 hours
Budget Camping runtime estimates
- Phone Charger (20W): 110 hours
- LED Lantern (10W): 221 hours
- Portable Fan (40W): 55.5 hours
- Laptop (65W): 34.1 hours
- Mini Fridge (60W): 105 hours
Whole Home Backup runtime estimates
- Mini Fridge (60W): 105 hours
- Portable Freezer (120W): 52.8 hours
- Router + Modem (30W): 74.0 hours
- 55" TV (120W): 18.5 hours
- Space Heater (750W): 4.9 hours
Pros
- Strong Battery Lifespan Cycles: 4000
- Strong Ac Wave Quality: Pure Sine Wave
- Strong Portable: Yes
- Strong Expandable Capacity: Yes
- Strong Fast Charging: Yes
Cons
- Low Energy Density Wh Per Kg: 48.7
- Low Ac Charge Speed: 1800
- Low Weight: 53.6
- Low Ups Switch Time: 20ms
Best For
Not Recommended
Solar SetupBudget CampingWhole Home Backup
Technical Score Breakdown
AC Power100
Warranty100
Charging77
Price60.7
Connectivity100
Battery92.4
Physical65.1
Advanced Features58.9
Capacity Position
Yoshino B4000 SST
90 Wh2,611 Wh6,144 Wh
Technical Specifications
Product Info
Product Url
https://yoshinopower.com/products/b4000-solid-state-portable-power-station
Brand
Yoshino
Model Name
B4000 SST
Physical
Energy Density Wh Per Kg
48.7
Dimensions
54.4 x 25.9 x 23.9 cm
Noise Level
<50 dB
Operating Temp
Discharge: -0.4 to 140F (-18 to 60C); Charge: 32 to 131F (0 to 55C)
Weight
53.6
Portable
Yes
Price
Price Description
Sale $2,499 (reg. $3,299)
Base Price
2499.00
Cost Per Wh
0.96
AC Power
Ac Output Amps
2 outlets 120VAC/20A max each + TT-30R 120VAC/30A, 4000W total
Ac Power Continuous
4000
Ac Wave Quality
Pure Sine Wave
Charging
Solar Connector Type
MC4 to XT60
Solar Panel Compatibility
Yoshino SP200 (up to 3x SP200 = 600W)
Max Solar Panels
3
Charger Type
AC wall (1800W), Car (12V), Solar (MC4/XT60), GaN bidirectional inverter
Ac Charge Speed
1800
Max Solar Input
600
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 PD: 100W; USB-C: 20W; USB-A: 2 ports 12W each; Wireless: 2x 15W Qi; 48V DC output
Battery
Extra Battery Capacity
2562
Max Extra Batteries
2
Battery Capacity Wh
2611
Battery Lifespan Cycles
4000
Expandable Capacity
Yes
Advanced Features
Parallel Expansion
No
Ups Functionality
Yes
Ups Switch Time
20ms
Connectivity
Wireless Charging
Yes
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 | ||||
|---|---|---|---|---|
| Overall score | 61.1 | 60.4 | 53.5 | 52.2 |
| Capacity | 2,611 Wh | 2,048 Wh | 2,419 Wh | 2,048 Wh |
| AC output | 4,000 W | 2,400 W | 2,200 W | 2,400 W |
| Weight | 53.6 kg · 118.2 lbs | 56.2 kg · 123.9 lbs | 61.3 kg · 135.1 lbs | 55 kg · 121.3 lbs |
| Battery cycles | 4,000 | 3,000 | 3,000 | — |
| UPS switch time | — | — | — | 10 ms |
| Max solar input | 600 W | 1,200 W | 800 W | — |
| Price | $2,499 | $2,000 | $2,499 | $2,399 |
| Cost per Wh | $0.96/Wh | $0.98/Wh | $1.03/Wh | $1.17/Wh |
Green value + dot = best in that row. Similar models selected from the same capacity tier, priced within ±40%.



