YoshinoYoshino B4000 SST
YoshinoYoshino B4000 SST
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- Strong Battery Lifespan Cycles: 4000
- Strong Ac Wave Quality: Pure Sine Wave
- Strong Portable: Yes
- Strong Expandable Capacity: Yes
- Strong Fast Charging: Yes
- Low Ac Charge Speed: 1800
- Low Weight: 53.6
- Low Ups Switch Time: 20ms
- Low Energy Density Wh Per Kg: 48.7
Pick an activity to see how long Yoshino B4000 SST powers a typical loadout.
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
Yoshino B4000 SST scores 74.3 out of 100 in the AGB database, placing it #98 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 Ac Charge Speed: 1800; Low Weight: 53.6. Read the full Yoshino Yoshino B4000 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.
AC Power
Charging
DC Power
Physical
Battery
Advanced Features
Connectivity
Warranty
Side‑by‑side specs vs 3 similar models in the same capacity and price range.
| Spec | |  |  |  |
|---|---|---|---|---|
| 74.3 | 72.7 | 64.8 | 64.6 | |
| 2,611 Wh | 2,048 Wh | 2,048 Wh | 2,419 Wh | |
| 4,000 W | 2,400 W | 2,400 W | 2,200 W | |
| 53.6 kg · 118.2 lbs | 56.2 kg · 123.9 lbs | 55 kg · 121.3 lbs | 61.3 kg · 135.1 lbs | |
| 4,000 | 3,000 | — | 3,000 | |
| — | — | 10 ms | — | |
| 600 W | 1,200 W | — | 800 W | |
| $2,499 | $2,000 | $2,399 | $2,499 | |
| $0.96/Wh | $0.98/Wh | $1.17/Wh | $1.03/Wh |
Green value + dot = best in that row. Similar models selected from the same capacity tier, priced within ±40%.
How long does the Yoshino B4000 SST run a mini fridge for emergency preparedness?
About 105 hours on a 60W mini fridge (modeled at a 35% duty cycle).
How long does the Yoshino B4000 SST run a cpap machine for emergency preparedness?
About 61.6 hours on a 40W cpap machine (modeled at a 90% duty cycle).
How long does the Yoshino B4000 SST run a mini fridge for van life?
About 105 hours on a 60W mini fridge (modeled at a 35% duty cycle).
How long does the Yoshino B4000 SST run a 12v water pump for van life?
About 74.0 hours on a 100W 12v water pump (modeled at a 30% duty cycle).
How long does the Yoshino B4000 SST run a mini fridge for overlanding?
About 105 hours on a 60W mini fridge (modeled at a 35% duty cycle).
How long does the Yoshino B4000 SST run a led light panel for overlanding?
About 22.2 hours at a steady 100W draw.
How long does the Yoshino B4000 SST run a circular saw for job sites?
About 1.2 hours at a steady 1800W draw.
How long does the Yoshino B4000 SST run a corded drill for job sites?
About 3.2 hours at a steady 700W draw.
How long does the Yoshino B4000 SST run a mini fridge for home backup?
About 105 hours on a 60W mini fridge (modeled at a 35% duty cycle).
How long does the Yoshino B4000 SST run a router + modem for home backup?
About 74.0 hours at a steady 30W draw.