SOLID STATE PORTABLE POWER STATION – B400 SST

$ 3.299
Reference price in foreign markets

Discover the pinnacle of portable power with Yoshino’s B4000 SST. Delivering 4000W with a class-leading power-to-weight ratio, it’s perfect for home backup or RV use. Recharge from 0-80% in just over an hour with our advanced solid-state battery. Power your journey with Yoshino.

Model: B4000 SST

  • Industry-Leading Li-NCM Solid-State Battery - Compact and High-Density
  • Unmatched Power for Home Use - 2611Wh Capacity at 4000W Rated Output
  • Fast Charging Capability– 80% in Only 90 Minutes (1800W AC)
  • Long Battery Life - Charge & Discharge 4000+ Cycles to 80% Capacity
  • Functional in Extreme Temperatures - Reliable Operation at -0.4℉
  • Never Run Out of Power - 20Ms UPS for A Reliable 24/7 Emergency Power Supply

Power Beyond Your Adventure
Industry-Leading Solid-State Technology

Thanks to cutting-edge solid-state technology, the Yoshino B4000 SST offers enhanced, stable power output in a compact form with twice the energy density of LiFePO4 batteries.

Nguồn Năng Lượng Đáng Tin cậy
Power All the Time
Count on the Yoshino B4000 SST to power your essential devices during emergency power outages such as hurricanes, earthquakes, and other catastrophic events with 20ms UPS for a reliable 24/7 power supply.
Quality You Can Trust
The B4000 is built to last, with a 5 year warranty and ETL certification that ensure its quality, reliability, and compliance with industry standards.
Go Solar. Go Greener.
The maximum solar input of 600W makes it highly efficient to recharge your power station. Power your eco-friendly lifestyle with renewable solar energy, whether you're at home, on the road, or on the job site.
Powering All Your Adventures
Từ những chuyến đi cắm trại đến các sự kiện ngoài trời và các tình huống khẩn cấp, nhà máy điện này đều có thể hỗ trợ bạn. Với thiết kế di động và các tùy chọn sạc đa dạng, B660 là người bạn đồng hành hoàn hảo cho mọi hoạt động ngoài trời của bạn.
Multiple Ways to Recharge
The B4000 lets you charge your power station using three different methods. Simultaneously power your devices while you recharge using either AC power, DC power, or solar panels. Whether you're at home, on the road, or outdoors, you can power up your way and stay connected.
AC Charging
Car Charging
Solar Charging
Versatile Charging for All Your Devices
The B4000 is designed to power up all your devices with ease and efficiency. With multiple ports, including two USB-C ports and two wireless charging pads, you can charge a wide range of devices simultaneously.
Effortless Control at Your Fingertips

Check your power station’s status, charge levels, runtime, and settings right on your phone. The Yoshino App puts you in complete control of your portable power

What’s in the Box
  • B4000 SST Portable Power Station
  • AC Recharge Adapter (5.9ft / 1.8m)
  • Cigarette Car Charging Cable (9.8ft / 3m)
  • Solar Charging Cable MC4 to XT60 (9.8ft / 3m)
  • DC5521 to Cigarette Car Female Output Cable (1.6ft / 0.5m)
  • User Manual
Tech Specs
Comprehensive details outlining the specifications and features of the B4000 product.
  • Capacity: 2611Wh; 48.36V, 54Ah
  • AC Output: 4000W Continuous; 6000W Peak (Pure Sine Wave)
  • Net Weight: 53.6 lbs / 24.3 kg
  • Dimensions: 21.4 x 10.2 x 9.4 in / 543 x 260 x 240mm
  • Warranty: 5 Years
  • AC Output: 2 Outlets, 120VAC/20A Max Each Port, TT-30R Outlet, 120VAC/30A Max, 4000W Total
  • Wireless Charging: 2 Ports, 5VDC/1A, 9VDC/1.1A, 12VDC/1.25A, 15W Max Each Port
  • 12V DC Output: 2 Ports, 12.6VDC/10A, 126W Total
  • USB-C Output: 5VDC/3A, 9VDC/2.22A, 12VDC/1.66A, 20W Max
  • USB-C PD Output: 5-15VDC/3A, 20VDC/5A, 100W Max
  • USB-A Output: 2 Ports, 5VDC/2.4A, 12W Each Port
  • AC Input: 100-120VAC, 50/60Hz, 1800W Max
  • Solar Input: 12-60VDC/10A Max, 600W Max
  • Car Input: 12VDC/10A, 120W Max
  • Battery Type: Solid-State Li-NCM
  • Pass-through Charging: Yes
  • Cycle Life: 4000 Cycles to 80% Capacity
  • Shelf Life: Recharge to 80% Every 3-6 Months
  • APP Control: Yes
  • LED Light Bar: Yes
FAQS

The B4000 uses a solid-state Li-NCM 54A battery, which provides reliable and long-lasting power.

The B4000’s AC output ports can power most household appliances. However, before connecting an appliance, please make sure that the power of the appliance is within the rated power (4000W rated / 6000W max) of the power station to ensure safe operation.

You can check the charging time shown on the B4000’s LCD Screen. This can help you estimate the charging time of most appliances. For a more detailed calculation, see below:

You can calculate how long your device will last when powered by the B4000, by taking into account the limits imposed by the B4000’s depth of discharge (95%) and inverter efficiency rate (90%).

(Power Station Capacity × Depth of Discharge × Inverter Efficiency) ÷ Device Rated Power

So for example, a 60W CPAP machine hooked up to the B4000:

(2611 Wh × 0.95 × 0.9) ÷ 60W = 37.21

So, in this case, the B4000 can power the CPAP machine for almost 37.21 hours

Yes, the B4000 SST can charge and discharge at the same time.

Yes, the B4000 SST has fan(s) that will automatically turn on to keep the unit from overheating.

When the product is charging, the charging indicator icon will flash, and the remaining time will be shown on the LCD screen

Use a soft dry towel to wipe gently across all surfaces

If your portable power station is not going to be used for extended periods of time, power off the unit and disconnect the AC adapter from the outlet. Store it in a safe dry place with a temperature of 32-104°F / 0-40°C and humidity within 90%. Every 3-6 months charge the product to at least 80% to protect its battery life

Customer support is available: Monday - Friday 8am - 4:30pm PST
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