Yoshino B4000 SST New Solid-State Portable Power Station

Next-Generation Portable Power with Solid-State Technology

The Yoshino B4000 SST is a cutting-edge solid-state portable power station engineered for high performance, safety, and reliability. Delivering an impressive 2,611Wh capacity and 4,000W continuous output (6,000W peak), this compact powerhouse is designed to handle demanding applications — from home backup to off-grid adventures.

Weighing just 53.6 lbs, the B4000 SST offers an exceptional balance of portability and power, making it ideal for camping, RV use, emergency preparedness, and jobsite tools.

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Advanced Solid-State Technology (SST)

Unlike traditional lithium-ion power stations, the B4000 SST uses innovative solid-state battery technology. This design improves safety, reduces weight, and enhances durability.

• More compact and lighter construction
• Increased safety compared to conventional lithium-ion
• Designed for long-term reliability

Rated for up to 2,500 charge cycles, this unit is built to provide years of dependable service.

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4,000W of Continuous Power

With 4,000 watts of continuous output and 6,000 watts of peak surge power, the B4000 SST can power:

• Refrigerators and freezers

• Power tools and workshop equipment

• RV appliances

• Home electronics

• Medical devices

Its high output makes it a true home backup solution — not just a small camping battery.

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2,611Wh High-Capacity Battery

The large-capacity battery provides extended runtime, ensuring your essential devices remain powered during outages or extended outdoor trips.

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Expandable Power with Smart Link

Need even more capacity? The Smart Link system allows you to connect additional battery units to expand total storage without limits, making it adaptable for larger backup systems or extended off-grid use.

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11 Charging & Output Options

The versatile control panel includes:

• AC outlets

• DC outputs

• USB-A ports

• USB-C (20W)

• USB-C PD (100W)

• Two 15W wireless charging pads

Power multiple devices simultaneously with ease.

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Fast & Flexible Recharging

Choose from three convenient charging methods:

• Fast AC charging (approx. 90 minutes)

• Solar charging (approx. 5.5 hours, depending on input)

• 12V car charging (approx. 22 hours)

This flexibility ensures you can recharge wherever you are.

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Smart Control & Quiet Operation

With built-in Wi-Fi and Bluetooth connectivity, the Yoshino app allows remote monitoring and control from your smartphone.

The B4000 operates quietly and produces zero emissions — no fuel, no fumes, and no engine noise — making it perfect for indoor backup or outdoor use.

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Built-In Safety Protections

Integrated protection systems guard against:

• Over-voltage

• Over-current

• Overcharging

• Short circuits

• Thermal overload

Engineered for safe, stable power delivery in demanding conditions.