Product Description

The Yoshino B4000 SST Solid-State Portable Power Station 2611Wh 4000W Continuous Output Backup Battery is a high-capacity portable power solution built for home backup, emergency power, outdoor use, camping, RV travel, job sites, and off-grid power needs. Designed with advanced solid-state battery technology, a large 2611Wh battery capacity, and strong 4000W continuous output, this power station delivers reliable electricity for essential devices, appliances, tools, and electronics when grid power is unavailable.

With its 4000W continuous power output, the Yoshino B4000 SST is made to handle demanding power needs such as refrigerators, microwaves, coffee makers, power tools, computers, lights, fans, medical-support devices, entertainment equipment, and other household or outdoor electronics. The high output makes it suitable for both daily backup use and emergency preparedness.

The 2611Wh battery capacity provides long-lasting stored energy for extended runtime, helping users keep important devices powered during outages, travel, remote work, or outdoor activities. Its portable design allows the unit to be moved where power is needed, while the clean battery-powered operation means no gasoline, no fumes, and no loud engine noise.

The solid-state battery design is one of the key advantages of this unit. Compared with traditional battery systems, solid-state technology is designed to support improved safety, longer service life, strong performance stability, and dependable energy storage. This makes the B4000 SST a premium choice for customers who want a modern backup power station with powerful output and advanced battery construction.

The Yoshino B4000 SST is ideal for customers who want a premium portable power station for home backup, RV use, emergency power, outdoor work, camping, and high-demand power needs. This product is brand new, includes free shipping all over the USA, and comes with a 3 Years Limited Warranty.

Key Features

2611Wh Battery Capacity

Large 2611Wh capacity provides extended backup power for appliances, electronics, tools, lights, and emergency devices.

4000W Continuous Output

Strong 4000W continuous power output supports high-demand devices and multiple electronics at the same time.

Solid-State Battery Technology

Advanced solid-state battery design supports premium safety, stable performance, and long-term power reliability.

Portable Backup Power

Designed for home backup, RV travel, camping, outdoor work, job sites, and emergency power situations.

Clean Electric Operation

Battery-powered design runs without gasoline, fumes, oil changes, or engine noise.

Emergency Home Power Support

Useful during power outages for refrigerators, fans, lights, phones, routers, laptops, and essential home electronics.

High-Power Appliance Compatibility

The 4000W output makes it suitable for many larger appliances and power tools within rated limits.

Quiet Power Delivery

Runs much quieter than a gas generator, making it suitable for indoor-safe battery backup use and quiet outdoor settings.

Multiple Device Support

Designed to power multiple devices at once through AC, DC, USB, and charging ports depending on user setup.

RV and Camping Friendly

Great for powering campsite electronics, cooking devices, portable refrigerators, lights, fans, and charging stations.

Low-Maintenance Design

No fuel storage, no carburetor cleaning, no spark plugs, and no engine servicing required.

3 Years Limited Warranty

Includes a 3 Years Limited Warranty for added customer confidence.

Technical Specifications

Outlet Configuration

Backup Power Configuration

What’s Included

Ideal Applications

The Yoshino B4000 SST Solid-State Portable Power Station is ideal for home backup, emergency preparedness, power outages, RV travel, camping, outdoor work, mobile offices, job sites, photography setups, small appliances, refrigerators, Wi-Fi routers, laptops, phones, tablets, fans, lighting, power tools, and off-grid power support.

It is especially useful for customers who want a powerful battery backup system without the noise, fumes, and maintenance of a gas generator.

Warranty Information

This product includes a 3 Years Limited Warranty. Warranty coverage applies to eligible manufacturer defects under normal approved use. Warranty does not cover misuse, improper charging, water damage, impact damage, overheating caused by improper ventilation, unauthorized modification, cosmetic wear, accidental damage, or use outside rated power limits.