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Overview

Yoshino Solid-State Portable Solar Generator 4,000W / 6,000W Peak (2,611Wh) with 600W (3x 200W) Portable Solar Panels, Recreation, Camping, Emergency

Yoshino B4000 SST 11-Port Solid-State Solar Generator 2611Wh, 4000W with 3-Piece Solar Panels (600W) Emergency UPS Backup Battery, Pure Sine Wave, Smart App Connect

Model: DTA-K40SP23
Web Code: 17739267
Sold and shipped by | 4.7 seller rating (35 reviews)

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Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • (1) AC Recharge Cable, (1) Cigarette Car Charging Cable, (1) CigaretteCar Female Output Cable, (1) Solar Charging Cable MC4 to XT60, (2) foldable Yoshino portablesolar panels, (1) standard MC4 solar connection cable, (2) User Manuals

Delivering an impressive 4,000W of Pure Sine Wave AC output power with a 2,611Wh capacity, the B4000 SST redefines portable energy solutions for IT professionals, businesses, and recreational users alike. Designed for optimal performance, its Pure Sine Wave output ensures clean, stable power with low Total Harmonic Distortion (THD), making it safe for sensitive electronics, IT equipment, and high-precision devices.

The K40SP23 is equipped with UPS (Uninterruptible Power Supply) mode, ensuring seamless emergency power during outages and protecting critical systems such as routers, servers, and refrigerators from downtime. Due to the larger battery capacity this unit will offer extended runtime on your devices compared to traditional UPS systems that are much smaller. A robust Battery Management System (BMS) adds an extra layer of security, protecting the unit from over-voltage, over-current, short circuits, and thermal irregularities, ensuring long-lasting, reliable performance.

This power station features one fixed 15-watt wireless charging pad, compatible with devices like the iPhone 16 Pro, Galaxy S25, and other smart devices, allowing simultaneous charging while powering additional electronics or tools. Its versatile control panel offers 9 ports (AC, DC, RV-30A, USB-A, and USB-C) USB-C PD is perfect for charging tablets and laptops efficiently and quickly. It has 2 wireless charging pad and 9 ports, which gives you 11 total connection options, making it ideal for powering a wide range of devices and workstation setups like computers, monitors, and printers. It can also be used recreationally for activities such as camping and small events, or as emergency power for homes and off-grid living.

The K40SP23 integrates advanced solid-state technology with optional Wi-Fi and Bluetooth-enabled app control for remote monitoring and configuration. A bright LED light adds convenience in low-light or nighttime scenarios. The Smart Link feature allows capacity expansion, supporting up to 16 additional battery modules for an impressive 10-40kWh capacity, making it perfect for extended off-grid use or high-demand applications.

Yoshino's portable solar generator can quickly charge during the day using the sun's power via the three included 200W solar panels, greatly reducing your carbon footprint. Perfect for eliminating high energy costs on living expenses and camping or off-grid lifestyles. Each Yoshino 200W solar panel possesses an MC4 connector, enabling users to pair them in series for increased output and efficiency.

Recharging is efficient and versatile: 0-100% in just 90 minutes via AC power, 5.5 hours with optional fast solar charging, and 22 hours via car charging. Completely silent, with zero gas emissions and harmful fumes, the K40SP23 is an environmentally friendly and reliable power solution. Whether supporting critical IT systems, providing emergency backup, or enabling off-grid independence, this lightweight, portable, and powerful unit ensures your devices stay powered and protected in any scenario.

Product Condition
Brand New

Solar Panel

Solar Panel Wattage
200 W
Solar Panel Cell Type
Monocrystalline
Maximum Watts
6000 W
Solar Panel Voltage
21.8V
Converting Efficiency
23 %
Solar Panel Operating Temperature Range
(-10-70℃)
Chainable (Solar Panel)
Yes

Solar Panel Output

Total number of Output Ports (Solar Panel)
1
Solar Panel Output Port 1
MC4

Power Pack

Power Pack Operating Temperature Range
(0 to 40°C)
Running Watts
4000 W
Chainable (Power Pack)
Yes
Certifications (Power Pack)
CE / ETL / FCC / RoHS / UN38.5
Solar Panel(s) Included
Yes
Carry Handle(s)
Yes
Rolling Capabilities
No
Charging from Solar Panels
Yes
Charging from Wall Outlet
Yes
Charging from Car Charger
Yes
Charging from USB
Yes
Charge from Wind
No
Charge from Heat
No

Power Pack Input

Total number of Input Ports (Power Pack)
4
Power Pack Input Port 1
AC 1800W
Power Pack Input Port 2
Car Charging 120W
Power Pack Input Port 3
100 W (SP100) or 200 W (SP200) Solar Charging

Power Pack Output

USB-A Output
Yes
USB-C Output
Yes
AC Output
Yes
Car Charger Output
Yes
Total number of Output Ports (Power Pack)
11
Power Pack Output Port 1
(AC pure sine wave, 120V)
Power Pack Output Port 2
(DC 12V)
Power Pack Output Port 3
(USB-A 5V)
Power Pack Output Port 4
(USB-Type C 20W)
Power Pack Output Port 5
(Type C PD 100W output, 60W input)
Power Pack Output Port 6
( Wireless Charging Pad 15W)

Battery

Battery Type
Lithium-Ion (Li-Ion)
Type
Portable Power Staion
Capacity
2,611 Wh Wh
Life-Span
(2500 Cycles)

Solar Cell Dimension

Solar Cell Width
182.88 cm
Solar Cell Height
78.7 cm
Solar Cell Weight
8.5 kg

Power Pack Dimension

Power Pack Width
38 cm
Power Pack Height
40 cm
Power Pack Depth
66 cm
Power Pack Weight
29 kg
Weight (lbs)
53.6 lb

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders over $46 (before taxes, fees, and promo codes).

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Sports and recreation products
Return/Exchange Period
30 days
Condition
Opened