BLUETTI SolarX 4K Solar Charge Controller
SKU: 75779325521

BLUETTI SolarX 4K Solar Charge Controller

$566.55 $629.50
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

BLUETTI SolarX 4K Solar Charge ControllerSeamless Solar Compatibility, Supercharged Meet the world's first 4kW solar charge controller. The BLUETTI SolarX 4K takes 150500V from nearly any rooftop or ground array and converts it into safe, sub 60V charging for BLUETTI power stationsup to 4,000W. That means faster charging, more stored energy, and reliable power whether you're backing up your home, running an off grid cabin, or building your own solar farm. Scalable Solar Power, 4 kW to 12 kW

Seamless Solar Compatibility, Supercharged

Meet the world's first 4kW solar charge controller. The BLUETTI SolarX 4K takes 150–500V from nearly any rooftop or ground array and converts it into safe, sub-60V charging for BLUETTI power stations—up to 4,000W. That means faster charging, more stored energy, and reliable power whether you're backing up your home, running an off-grid cabin, or building your own solar farm.

Scalable Solar Power, 4 kW to 12 kW

SolarX 4K lets you decide how much solar power fits your life. Use one unit to cover daily essentials, or scale up to three for your whole home. It connects to your existing solar setup via AC coupling, keeping BLUETTI's DC input ports free for extra panels, so you get more energy, faster, without tying up your system.

Apex 300+B300K+SolarX 4K

Charge to full in just 1.9 hours with 4,000 W solar, fast enough to keep lights, small appliances, and everyday devices ready when needed.

Note: Data tested by BLUETTI Labs. Actual charging times may vary

2x Apex 300 + 4x B300K + 2x SolarX 4K

8,000 W solar delivers reliable energy for larger appliances, power tools, and extended off-grid living.

3×Apex 300 + 9×B300K + 3×SolarX 4K

Scale to 12 kW, plus 7.2 kW from extra panels for a total of 19.2 kW, enough for heavy loads like central air conditioners, refrigerators, or a full home backup.

Control Your Solar Power Anywhere, Anytime

Easily monitor your system in real-time, receive firmware updates, and troubleshoot instantly, all from the BLUETTI app, giving you complete control wherever you are.

Tech Specs

INPUT

Max. Input Power4,200 W
Open-Circuit Voltage500 VDC
Startup Voltage150 VDC
MPPT Operating Voltage120 VDC to 450 VDC
Number of MPPT1
Rated Input Current13 A
Max. Input Current17 A

OUTPUT

Output Power4,000 W
Max. Output Voltage58 V
Min. Output Voltage35 V
Max. Output Current80 A
Communication InterfaceRJ45

GENERAL

MPPT Efficiency99% Max.
ConnectivityCAN 2.0/Bluetooth/Wi-Fi
Overtemperature Protection55°C (131°F)
Operating Humidity-20°C to 55°C (-4°F to 131°F)
Operating Altitude≤ 2,000 m (6,562 ft)
Noise Level52 dB
Cooling MethodAir Cooling
Net Weight7.6 kg (16.8 lbs)
Protection GradeIP21
Dimensions (L × W × H)288.4 × 474.0 × 90.2 mm
Warranty2 Years

IN THE BOX

SolarX 4K

x 1

P090D

x 1

Hex Socket Wrench

x 1

Fixing Screw (ST4.8)

x 1

Grounding Screw (M5)

x 1

Anchor

x 1

Knockout Connector

x 1

OT Terminal

x 1

Documents

x 1
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 75779325521

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4.9 ★★★★★
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Product Reviews
M
Verified Purchase
Michael Grant
Omaha, US
★★★★★ 4
Good stuffed animal toy
Color: gray & blue, Color: gray & blue
This is a good toy. But it's not big as the picture shows it's rather small. Looking for bigger toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
L
Verified Purchase
Leslie Van Dyk
Carnegie, US
★★★★★ 5
My dog loves this guy!!
Color: gray & pink
This is the cutest little guy and my dog loves him. He knows him by name, he is tough and holds up incredibly well. My dog can give it a good chew but no problem! Make more cute ones and we will give them all names for him to play with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
E
Verified Purchase
Ellie Calles
Lake Worth, US
★★★★★ 5
She liked it.
Color: gray & pink
My dog loved this, its small, I was expecting bigger but its cute. She likes playing with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
N
Verified Purchase
Nightingale1221
Port Orchard, US
★★★★★ 5
Cute and well loved.
Color: gray & pink, Color: gray & pink
My dog gives this 5 stars because she loves to destroy stuffies and this was no exception. She immediately removed the ears and tail, along with the little nubs that were supposed to be nostrils. I give is a few points because she still hasn't removed any legs. I thought it was so cute, and it is far less cute since my dog has had her way with it. She still loves it however…so it is a winner in our book. The photo is after only a couple hours of play
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 9, 2025
R
Verified Purchase
Rachel
Cuba, US
★★★★★ 4
Not for big dogs
Color: gray & pink
This toy is holding up well most of the dog I have are in pieces all over the house
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026

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