BLUETTI SolarX 4K Solar Charge Controller MPPT 80A 150-500V

The BLUETTI SolarX 4K delivers up to 4kW of fast solar charging for the Apex 300 and compatible B300-series, AC300, and AC500 systems. It supports 150V–500V solar arrays, safely converts the voltage to below 60V, and uses isolated MPPT technology to maximise energy collection while protecting connected equipment.

Availability:
Out of stock
SKU:
SolarX 4K
Vendor:
Bluetti

Quantity

£399.00

£699.00 42% OFF

BLUETTI SolarX 4K Solar Charge Controller MPPT 80A 150-500V

£399.00

£699.00 42% OFF

Bluetti SolarX 4K

Compatibility: Apex 300, B300, B300K, B300S, AC300, AC500
Ultra-Fast Solar Charging: Delivers up to 4 kW of solar power, so your BLUETTI batteries charge faster and your devices stay powered longer, even off the grid.
Universal Solar Support: Supports solar panels from 150 V to 500 V, safely stepping down to below 60 V for effortless, worry-free charging.
Reliable & Safe Power: MPPT technology with isolation ensures steady performance, maximizes solar energy, and protects your devices.

Output

Output Power: 4,000 W
Max. Output Voltage: 58V
Min. Output Voltage: 35V
Max. Output Current: 80A
Communication Interface: RJ45

Input

Max. Input Power: 4,200 W
Open-Circuit Voltage: 500 VDC
Startup Voltage: 150 VDC
MPPT Operating Voltage: 120 VDC to 450 VDC
Number of MPPT: 1
Rated Input Current: 13A
Max. Input Current: 17A

General

MPPT Efficiency: 99% Max.
Connectivity: CAN 2.0/Bluetooth/Wi-Fi
Overtemperature Protection: 55°C (131°F)
Storage Temperature: -20°C to 55°C (-4°F to 131°F)
Operating Temperature: -20°C to 55°C (-4°F to 131°F)
Operating Humidity: 10% to 90% RH
Operating Altitude: ≤ 2,000 m (6,562 ft)
Noise Level: 52 dB
Cooling Method: Air Cooling
Protection Grade: IP21
Net Weight: 7.6 kg (16.8 lbs)
Dimensions (L × W × H):288.4 × 474.0 × 90.2 mm(11.35 × 18.66 × 3.55 in)

Seamless Solar Compatibility, Supercharged

Meet the world's first 4 kW solar charge controller. The BLUETTI SolarX 4K takes 150–500 V from nearly any rooftop or ground array and converts it into safe, sub-60 V charging for BLUETTI power stations—up to 4,000 W. 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.

BLUETTI SolarX 4K Solar Charge Controller MPPT 80A 150-500V

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.

Charge Your BLUETTI System, Your Way

SolarX 4K works seamlessly with a wide range of BLUETTI power stations and battery packs, from Apex 300 and AC300 to AC500, B300K, B300, and B300S. Whether you're charging one unit, several at once, or mixing stations with batteries, SolarX 4K delivers safe, efficient, and flexible solar charging tailored to your setup.*For details, please refer to the FAQs.

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.

What's Included

SolarX 4K Solar Charge Controller × 1
Hex Socket Wrench × 1
Fixing Screw (ST4.8) × 8
Grounding Screw (M5) × 3
Anchor × 8
Knockout Connector × 1
OT Terminal (for grounding) × 3
Documentation × 1

Free Delivery

Free Delivery for mainland UK

PLEASE NOTE:

Free shipping is by dpd and only for addresses on mainland UK.

All BT, Northern Ireland, Northern Scotland, Highlands BT / PH / IV / KW / AB / IM / Isles postcodes will incur an additional £20.00 charge for delivery.

Additional Postage Payable for Shipping to

Northern Ireland
Highlands
Northern Scotland
Scottish Isles
Isle of Man
Orkney
Shetland

Warranty

Covered with official 2 Years Warranty

Warranty Period

BLUETTI warrants that the product will be free from defect in workmanship and material to the original consumer purchaser.
The warranty period starts on the date of purchase by the original consumer purchaser,
For the product of portable power station, the warranty period varies from 24 months to 72 months.
For the product of home backup system, the warranty period varies from 48 months to 60 months.
For the product of solar panel and accessories as cable, charger etc, 12 months is provided for the warranty service.
No warranty for gifts product and Warranty period may vary by country subject to local laws and regulations.

Warranty Statement

Any defects in material, workmanship of your product will be covered after you provide any valid proof of purchase and information including but not limited to:
A purchased order number made through BLUETTI official stores.
Sales invoice or order confirmation email that clearly shows the description of the product, its price, and sales channel.

Note: The limited warranty is restricted to the country of purchase. The warranty will be invalid on the items once they are taken or shipped to other countries.

Exclusions of Warranty

Misused, abused, damaged by accident or damaged due to force majeure (e.g. lightning strikes, tornadoes, hurricanes, etc.);
Unauthorised modification, repair, dis-assembly or operation not in accordance with the official instructions or manuals;
Use for special application other than normal consumer use;
Any defect or damage caused by exposure to excessive heat, cold, liquids or other external causes;
Invalid proof of purchase;

Warranty period expired

The battery model on the warranty certificate does not match the actual item
Product wear and tear through the usage of time.

BLUETTI SolarX 4K Solar Charge Controller MPPT 80A 150-500V

BLUETTI SolarX 4K Solar Charge Controller MPPT 80A 150-500V