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Description
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.
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.
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 in the box:
• SolarX 4K
• P090D
• Hex Socket Wrench
• Fixing Screw
• Grounding Screw (M5)
• Anchor
• Knockout Connector
• OT Terminal
• Documents
Specifications:
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: 13 A
Max. Input Current: 17 A
OUTPUT
Output Power: 4,000 W
Max. Output Voltage: 58 V
Min. Output Voltage: 35 V
Max. Output Current: 80 A
Communication Interface: RJ45
GENERAL
MPPT Efficiency: 99% Max.
Connectivity: CAN 2.0/Bluetooth/Wi-Fi
Overtemperature Protection: 55°C (131°F)
Operating Humidity: -20°C to 55°C (-4°F to 131°F)
Operating Altitude: ≤ 2,000 m (6,562 ft)
Noise Level: 52 dB
Cooling Method: Air Cooling
Net Weight: 7.6 kg (16.8 lbs)
Protection Grade: IP21
Dimensions (L × W × H): 288.4 × 474.0 × 90.2 mm
Warranty: 2 Years
Shipping
Not at this stage. We only ship NZ wide.
All orders are sent as tracked deliveries and you will be provided your tracking number when your order is dispatched. Please allow 5 - 10 days for delivery and up to 15 working days for rural orders. We are reliant on courier schedules.
We've kept our Shipping Policy as simple as possible:
- Non-Rural: $10 North Island and $15 South Island
- Rural: $10 additional to North and South Island
Refund
We always aim for make sure our customers love our products, but if you do need to return an order, we’re happy to help.
Returns can be returned for store credit within 14 days provided the goods are unopened with no damage to the items or packaging. Freight costs will not be credited. Your proof of purchase will be required to complete the return.
For more information check out our Returns Policy
Please contact Cycletreads if you wish to initiate a return within the 14 day period.
Please note that there are exceptions to this policy where hygiene issues prevent return.
Please review our policy here
Any questions?
If we still haven't answered your question, you can contact us below and we will get back to you as soon as possible.