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BLUETTI SolarX 4K | World’s First 4kW Solar Charge Controller

Flexible to Charge, Efficient to Power

Earn BLUETTI Bucks to unlock more perks.
  • 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.

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SolarX 4K+P090D | For Single Apex 300 Use

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BLUETTI SolarX 4K | World’s First 4kW Solar Charger Controller

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Seamless Solar Compatibility, Supercharged

Scalable Solar Power, 4 kW to 12 kW

Apex 300 + B300K
2*Apex 300 + 4*B300K + 2*SolarX 4K
3*Apex 300 + 9*B300K + 3*SolarX 4K + AT1

Charge to full in just 1.9 hours with 4,000 W of 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.

Charge Your BLUETTI System, Your Way

Control Your Solar Power Anywhere, Anytime

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