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BLUETTI SolarX 4K Solar Charge Controller

Power that adapts — from home to RV to off-grid

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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.

Product Model

For Single Apex 300 Use

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Swift Delivery

Global Warranty

Lifetime Support

Seamless Solar Compatibility, Supercharged

Scalable Solar Power, 4 kW to 12 kW

Apex 300+B300K+SolarX 4K
2×Apex 300 + 4×B300K + 2×SolarX 4K
3×Apex 300 + 9×B300K + 3×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

Charge Your BLUETTI System, Your Way

Control Your Solar Power Anywhere, Anytime

Easy Steps to Install

Tech Specs

IN THE BOX

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