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BLUETTI SolarX 4K Solar Charge Controller + P090D Adapter Cable product image
Charge controllers

SolarX 4K Solar Charge Controller + P090D Adapter Cable

BLUETTI

BLUETTI SolarX 4K is a 4,000W MPPT solar charge controller that accepts 150–500V PV input and steps it down below 60V for compatible BLUETTI systems.

Model details

Key information for this model.

Use the verified specifications below as a research starting point, then confirm the exact regional version on the manufacturer page before buying.

Maximum solar charging4,000W
PV input range150–500V
Regulated outputBelow 60V
ControllerMPPT with electrical isolation
Verified configurationSolarX 4K + P090D adapter cable
Supported familyApex 300, B300/B300K/B300S, AC300, AC500
Best for

Where it fits.

High-power rooftop or ground-array charging for a single Apex 300 or other supported BLUETTI systems using the correct SolarX adapter configuration.

Watch for

Limits to check.

This exact verified U.S. product configuration includes the P090D adapter cable for single Apex 300 use. Other BLUETTI systems can require a different adapter or system topology.

Compatibility

System fit.

The verified P090D configuration is intended for single Apex 300 use. BLUETTI lists wider SolarX 4K compatibility, but other hosts may require another adapter cable or connection arrangement.

Warranty

Coverage note.

BLUETTI manufacturer warranty applies; verify current SolarX 4K warranty and adapter coverage at purchase.

Next checks

Useful next steps for this model.

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01

Official product information

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02

Compare alternatives

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03

Plan around the job.

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04

Local help

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Source & buying note

Confirm the exact regional model before buying.

Manufacturer pages, regional SKUs and specifications can change. Use the source links below to confirm the exact model and local version before placing an order.

Information checked: 2026-09-03

Market note: United States / regional offers mapped separately

Official product: Open manufacturer page ↗