Technical specifications
- Phase
3P
Unverified catalogue value
- Rated AC output power
15 kW
Unverified catalogue value
- MPP trackers
2
Unverified catalogue value
- Max PV short-circuit current
36 A
Unverified catalogue value
- Max PV input voltage
950 V
Unverified catalogue value
More specifications 6–6
- Max PV array power
30000 Wp
Unverified catalogue value
Dimensions & weight
- Width
470 mm
Unverified catalogue value
- Height
570 mm
Unverified catalogue value
- Depth
210 mm
Unverified catalogue value
- Weight
32 kg
Unverified catalogue value
- Country Of Origin
CN
Unverified catalogue value
Manufacturer information
Public source documents and brand-level warranty facts recorded in the catalogue.
Manufacturer documents
Brand warranty information
Unverified- Inverter
- 10 years
- Battery
- 10 years
- Extended cover
- Up to 20 years
Parts only. Transport covered in UK/IE. Must register within 90 days or warranty starts 6 months after manufacture.
Registration: Register within 90 days of commissioning via SolaX Cloud or support portal
- Claims email:
- service@solaxpower.com
Brand-level imported catalogue information; check the linked terms for this exact model and market.
Compatibility
This inverter's supported batteries, meters and backup gateways, from the manufacturer's published pairing data:
Related products
Other variants in the X3-ULT family:
Frequently asked
- What are the dimensions of the SolaX X3-ULT-15K?
- The SolaX X3-ULT-15K measures 470 mm wide × 570 mm high × 210 mm deep. This figure is estimated from comparable equipment — not a measurement.
- How much does the SolaX X3-ULT-15K weigh?
- The SolaX X3-ULT-15K weighs 32 kg (estimated from comparable equipment — not a measurement).
- Where is the SolaX X3-ULT-15K made?
- Our catalogue records the country of origin for the SolaX X3-ULT-15K as CN (ISO 3166-1 alpha-2).
- Which batteries work with the SolaX X3-ULT-15K?
- The manufacturer's published pairing data lists 5 options for the SolaX X3-ULT-15K: T-BAT H 3.0 (T30), T-BAT H 5.8 V3 (T58), HS25, HS36, T-BAT HS51 (5.1 kWh). Each pairing has its own page with the evidence behind it.
- Where can I download the SolaX X3-ULT-15K datasheet?
- The SolaX X3-ULT-15K datasheet is linked from the Manufacturer information section of this page. It is the public source recorded in our catalogue; check the document's revision and date before relying on it.
Alternatives
Other inverters of comparable size. We rank by the closest stored figure, not by preference — no product here is recommended over another.
Last updated 2026-09-20. Design aid only — verify against the manufacturer's documentation.