SolaX · 1-phase · EPS accessory box · UK version
SolaX X1 EPS emergency power supply box
SolaX builds the X1 EPS box as the UK emergency power supply accessory for its single-phase X1 systems. Fit it where a customer with an X1 inverter wants emergency backup when the grid goes down.
Delivery in 3–5 working days (estimate). The dispatch clock starts at cleared payment.
Description
Backup is the easiest upsell on a battery quote, and this is the part that delivers it on the X1 side of the SolaX range. It is a stockable box, so it belongs in the van alongside meters and dongles rather than being ordered job by job. Because it is an X1-family part, one shelf line serves hybrid and retrofit quotes alike once compatibility is checked, and that keeps purchasing simple for a firm standardising on SolaX.
Specification
| Brand | SolaX |
|---|---|
| Part number | X1-EPS-UK |
| Phase | Single-phase |
| Condition | New |
| Category | Parts & accessories · Accessory |
| Delivery method | Parcel courier |
What it pairs with
Pair it across the single-phase X1 family: the X1 Hybrid G4-V2 inverters at 3.7kW and 5.0kW, or the X1-FIT-G4-5.0 retrofit unit for AC-coupled jobs. EPS behaviour differs between models and firmware revisions, so check the unit you are installing against SolaX's current pairing list before quoting backup circuits.
Single-phase only, matching the X1 range it serves. It is an accessory box and generates or stores nothing itself; the connected inverter and battery do the work. For anything this page can't settle, ask the trade desk before ordering or consult a competent installer.
Often bought alongside
Last updated 2026-07-19