
Solax X3-FIT8.0 3-Phase AC Charger 8.0 kW
X3-FIT8.0
SolaX X3-FIT 8.0kW 3-Phase AC Coupled Charger – Efficient Retrofit Storage with Emergency Backup
The SolaX X3-FIT 8.0kW is a reliable three-phase AC-coupled charger designed to enhance energy independence by storing excess PV generation for later use. Ideal for retrofitting existing solar installations, it ensures energy efficiency and emergency power backup through advanced battery integration.
- Retrofit Capability: Seamlessly adds storage to existing solar systems without changing the current inverter.
- Blackout Protection: Maintains essential loads during power cuts using stored energy.
- Passive Cooling System: Operates silently and requires minimal maintenance thanks to natural cooling design.
- High Voltage Battery Support: Compatible with a wide range of high voltage battery options.
- Remote Access: Enables off-site performance monitoring and system management when needed.
Technical Specification
- Rated Output Power: 8.0kW
- Protection: IP65
- Weight: 38kg
- Dimensions: 457 x 654 x 228mm (W x H x D)
✅ Boost the performance of your existing PV setup with the SolaX X3-FIT 8.0kW Charger – smart storage with backup power security.

Product | Charge Controller |
Type | Three Phase |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.