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Solax Triple Power Master 5.8kW Solar Battery

SOLAXMASTER

Est 3-4 day delivery (Subject to availability)
£1,619.99 inc Vat
£1,349.99 ex Vat
£120 ex vat delivery for large inverters and batteries due to size and weight

Solax Triple Power Master 5.8kWh Battery – Safe, Scalable LiFePO₄ Storage for Residential Solar Systems

The Solax Triple Power Master 5.8kWh battery delivers high-performance energy storage with advanced LiFePO₄ (LFP) cell technology. Designed for both single and three-phase systems, this high-voltage master unit supports scalable configurations with up to three slave batteries, offering up to 23kWh total capacity. With 90% depth of discharge, robust safety features, and a 10-year warranty, it’s a reliable solution for modern home energy systems.

  • High-Capacity Core: 5.8kWh storage with the ability to scale up to 23kWh using slave units (up to 2 for single-phase, 3 for three-phase systems).
  • Advanced LiFePO₄ Chemistry: Safer battery performance with a wide operating temperature range and no toxic heavy metals.
  • Long-Term Durability: Delivers over 6000 cycles with 90% depth of discharge and excellent energy retention.
  • Flexible Installation: Floor or wall mountable design with compact footprint and quick-fit setup.
  • Smart Connectivity: CAN2.0 communication with inverter and RS485 between batteries/BMS for seamless system integration.
Technical Specification
  • Battery Type: Li-ion (LFP)
  • Total Capacity: 5.8kWh
  • Nominal Voltage: 115.2V
  • Operating Voltage: 100–131V
  • Depth of Discharge: 90%
  • Charge Efficiency: 99% (Faradic)
  • Roundtrip Efficiency: 95%
  • IP Rating: IP55
  • Communication: CAN2.0 (inverter), RS485 (BMS)
  • Warranty: 10 years

Upgrade your solar storage with the Solax Triple Power Master 5.8kWh – safe, scalable, and built for long-term performance!

Description

 

Technical Information
Kw Rating 5.8 kW
Product Battery
Type Master
Width 193 mm
Depth 708 mm
Nominal Power Output 5.8 kW
Height 708 mm
Delivery

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.

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