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Solax Triple Power Slave 5.8kW Solar Battery

SOLAXSLAVE

3 in stock for next day delivery see cut off times
£1,458.00 inc Vat
£1,215.00 ex Vat
£120 ex vat delivery for large inverters and batteries due to size and weight

Solax Triple Power Slave 5.8kWh Battery – Expandable LiFePO₄ Storage for Scalable Solar Systems

The Solax Triple Power Slave 5.8kWh battery is designed to expand storage capacity when used alongside a Triple Power Master battery. With advanced LiFePO₄ technology and a 90% depth of discharge, it delivers safe, reliable, and long-lasting performance. Suitable for both single and three-phase systems, this plug-and-play unit is ideal for homes looking to scale their solar energy storage.

  • Expandable Storage: Add one or more slave units to a master battery system for up to 23kWh of total capacity (3-phase systems).
  • Safe LFP Chemistry: LiFePO₄ cells ensure enhanced safety, thermal stability, and environmental friendliness.
  • High Performance: 90% depth of discharge and over 6000 charge cycles for long-term reliability.
  • Flexible Installation: Wall or floor mountable with supplied cables for fast plug-and-play setup.
  • IP55 Protection: Suitable for various environments with resistance to dust and water ingress.
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: RS485 (Battery-to-BMS)
  • Warranty: 10 years

Expand your storage with the Solax Triple Power Slave 5.8kWh – the safe, scalable battery solution for smart solar energy systems!

Description

 

Technical Information
Kw Rating 5.8 kW
Product Battery
Type Slave
Width 193 mm
Depth 708 mm
Nominal Power Output 5.8 kW
Height 474 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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