Battery Back-up Systems

Energy storage systems that make your life easier

SustainSolar’s battery back-up solutions are ideal for apartments, home offices, and small to medium size houses. The slick and modular configuration of the single phase 3 kW, 5 kW and three phase 10 kW systems allow for a variety of household applications.

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TURN-KEY HYBRID ENERGY STORAGE CABINET

COMPACT & MODULAR

  • Complete turn-key system seamlessly integrated inside a sleek and robust cabinet​
  • Installation time and costs significantly reduced with ease of re-location, compared to conventional wall mount installations​
  • Connection of multiple units in parallel for modular expansion of system capacity​
  • 12kW option of the SUSTAIN BOXTM can be disassembled in two halves for ease of transport in remote or challenging locations

HIGH PERFORMANCE

  • High energy density LFP batteries >6000 cycles​
  • Powerful hybrid inverter for grid-tied and off-grid applications​
  • Up to 10-year warranty

ADVANCED CONTROL

  • Wi-Fi communication and control features with remote monitoring of system via user friendly App​
  • BMU monitoring for safe operation
  • Inverter display accessible with locked cabinet

PLUG & PLAY

  • All-in-one battery back-up solution for loadshedding​
  • Allows for integration of grid and generator​
  • “PV-ready” via MC4 connectors at the back of each unit​
  • Integrated power plug for emergencies

APPLICATIONS

  • Residential back-up​
  • SolarPV self-consumption optimisation and​
  • Small scale off-grid (e.g., health clinics, etc.)​

Our Available Turn-key Hybrid Energy Storage Cabinets

SustainBox19''_6

SUSTAIN BOX™ 7.6

5.3 kWh

R131,990/incl VAT

  • 7.6 kW SUNSYNK Hybrid Inverter (Single Phase)​
  • 5.3 kWh LFP Battery Built-in (1 C)​
  • Modular Expansion up to 15 kWh (3X5.3 kWh)​
  • 24/7 Monitoring with SUNSYNK app​
  • Easy installation and low maintenance​
  • With optional PV integration
SustainBox19''_5

SUSTAIN BOX™ 7.6​

10.6 kWh

R167,990/incl VAT

  • 7.6 kW SUNSYNK Hybrid Inverter (Single Phase)​
  • 10.6 kWh LFP Battery Built-in (1 C)​
  • Modular Expansion up to 15 kWh (3X5.3 kWh)​
  • 24/7 Monitoring with SUNSYNK app​
  • Easy installation and low maintenance​
  • With optional PV integration
MicrosoftTeams-image (21)

SUSTAIN BOX™ 7.6​

15.9 kWh

R204,990/incl VAT

  • 7.6 kW SUNSYNK Hybrid Inverter (Single Phase)​
  • 15.9 kWh LFP Battery Built-in (1 C)​
  • Modular Expansion up to 15 kWh (3X5.3 kWh)​
  • 24/7 Monitoring with SUNSYNK app​
  • Easy installation and low maintenance​
  • With optional PV integration
Sustain Box 12_2 (1)

SUSTAIN BOX™ 12

14.3 kWh

R225,990/incl VAT

  • 12 kW SUNSYNK Hybrid Inverter (Single Phase)​
  • 14.3 kWh LFP Battery Built-in (1 C)​
  • Modular Expansion up to 28.6 kWh (2X14.3 kWh)
  • 24/7 Monitoring with SUNSYNK app​
  • Easy installation and low maintenance​
  • With optional PV integration
Sustain Box 12_1

SUSTAIN BOX™ 12

28.6 kWh

R319,990/incl VAT

  • 12 kW SUNSYNK Hybrid Inverter (Single Phase)​
  • 28.6 kWh LFP Battery Built-in (1 C)​
  • Modular Expansion up to 28.6 kWh (2X14.3 kWh)
  • 24/7 Monitoring with SUNSYNK app​
  • Easy installation and low maintenance​
  • With optional PV integration

* Recommended retail pricing. Please contact us for binding quote.

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