Reliable power, even when the grid isn't

Power Backup
Solutions for Every Space

Keep your home or business running through load-shedding and outages with professionally installed inverters and lithium battery systems — sized for your needs, certified for your safety.

Request a Quote View Product Range

5–20kVA System Sizes

100% Lithium Batteries

COC Certified Installs

Hybrid inverter system with Pylontech lithium batteries and solar panels

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Lithium Power

Longer life, faster charge

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COC & Green Card

Compliant installations

Our Range

Inverter Systems Sized to Match You

From small homes and offices to full commercial sites — we supply, install and certify the right system for the load you need to carry.

Deye 5kVA hybrid inverter with Hubble lithium battery

★★★★★ Residential

5kVA System

Perfect for small to medium homes — keeps lights, Wi-Fi, TV, fridge and essential plugs running through outages.

5,000 VA continuous output
Lithium battery bank
Solar-ready inverter
Auto change-over

10kVA System

Our most-installed package. Powers larger homes, dual-storey houses and small businesses with comfortable headroom.

10,000 VA continuous output
Expandable lithium storage
Solar PV-ready hybrid
App monitoring

★★★★★ Commercial

20kVA System

Built for offices, retail, workshops and estates — heavy-duty backup with serious lithium capacity and three-phase options.

20,000 VA continuous output
Large lithium battery bank
Single or three-phase
Generator-compatible

Why Lithium

Modern Batteries, Built to Last

We exclusively pair our inverters with lithium batteries — the safest, longest-lasting and most efficient option on the market today.

Longer Lifespan

Up to 10× more cycles than lead-acid — meaning years of dependable backup without replacement headaches.

Faster Charging

Recharges quickly between outages so you're never caught flat-footed when the next round of load-shedding hits.

Deeper Discharge

Use far more of your stored energy safely — typical 80–95% depth of discharge versus 50% on older tech.

Solar-Ready

Every system we install can be expanded with solar panels later — start with backup, grow into independence.

Complete inverter and lithium battery installation kit

Certified & Compliant

COC issued and green-card registered on every install

Full-Service Installation

More than just a product — we handle the whole job.

From the first site visit to the certificate at the end, SA Telecoms is the only contractor you'll deal with. No subcontractor headaches, no compliance gaps.

Free On-Site Assessment

We measure your load, look at your DB and recommend the right size — no guesswork.
Professional Installation

Done by qualified electricians — neat cable runs, safe DB integration, full commissioning and walk-through.
COC & Green Card

Every installation comes with a Certificate of Compliance and is registered on the green-card system — protecting your home insurance and resale value.
Aftercare & Support

Warranty support and friendly assistance long after the install — we're a phone call away.

Trusted Brands

We Work With Multiple Leading Brands

We're not tied to one manufacturer — we recommend the right brand for your budget and your load. Examples include:

Sunsynk

Deye

Growatt

Mecer

Victron

Hubble

Don't see what you're looking for? Ask us — we source from a wide network of suppliers.

How It Works

From Quote to Powered Up — Simple.

Get in Touch

Send us a message or call. We'll ask a few quick questions about your space and what you'd like to keep running.

Site Visit & Quote

We come out, do a proper load assessment, and put a written quote in your hands — no surprises.

Installation

Our qualified team installs and commissions the system, usually in a single day. We walk you through how it works.

COC Certificate

You receive your Certificate of Compliance and green-card record — fully legal, fully insured.

Power Backup Solutions for Every Space