Batteries and Back-up Power

Westside Energy supply and install premium energy products. Keep your home powered, even when the grid goes out!

Our Battery Solutions

LG Chem Home Battery RESU
LG Chem Home Battery RESU

The LG Home Battery can be wall or floor mounted. It is small and compact, making it much easier to comply with Australian BESS Standard AS5139.

Use your solar power during the night and further reduce your electricity bills. Be blackout ready: with a home battery, you have a backup for any loss of power. Keep the lights on and your home safe! Power your life with free energy from the sun and make the future a brighter place.

Tesla Powerwall
Tesla Powerwall

The Tesla powerwall is a battery that stores energy, detects outages and automatically becomes your home’s energy source when the grid goes down. Unlike generators, Powerwall keeps your lights on and phones charged without upkeep, fuel or noise. Pair with solar and recharge with sunlight to keep your appliances running for days.

Powerwall integrates with solar to store excess energy generated during the day and makes it available when you need it, minimising reliance on the grid. You can also live off-grid with solar and Powerwall to generate and store power for your home’s energy needs.


Flexible investment with 5kWh modular design, scalable from 5kWh to 30kWh
100% depth of discharge (DoD)
More usable energy with pack level energy optimization
Safe & reliable performance with Lithium Iron Phosphate (LFP) cell
Auto detected by App
Compatible with both single & three phase inverter
Faulty battery module auto isolates to keep system operating


Pylontech was founded in 2009 and manufactures LFP batteries for ESS and electric vehicles. The modular design of the Pylontech batteries gives greater flexibility and expansion allowing it to be scaled to form a larger system.

Pylontech batteries can be retrofit into any existing solar system. Combined with at Goodwe battery inverter, it also provides limited blackout protection.


AlphaESS is one of the leading energy storage solution and service providers in the globe. The company specializes in the residential and commercial market, aiming to deliver the most cost-effective and fit-for-purpose solutions. AlphaESS has 10+ sub-sidiaries providing local services and 60,000+ systems actively running in over 60 countries, enabling millions of people to live with reliable,accessible and clean energy.

Compact Size
Reliable Performance
Proven Safety

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We’ve helped thousands of South Australian’s tackle their power problems. Let’s get your power bills under control.