Essential Residential / Solar Energy Products / Solar Batteries Duplicate

Solar Batteries

Solar batteries allow you to use significantly more of the energy generated by your solar PV system. This also helps reduce peak evening demand on the grid, which in turn helps reduce our reliance in fossil fuels.

Why do you need a solar battery?

Should you invest in one?

Wondering if battery is an essential solar equipment? Upgrading your solar system with a solar battery is the best way to fully utilize the benefits of solar. It an initial investment with a guaranteed, long-term return of more than 90% savings in your energy bills.

Are they worth the cost?

If you want to have a peace of mind during power outages, then yes. The battery charged by the solar panels during the day provides the stored energy for later use in the evening. Saves your bill, provides backup power and gives you energy independence.

The key elements of a solar battery

Storage Capacity

The storage capacity of the battery is a measure of how much energy the battery can hold – the average storage of a modern solar battery is in the region of 10 kWh. This is enough to power an average home for the evening.

Storage vs Off-Grid

Not all batteries are designed to supply energy to your home during a blackout. Most are designed to only store energy generated during the day, until needed during evening hours. If you require ‘Off Grid’ you need to decide which appliances within your house you want to power (fridge, a few lights and a power outlet?), calculate the power required to run these and choose a battery size that meets this requirement. You also need to know the length of time that you want to power these items.

Hybrid or Coupled

Hybrid batteries have a solar inverter build into the system and do not require an external inverter as a step between the battery and the solar PV. Coupled batteries plug into an external inverter which then connects to the Solar PV.

Discharge Rates

The charge and discharge rates of your battery will impact the speed at which it will charge, and the amount of energy you can draw to power your home. For example, if your battery has a 2.3 kW discharge rate, and the load in your home is 3.3 kW, you will draw 2.3 kW from the battery and 1.0 kW from the grid, even if your battery has full charge. Similarly, if your solar is generating 4.6 kW, and the load in the house is 1.0 kW, only 2.3 kW will feed into your battery, with the 1.3 kW flowing back to the grid.

Life is Unpredictable,
Your Energy Shouldn’t Be

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Partial or full-home backup when and where you need it.

The battery brands we trust

Powerwall helps reduce your energy bills, your carbon footprint & your reliance on the grid – with a stunning design that you’ll want to show off to your friends.

Designed in Germany. The sonnenBatterie is a
high-tech storage system that
has proven itself in thousands of
households.

Designed in China. Build Your Dreams (BYD) is one of the largest battery providers in the world. The innovative battery design maximises efficiency.

The award-winning SolarEdge Home Hub Inverter puts record-setting efficiency and control at the center of your ecosystem delivering more power, hour after hour.

Intelligent Control of your battery

Monitor how your household is using energy, and optimise your battery investment for free

To ensure you select the right products for your home, book a free home assessment with one of our technical advisers

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