Once you’ve decided what type of battery setup is suited to your solar system (retrofit, hybrid, Off-Grid) you can start looking into the different types of solar batteries available. Currently, there are four main makes when it comes to selecting battery storage.
Here’s an overview of the main differences between your options;
Types Of Solar Batteries
Lead-acid
- Lead-acid batteries are the same type of batteries you’d have in your car
- Usually quite large and will take up a lot of space
- Compared to other alternatives Lead-acid batteries have a lower cycle life
- A preferred choice for Off-grid systems as they are reliable and can be a cost-effective option when installing large amounts of storage
Lithium-ion
- Lithium-ion batteries are the same type of batteries you’d have in your smartphone
- A highly popular option for solar battery systems in Australia
- Longer cycle life than Lead Acid batteries
- Deeper discharge than Lead Acid batteries
- More expensive than Lead Acid batteries
- Compact and light
Flow batteries
- Deeper discharge than Lead-acid and Lithium-ion (100% depth-of-discharge)
- More expensive than Lead-acid and Lithium-ion
- Can tolerate extreme temperatures
Sodium Nickle Chloride
- Fully recyclable
- No fire risk
- More expensive than Lead-acid and Lithium-ion
- Lower life cycle than Lithium-ion