Solar Battery Maintenance| 4 Simple Steps


So, you have a solar battery but now what?

Solar batteries require a certain amount of care and maintenance if you want to extend the life span of your battery to its maximum capacity.

Here is our solar battery maintenance guide to help you increase the longevity of your solar battery system.

1. Prevent CorrosionSolar Battery Maintenance

In flooded battery installations, it can be easy for the terminals and cables to become corroded. This type of corrosion can lead to quick deterioration of your battery system and create potential hazards for your home.

Corrosion can be difficult to stop once it has set in but luckily it can also be easily prevented with these four simple steps!

  1. Apply a non-hardening sealant such as Vaseline to all metal parts of your terminal. Coat the wire lugs, nuts, bolts and metal joins so that they are protected from any acid splatter that may occur.
  2. Seal any exposed wiring at the terminal lug with submersible rubber splice tape.
  3. Store batteries over a floor drain or space where any spilt liquids can easily drain away.
  4. Wipe down your battery tops at least twice a year to reduce further corrosion and prevent any stray currents stealing energy.

2. Moderate Your Solar Battery’s Temperature

Solar batteries lose efficiency when they are exposed to extremely high or low temperatures. A solar batteries efficiency will drop by up to 25% when exposed to temperatures above 45 degrees and lose up to 50% battery life.

Although some batteries such as the sodium-nickel-chloride batteries and flow batteries are able to handle temperatures of up 60 degrees it is still a good idea to ensure your batteries are kept in a cool dry space.

If you want to get fancy with it, there are temperature compensation gadgets out there that can help control your batteries discharge during temperature spikes. These are a common solution for battery owners who have to store their battery in the outdoor elements.

3. Top Up Your Battery’s Water

If you have a flooded battery installation you will need to top up your system with water ever 15-30 days. Water will evaporate during the charge cycle and you will need to refill your battery using distilled water only.

Solar Battery4. Check Your Solar Battery’s State Of Charge (SOC)

It is a good idea to look into installing a system monitor or a hydrometer. This will help you to monitor your solar battery’s state of charge, record it’s input and out put and allow you to check for any system faults.

How To Get A Solar Battery

Are you researching solar batteries for your home? One of the easiest ways to find the right option for you is by comparing quotes from installers in your local area.

Solar Market can connect you with three complimentary no-obligation solar battery quotes from three different installers so that you are getting the right information for you and your property. Just follow the below button and complete a quote request. Happy solar energy saving!

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Understanding Batteries

Off-Grid Systems

For some households a battery system can be of great benefit and minimise a home’s reliance on the grid. However, it’s important to understand for a battery to be useful your solar system needs to be generating excess energy for the battery to store, which you can then use at night or when the sun is not out.

When selecting a battery, you’ll want to invest in a system that is most suited to your home and can drive the best return on investment (ROI). Despite a larger upfront cost, a higher quality battery may significantly increase your ROI.

    Battery systems start from $6,000 and costs can vary greatly based on the following factors:

  1. Cycle Life-Time

    The number of times a battery can fully charge and discharge.

  2. Battery Power (kW)

    How fast it can be charged or discharged.

  3. Storage Capacity (kWh)

    The maximum amount of energy a battery system can store.

  4. Battery Management System (BMS)

    An electronic ‘smart’ system that gathers data and manages the battery ensuring it does not overload or operate outside of its safe functioning zone..

  5. Inverter

    Battery systems require their own inverter if your solar system does not have a hybrid inverter.

  6. 'All-In-One Unit’

    A system which includes the battery, BMS and an inverter all in one unit.

  7. Warranty

    Length of time or cycles the battery system is under guarantee.

  8. Blackout Protection/Backup

    It’s important to note this is not a common feature of a battery system and could cost thousands of dollars to include. Blackout protection not only requires additional components but also a specialised installation and rewiring. For grid-connected homes, the cost for blackout protection can outweigh the benefit.

Additionally, if your purpose for adding battery is to go Off-Grid and become completely independent from the grid you will need to ensure your solar system can generate enough energy to power your home and your battery system is large enough to store this energy. For homes in metro areas going Off-grid is not cost effective and is only recommended for those in remote areas with limited access to the grid. Off-grid solar systems with battery start at approximately $30,000.

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