Batteries are an energy storage technology that use chemicals to absorb and release energy on demand. Lithium-ion is the most common battery chemistry used to store electricity.
Australian made lithium battery storage.
BYD battery range of lithium batteries.
Batteries have become of recent a popular choice for people installing solar systems, if your on or off grid battery storage could be a great way to save on your electricity bill and have a continuos power supply no mater what grid constraints are.