Lithium ions interspersed throughout many layers, so when the battery gets charged by the sun, the resulting electron current drives the lithium ions out of the cathode and into another layer, called the anode that's made up of stacks of graphite.
How many hours does battery storage give?
Several, but depends on how many appliances are used.
A 10 kWh sized system will give you ten kilowatts over an hour. A hair dryer takes about 1 kW to run, while a washing machine uses several kW to run, but generally, a battery store can power an average household for several hours in the evening.
How long do the batteries last?
Typically, 3000-4000 recharging cycles from a full drain to full charge. The system is designed to switch between devices on demand and seamlessly automatically.
Can I still use Economy 7?
Yes. Ensure you make the installation team are aware that you have Economy 7, so they can structure the install to draw from the grid rather than the battery after 11 pm.
What about a warranty?
All PV solar installations come with a manufacturer and installation warranty of ten years.