Sunsynk 8kw inverter - Hubble Li-ion 10kWh Package (Solar Ready)

Peak power output 8kW
Usable battery energy* ~10 Units (kWhr)
Max instantaneous power from battery only  ~8.8kW

Lithium-ion batteries have the advantage over traditional lead acid in that they can be cycled many times more and can be discharged deeper while maintaining a decent battery life.

For those not overly familiar with electrical power, this system can store around 10 Units of electricity in the batteries.

This means that at during a power failure, you could watch a 200W TV for about 50 hours before the batteries went flat (200W x 50 hours = 10000Whrs = 10 Units of electricity)

OR

you could run 40 x 5W LED globes for 50 hours (5W x 40 x 50 hours = 10000Whrs = 10 Units of electricity)

OR

a 1500W kettle for an 6.6 hours straight (1500W * 6.6 hour = 10000Whrs = 10 Units of electricity) *Not sure why you would do that but who knows?*

OR

any combination of the above that adds up to 10 Units.

The system will switch from grid power to battery power automatically upon grid failure, and automatically back to grid when power returns. The batteries will then automatically recharge.