Unsure on how much power and how many batteries you require? All you need to do is to fill in the few information in the form to find out!
Click here if you have no idea how much power you intend to consume. The list will give you a good idea on the size of your PV system.
This is on top of the default 1-day usage. Setting it at 0 means only 1 day of usage. We recommend about 2 days of backup.
Electricity Supply type
AC is what you use for your 3-pin sockets. DC is what you can connect directly to the batteries. Check the datasheet of your appliance if you’re unsure.
Sizing Battery Capacities
(Theoretical) Battery Capacity Required:
*Actual installation capacity required is higher, as batteries should not be fully discharged.
Battery Capacities (Lead-acid):