Home electricity, explained with numbers
Short notes on electricity use, inverters and batteries for homes and small solar systems in Latin America. Every note comes with a worked example you can repeat.
-
LiFePO4 batteries: how far to charge, how deep to discharge, and why temperature matters
Lithium iron phosphate lasts thousands of cycles, but only within three limits: voltage, depth of discharge and charging temperature.
Read the note → -
What size inverter do I need?
Adding up watts is not enough: separate continuous power from start-up surge, and pick the right battery voltage.
Read the note → -
How to read the kWh on your electricity bill
An appliance’s power and its hours of use tell you how much it adds to the bill. A worked example with a fridge.
Read the note →