All videos

How Many Batteries Do You Need for a 5000W Inverter?
Thirteen-minute walkthrough: sizing batteries for a 5000W inverter on a 48V system, calculating current draw, BMS ratings, wiring diagrams, and proper fusing for safety.

Can This Solar System Power an Entire House? Load Test!
Real-world load test of a 4.78kW off-grid solar system: how much power common household appliances actually draw, battery behavior under load, and what size system you need.

Power Station Guide: Choosing the Right Battery Size
How to match your household's daily power consumption (typically 2-4 kWh) to the right portable power station capacity, with a focus on refrigeration loads.

Power Your Home: Kilowatt-Hours Explained for Batteries
How to use a kilowatt meter to measure real appliance power draw and calculate battery sizing for home backup systems.

Why Choose a Larger Solar Battery? PowerMax Explained
One-minute explanation of solar battery sizing: how larger capacity batteries improve system reliability and efficiency for off-grid households.
