Electronics explained the way an engineer would explain them.
Si Electronix covers solar systems, lithium batteries, backup power, and the test equipment that keeps them honest — tested, measured, and written up in plain language.
Hands-on testing
Every guide is built around real specs, real teardown notes, and how the equipment actually performs.
No sponsor bias
Recommendations are ranked on performance and value, not on who bought the placement.
Built for a global audience
Coverage spans equipment and standards used across regions, not just one market's shelf.
Start with a category
Five areas, built out cluster by cluster as the library grows.
Power & Charging
Portable power stations, watt-hour math, and how much your everyday appliances actually draw.
Explore Power & ChargingBattery Technology
Lithium battery capacity, runtime, and charging behavior explained without the jargon.
Explore Battery TechBackup Power
Home backup systems and buying guides for keeping the essentials running through an outage.
Explore Backup PowerLatest from the blog
Recent guides and write-ups — this row pulls from your newest posts automatically.
How Much Power Does a Refrigerator Use?
Typical wattage and daily consumption, and what it means for backup sizing.
How to Calculate Portable Power Station Runtime
The math behind how long a power station will actually run your devices.
How Much Power Does a TV Use?
Wattage by screen size and type, and what it costs to run one daily.
Best 100Ah Lithium Battery for Home Backup
A closer look at capacity, cycle life, and BMS quality across the current 100Ah lithium options — and which one actually holds up under daily backup use.
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