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Source-based articles about solar technology.
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How much power does a solar panel produce?
Published October 20, 2026Topic: BasicsFrom a panel's watt rating to real energy per day: sunlight, peak sun hours, tilt, heat and losses, with PVGIS figures for Denver and London.
Solar terms explained: a plain-language glossary
Published October 20, 2026Topic: BasicsWatts, watt-hours, volts, amps, Voc, MPPT, depth of discharge, LiFePO4 and more, each explained in plain words with an everyday comparison.
What size cable and fuses do you need for solar panels?
Published October 20, 2026Topic: Cables and protectionHow to choose solar cable size (mm² and AWG) from current and run length, why low-voltage DC needs thick cable, and where DC-rated fuses go.
Portable power station or a DIY solar system? How to choose
Published October 20, 2026Topic: BasicsAll-in-one power station or a system built from separate panels, controller, battery and inverter? The real limits, safety marks and when each fits.
MPPT vs PWM charge controllers: which one do you need?
Published October 20, 2026Topic: ElectronicsWhat a solar charge controller does, MPPT vs PWM in plain words, when PWM is enough, the cold-weather voltage limit and how to size the current.
Can you charge a lithium (LiFePO4) battery below freezing?
Published October 20, 2026Topic: BatteriesWhy LiFePO4 solar batteries must not be charged below about 0 °C (32 °F), what datasheets say, how self-heating batteries work and where to put yours.
How big a solar battery do you need?
Published October 20, 2026Topic: BatteriesWork out your daily watt-hours, then allow for usable capacity, losses, cloudy days, ageing and cold. A worked example and why we size from real weather.