- Rated vs. real output
What a portable solar panel's watt rating means, why real-world output is lower, what efficiency figures do and don't tell you, and how bifacial panels add to it.
Spec rows: Rated power, Tested output, Efficiency
- Voltage and connecting
How to check a portable solar panel against a power station's solar input, when to wire panels in series or parallel, why cold weather raises voltage, and which connectors and adapters you need.
Spec rows: Open-circuit voltage (Voc), Voltage at max power (Vmp), Voc temperature coefficient, Series / parallel and 1 more