Basic Qualification · B-003 Station assembly, practice and safety · B-003-016-007
For portable operation, what is the primary advantage of lithium-based batteries over lead-acid batteries?
- A Lower voltage per cell
- B High tolerance to overcharge
- C High battery capacity per kilogram
- D Simple charging methods
Correct answer: C — High battery capacity per kilogram. From the official ISED question bank, verified word for word.
Why
Lithium-based batteries store much more energy for their weight compared to lead-acid batteries, making them ideal for portable operations where carrying heavy gear is difficult. The full explanation — and one for every question — is in Pro.
Practise this section
Building a station safely: power supplies, grounding, RF exposure, lightning, feedline routing, and what a transmitter, receiver and transceiver actually do.