A hospital uses portable heart monitors. Each monitor can be powered by a non-rechargeable alkaline battery or by a rechargeable battery. The table gives information about the two types of battery.
Table: Information about a non-rechargeable alkaline battery and a rechargeable battery for powering a portable heart monitor
| Feature | Non-rechargeable alkaline battery | Rechargeable battery |
|---|---|---|
| Cost of one battery in pounds | 2 | 18 |
| Time the monitor works before the battery stops, in hours | 60 | 14 |
| Number of times the battery can be recharged | 0 | 800 |
| Time taken to recharge the battery, in hours | not possible | 3 |
Evaluate the use of each type of battery to power the portable heart monitors.
Use the information in the table.
40 exam-style questions on AQA GCSE Chemistry 5.2 Chemical cells and fuel cells, covering 5.2.1 Cells and batteries, 5.2.2a Fuel cells, and 5.2.2b Half equations for hydrogen fuel cells. Each one has a worked solution and a mark scheme showing where the marks go.