Contents
1. Introduction
2. Primary and secondary cells
3. Ampere hour ratings
4. Comparison of secondary technologies
5. Lead acid and SLA descriptions
6. Safety
7. Capacity
7.1 The 'C' rating
7.2 Effect of discharge current on Ah rating
7.3 Effect of temperature on Ah rating
8. Discharge
8.1 Depth of discharge
8.2 Deep discharge
8.3 Calculating charge level based on terminal voltage
8.4 Calculating charge level based on current accumulation
9. Battery preservation and maintenance
10. Storage and self-discharge
11. Charging
11.1 Charging schemes
11.1.1 Constant voltage
11.1.2 Constant current
11.1.3 IU scheme
11.1.4 IUI scheme
11.1.5 Pulse charging
11.1.6 Temperature compensation
11.1.7 Comparison of the schemes
11.2 Battery charger circuits
11.2.1 Conversion of car battery chargers
11.2.2 Using a battery charger control IC
12. Serial and parallel connection
13. Maximum current
14. Estimating Ah required for robot wars bouts
15. Which battery is best?
Links & further information.
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