← 1.4 Cells and Batteries

Secondary cells

Electrical Technology · Grade 10 · about 40 minutes

Rechargeable cells: lead-acid (2 V cells making a 12 V vehicle battery), lithium-ion packs, capacity in ampere-hours, and why charging must reverse the reaction.

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  • 7 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
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