About this calculator
A dead battery is a small line item that still belongs in long ownership models. For EVs, treat traction pack numbers with extra caution.
Prefer manufacturer warranty documents over any single illustrative pack cost.
Formula summary
replacements = floor(years ÷ life); spend = replacements × unit cost.
Assumptions
- EV traction packs are warranty-sensitive; replacement figures are illustrative only.
- Heat and short trips reduce 12V life.