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Calculates time to fully charge a battery based on charger current and battery capacity. Helps optimize charging strategy.

Fórmula

Basic time = capacity ÷ charger current

Guia passo a passo

  1. 1Battery capacity in mAh
  2. 2Charger current in mA
  3. 3Basic time = capacity ÷ charger current
  4. 4Account for taper charging (slows at 80-90% full)
  5. 5Typical 20-50% penalty for taper

Exemplos resolvidos

Entrada
2000mAh, 500mA charger
Resultado
4 hours

Erros comuns a evitar

  • Assuming linear charge time (actual curve is non-linear)
  • Not accounting for charger efficiency (80-90% typical)

Perguntas frequentes

Should I use fast charging?

Fast charging reduces battery lifespan by 10-20%; use only when needed; standard charging preserves battery.

What's optimal charging speed?

C/10 (capacity ÷ 10) is safest; C/2 acceptable; >1C causes heat and reduced lifespan.

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