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Battery charge time estimates how long a battery takes to fully charge given current, capacity, and efficiency losses. Essential for managing devices and planning activities.

Fórmula

Charge time = (Capacity / Current) × efficiency factor

Guia passo a passo

  1. 1Enter battery capacity in mAh or Wh
  2. 2Enter charging current in mA or A
  3. 3Account for efficiency (typically 85-95%)

Exemplos resolvidos

Entrada
Capacity: 3000 mAh, Current: 500 mA
Resultado
Time ≈ 6.3 hours
(3000/500) × 1.05 efficiency

Erros comuns a evitar

  • Ignoring charging curve slowdown
  • Using rated capacity vs actual capacity

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