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discharge rate

Batteries & Storage

Battery C-Rating Explained (Charge and Discharge Rates)

A battery's C-rating describes how fast it can be charged or discharged relative to its capacity. Learn how to convert C-rate to amps and watts, typical limits for LiFePO4 and AGM, and why it matters for inverters.

October 23, 2026 · 5 min read

Appliance Wattage Guide

  • Refrigerator 150W (1.5 kWh/day)
  • 5,000 BTU Window AC 450W – 500W
  • Starlink Satellite 50W – 75W
  • Microwave Oven 1,000W – 1,500W
  • CPAP Machine 40W – 60W
  • 1/2 HP Water Well Pump 800W – 1,000W

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Calculations provided for preliminary planning purposes only. Always consult a licensed electrician.