Module: LitrueBatteryCalc

Defined in:
lib/litrue_battery_calc.rb

Class Method Summary collapse

Class Method Details

.calculate_wh(voltage, amp_hours) ⇒ Object

Calculate Watt-hours from Voltage and Amp-hours



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# File 'lib/litrue_battery_calc.rb', line 5

def self.calculate_wh(voltage, amp_hours)
  voltage.to_f * amp_hours.to_f
end

.estimate_runtime(total_wh, load_watts, efficiency = 0.85) ⇒ Object

Estimate battery runtime in hours under continuous load



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# File 'lib/litrue_battery_calc.rb', line 10

def self.estimate_runtime(total_wh, load_watts, efficiency = 0.85)
  return 0.0 if load_watts.to_f <= 0.0

  (total_wh.to_f * efficiency.to_f) / load_watts.to_f
end