Electrical Power calculator

Calculate power (Watt)

Potential ?5 V (Volt)
Current ?10.85 A (Ampere)A = C/s
Resistance ?0.46 Ω (Ohm)Ω = V / A
Active power ?54.25 W (Watt)rate of energy transfer / W = V * A

Calculate energy (KWh/Joule)

After 1 hours of continuous power usage:

Charge (Ah)10.85 Ah
Energy (kWh)54.25 Wh
Energy (Joule)195.29 MJ
Energy (Calorie)46.64 Mcal

Calculate capacity (mAh/Wh)

Compare capacity with [AA batteries] [Powerpack] [Phone]

Battery typeWatt-hourempty after
Small powerpack - 2000mAh @ 5V:10 Wh11.1 minutes
Large powerpack - 10000mAh @ 5V:50 Wh55.3 minutes
Huge powerpack - 15000mAh @ 5V:75 Wh1.4 hours
Car Battery lead acid 12V - 50Ah @ 12V:600 Wh11.1 hours
Solar Battery lead acid 12V - 200Ah @ 12V:2400 Wh1.8 days

References