Battery DC Cable Sizing -

UPS Battery Cable Sizing Tool

Input Parameters

System Voltage (V DC)

Total Current (Amps DC)

Cable Length One Way (m)

Voltage Drop (%)

Safety Margin (%)

Battery Configuration

Installation Method

Cable Material

Cable Type

←

Fill the parameters

Press “Calculate Cable Size” Button

Recommended Cable Size For 55A (DC Load)

– mm²

Recommended Parallel Cable Size For 55A (DC Load)

–

Recommended Cable Size For 55A (DC Load) With 0% Safety Margin

– mm²

Provides additional margin for safety and future expansion

Recommended Parallel Cable Size For 55A (DC Load) With 0% Safety Margin

–

System Cutoff Voltage (V)

– V

System Load Current (A)

– A

Max Voltage Drop Allowed (V)

– V

Max Voltage Drop Allowed (%)

– %

Actual Voltage Drop on XXmm² cable (V)

– V

Actual Voltage Drop on XXmm² cable (%)

– %

XXmm² Cable Ampacity (A)

– A

XXmm² Cable Resistance (Ω/km)

– Ω/km

Size (mm²)	Diameter (mm)	Weight (kg/km)	Resistance (Ω/km)	Current in Air (A) @ 30°C Ta	Current in Pipe (A) @ 30°C Ta

Source: CIC Cables FG16R16 Datasheet

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