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Create your first system
Give your setup a name so Cable by VoltPlan can organize loads, wiring, and recommendations in one place.
System Name
Create System
Overview
Components
Batteries
Chargers
Edit System
System name
Location (optional)
Load Overview
Loads
Total Current
Total Power
Fuse
Cable
Length
Library
Finish configuring your loads
Add your first component
Bring your system to life with components and let Cable by VoltPlan handle cable and fuse recommendations.
Add Load
Browse Library
Edit Load
Load name
Preview
Voltage
Current
Power
Cable Length (%s)
Watt
Ampere
Advanced Settings
Duty Cycle
Percentage of each active session where the load actually draws power.
Daily On-Time
Hours per day the load is turned on.
h/day
Edit Duty Cycle
Enter duty cycle as a percentage (0-100%).
Edit Daily On-Time
Enter the number of hours per day the load is active.
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Battery Bank
No batteries
Usable
Batteries
Capacity
Usable Capacity
Usable Energy
Voltage
Energy
Voltage mismatch detected
Capacity mismatch detected
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Add Battery
Add your first battery
Track your bank\'s capacity and chemistry to keep runtime expectations in check.
Name
Chemistry
Advanced
Nominal Voltage
Capacity
Usable Capacity (%)
Charge Voltage
Cut-off Voltage
Temperature Range
Minimum
Maximum
Reset
Set the maximum recommended charging voltage.
Set the minimum safe discharge voltage.
Define the recommended operating temperature range.
Defaults to %s based on chemistry.
Override active. Chemistry default remains %s.
Edit Nominal Voltage
Edit Capacity
Edit Usable Capacity
Edit Charge Voltage
Edit Cut-off Voltage
Edit Minimum Temperature
Edit Maximum Temperature
Battery Appearance
Customize how this battery shows up
Charging Overview
Chargers
Output Voltage
Charge Rate
Charge Power
Input
Output
Current
Power
Add your chargers
Track shore power supplies, alternator chargers, and solar controllers to understand your charging capacity.
Create Charger
Name
Input Voltage
Output Voltage
Charge Current
Charge Power
Leave blank when the rated wattage isn\'t published. We\'ll calculate it from voltage and current.
Power Source
Shore Power
Solar
Wind
Generator
Alternator
Edit Input Voltage
Edit Output Voltage
Edit Charge Current
Edit Charge Power
Enter voltage in volts (V)
Enter current in amps (A)
Enter power in watts (W)
Charger Appearance
Customize how this charger shows up
System Overview
Estimated runtime
At maximum load draw
Add capacity
Runtime Goal
Estimated charge time
At combined charge rate
Add chargers
Charge Goal
Bill of Materials
Tap to review components
Add loads
Goal %s
Remove Goal
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Save
No loads configured yet
Add components to get cable sizing and fuse recommendations tailored to this system.
Charger Overview
No chargers configured yet
Add shore power, DC-DC, or solar chargers to understand your charging capacity.
Add Charger
Full Report (PDF)
Wiring Diagram
Could not generate diagram. Check your internet connection.
Days
Hours
Minutes
Bill of Materials
No components saved in this system yet.
Export PDF
Power Cable (Red)
Power Cable (Black)
Fuse & Holder
Cable Shoes / Terminals
Inline holder and %dA fuse
Ring or spade terminals sized for %s wiring
Components & Chargers
Primary devices, controllers, and charging gear.
Batteries
House banks and storage.
Cables
Sized power runs for every circuit.
Fuses
Circuit protection and holders.
Accessories
Fuses, lugs, and supporting hardware.
DC device %1$.0fW %2$.0fV
%s red battery cable
%s black battery cable
inline fuse holder %dA
%s cable shoes
%1$dAh %2$dV %3$s battery
%1$dV %2$dA battery charger
System Bill of Materials
No components available.
System Summary
Estimated Runtime
Charge Time
Total Power
Total Current
Battery Capacity
Charger Power
Loads
Batteries
Chargers
Voltage
Current
Power
Cable Size
Voltage Drop
Fuse
Chemistry
Voltage
Capacity
Usable Capacity
Energy
Input Voltage
Output Voltage
Max Current
Power
VoltPlan Library
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Settings
Units
Metric (mm², m)
Imperial (AWG, ft)
Rate Cable
Ratings are how other installers find Cable in the Play Store.
Safety Disclaimer
This application provides electrical calculations for educational and estimation purposes only.
• Always consult qualified electricians for actual installations\n• Follow all local electrical codes and regulations\n• Electrical work should only be performed by licensed professionals\n• These calculations may not account for all environmental factors\n• The app developers assume no liability for electrical installations
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Color
Cable Length
Power Loss
Usable Energy
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New Battery
New Charger
New System
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