Need help choosing batteries or cable sizes for your security, access control or surveillance system?

2020 Security is happy to provide the tools you need with voltage drop, metric voltage drop power and battery power calculators. Shop our line of security system equipment to buy the products in you want in the sizes you need.

Voltage Drop Calculation: Load Current (Amp) Wire Gauge (AWG) Wire Run Length (Ft) Voltage Drop (V)   Enter any three values, leave one at 0. Click on "Calculate".   Metric Voltage Drop Calculation: Load Current (Amp) Wire Diameter (mm) Wire Run Length (m) Voltage Drop (V)   Enter any two values, leave one at 0. Click on "Calculate".   Power Calculation: Power (W or VA) Current (Amp) Voltage (V) Resistance (Ohm)   Enter any three values, leave two at 0. Click on "Calculate".   Battery Power Calculation: Discharge Time (Hours) Current (Amp) Battery Capacity (AH)     Enter any two values, leave one at 0. Click on "Calculate".