Battery Size Excel Calculator Excel spreadsheet for calculating the required battery size given load and time conditions
Battery Capacity Excel Calculator Excel spreadsheet for calculating standby time for a system given load conditions and existing battery size
Wire Size Excel Calculator Excel spreadsheet for calculating the minimum required wire size given current and wire length
Voltage Drop Excel Calculator Excel spreadsheet for calculating the voltage drop in an existing wire run given length, wire size, and current
FlexCalculator Suite (all in one package) Master Excel spreadsheet containing all the Excel calculators listed above plus a group of miscellaneous calculations such as BTU, temperature conversion, etc.