Calculators for solar batteries, panels, charge controllers, inverters, electricity costs, appliances, generators, and cable voltage drop.
Calculate required battery bank capacity (Ah & kWh) from load power, backup hours, system voltage, and depth of discharge.
Estimate required solar panel array wattage and panel count from daily energy usage (Wh/day) and peak sun hours.
Calculate recommended MPPT or PWM charge controller current rating (Amps) from solar array wattage and battery voltage.
Estimate inverter backup runtime from battery Ah, voltage, load wattage, depth of discharge, and inverter efficiency.
Calculate daily, monthly, and annual electricity costs based on device wattage, hours of usage, and custom energy tariff rate.
Calculate daily and monthly energy consumption (kWh) and operating cost for household appliances like fans, fridges, and ACs.
Estimate total fuel volume, operating cost, and fuel cost per kWh for diesel or gasoline power generators.
Calculate resulting total voltage (V), capacity (Ah), and total energy (Wh/kWh) for battery banks in series or parallel.
Calculate voltage drop (Volts & %) over distance for copper or aluminum cables in AC/DC solar and mains installations.
Calculate Power Factor (PF = kW / kVA), reactive power (kVAR), apparent power, and required capacitor kVAR correction.