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Both calculators run independently β€” change the inputs on either side to compare results.

Electrical

Transformer Sizing Calculator

Determine the required KVA rating for a transformer based on connected load, voltage levels, load factor, and future growth. Use this when specifying or replacing a transformer for commercial or industrial installations.

Fill in the required fields to see your result.
Electrical

Battery Bank Sizing Calculator

Calculate the total battery bank capacity in amp-hours (Ah) needed for off-grid solar systems or backup power, factoring in autonomy, depth of discharge, and system efficiency losses. Use this when designing or expanding a battery-based energy storage system.

Fill in the required fields to see your result.

Key differences

Transformer Sizing CalculatorBattery Bank Sizing Calculator
CategoryElectricalElectrical
Inputs required35
ResultRequired Transformer Rating (kVA)Required Battery Capacity (Ah)
What it doesDetermine the required KVA rating for a transformer based on connected load, voltage levels, load factor, and future growth. Use this when specifying or replacing a transformer for commercial or industrial installations.Calculate the total battery bank capacity in amp-hours (Ah) needed for off-grid solar systems or backup power, factoring in autonomy, depth of discharge, and system efficiency losses. Use this when designing or expanding a battery-based energy storage system.