Battery Storage Calculator — System Sizing Tool | Blackridge Research
Free ROI Tool

Battery Storage Calculator Interactive Calculator ✦

Size a battery storage system for any application — backup power, load shifting, or grid services.

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Your Inputs

Auto-filled with current list pricing — add to match your quote.

Your Estimated Results

Scenario:

Return multiple: Return on investment:
net of tracker cost
Payback period:
or annual investment

What this means

Trusted by 500+ companies · 150+ countries · 200+ sectors · Updated daily

Adjust the inputs above to calculate your results.

How It Works

Three steps to your number

01

Enter daily load

Daily energy consumption in kWh.

02

Enter autonomy days

Number of days of backup power needed.

Use Cases

Who uses this calculator

Building systems

size battery backup for buildings.

Off-grid projects

determine storage requirements.

FAQ

Your questions, answered

Lithium-ion: 80-100%. Lead-acid: 50%.
Lithium-ion: 10-15 years. Lead-acid: 3-5 years.
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