Battery Bank Sizing Calculator

Free Tool

Battery Bank Sizing Calculator

Find the right battery bank size for your Victron RV, marine, or off-grid system based on your energy needs and autonomy goals.

Enter Your System Details

Daily Energy ConsumptionWatt-hours per day

Use our Load Audit Calculator if unsure

Battery Bank VoltageSystem voltage

Days of AutonomyDays without charging

Battery ChemistryAffects depth of discharge

Minimum Battery Bank Size

—

Daily Energy

—

Autonomy

—

Depth of Discharge

—

Total Energy Needed

—

Recommended Configurations

Need help sizing your system?

JonssonTech designs and installs Victron systems across the Houston area.

Get a Free Quote

⚡ DC Wire Sizing ☀️ Solar & MPPT Sizing 📋 Load Audit

Are You a Victron Installer?
Get Your Trade Discount.

Join the JonssonTech Installer Partner Program — up to 15% off Victron MSRP, free system design support, and a supplier who actually picks up the phone.

✓ 10–15% off MSRP ✓ Free system design ✓ Priority shipping ✓ Real tech support

For verified professional installers. We confirm your status within 3 business days — no spam, ever.

Your cart is empty

Your cart

Estimated total

Battery Bank Sizing Calculator

Battery Bank Sizing Calculator

Enter Your System Details

Recommended Configurations

Battery Type Comparison

Important Notes

Need help sizing your system?

Are You a Victron Installer?
Get Your Trade Discount.

Country/region

Country/region

Battery Bank Sizing Calculator

Battery Bank Sizing Calculator

Enter Your System Details

Recommended Configurations

Battery Type Comparison

Important Notes

Need help sizing your system?

Are You a Victron Installer?Get Your Trade Discount.

Are You a Victron Installer?
Get Your Trade Discount.