Free Tool

Battery Sizing Calculator

Select your application, check the appliances you need to power, and we'll calculate the exact battery system for your setup.

1. What are you powering?

2. Check the appliances you'll run

Daily Energy Total

0 Wh

That's

0 kWh/day

Backup Days

System Voltage

Daily usage0 Wh

× 2 days0 Wh

+ 20% safety buffer+0 Wh

Total needed0 Wh

At 12V0 Ah

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