Battery Fuse & Wire Size Calculator

Light Mode

Calculate the appropriate fuse size and recommended wire gauge for your battery system — for e-bikes, scooters, solar systems, and more.

Note: This tool provides an estimation only. Always verify with manufacturer specifications and standards before installation.
General recommendation: Choose a fuse with voltage rating equal to or higher than your system voltage, select fuse type according to load, and use the recommended wire gauge for the calculated current and distance.

🔧 Similar Tools