: Built to provide steady power over long periods and withstand repeated deep discharges. Essential for RV "house" power, marine trolling motors, and solar storage.

: Designed to deliver short, high-intensity bursts of energy to crank an engine. Ideal for cars, motorcycles, and trucks.

: A hybrid that offers a balance of starting and cycling power, often used in boats with both a motor and onboard electronics. 2. Choose the Right Technology