Battery Guides
Clear technical explanations to choose, install and maintain batteries.
TechnologyAGM vs EFB Batteries: Differences, Start-Stop and Which One You Need
How AGM and EFB batteries are built, why start-stop vehicles need them, and the rule for replacing one with the other without damaging the electrical system.
RatingsWhat Is CCA (Cold Cranking Amps)? SAE, EN and DIN Ratings Explained
What cold cranking amps measure, how SAE, EN and DIN test methods differ, why CCA cannot be converted to Ah, and how much CCA your vehicle really needs.
Buying guideHow to Choose a Truck Battery: Heavy-Duty and Semi-Truck Guide
A step-by-step method to choose batteries for medium-duty trucks, semi-trucks and buses: system voltage, group size, bank CCA, reserve capacity, terminals and technology.