My lead-acid battery is very weak

Car battery: purchase, types, function

Banner Power Bull 60Ah

Battery type: full calcium technology

Price *: 74.05 euros

Banner Running Bull AGM 60Ah

Battery type: AGM

Price *: 166.67 euros

Banner Running Bull EFB 60Ah

Battery type: EFB

Price *: 124.03 euros

Varta Blue Dynamic D24 60Ah

Battery type: wet battery

Price *: 57.92 euros

Varta Silver Dynamic AGM D52 60Ah

Battery type: AGM

Price *: 94.85 euros

Varta Silver Dynamic D21 61Ah

Battery type: wet battery

Price *: 67.23 euros

Exide Premium Carbon Boost 53 Ah

Battery type: wet battery

Price *: 49.55 euros

Exide start-stop AGM 70Ah

Battery type: AGM

Price *: 97.85 euros