Reference

Jump starter sizing reference

Worked liters/fuel examples and class checks for common US 12V portable jump-starter screens.

Smallest class with liters ≤ gas or diesel ceiling for that fuel.

Details

12V only · correct polarity · charged pack · PPE.

Tools

2.0 ≤ 5 gas → 1000 class.

Details

Enter liters 2, fuel 1.

Tools

Fails 1000 (5.5 > 5); clears 1500 (5.5 ≤ 6) → 1500 class.

Details

Enter liters 5.5, fuel 1.

Guides

Fails 1000/1500 diesel ceilings; clears 4000 (8 ≤ 8) → 4000 class.

Details

Enter liters 8, fuel 2.

Reference

12 > 10 gas ceiling → NO_MATCH.

Details

Do not force a 4000A class for this displacement.

Guides

Guides, calculator, and comparisons.