There are three kinds of car jump starters:

1. Battery Jump Starter 3000A Peak Jump Box (8.0L Gas/8L Diesel) Portable Car Jump Starter Battery Pack, 12V Car Battery Jumper Starter with Safety Jumper Cables, Fast Charge, Lights, Compact

2. Car Battery Jump Starter, 3 in 1 Function Jump Box 12V 3500A Peak Jump Starter Battery Pack, Car Battery Charger Portable for 3L Gas or 2.5L Diesel

3. Car Battery Jump Starter 2500A Peak Jump Starter (12L Gas/8L Diesel) Portable Car Jump Starter Battery Pack, 12V Car Battery Jumper Starter with Safety Jumper Cables, Fast Charge, Lights, Compact