Batteries, Charging & Jump Packs: questions & answers
Battery testing, chargers, programming power supplies, jump starters and charging-system checks.
Battery Testing
- How do I test a car battery properly?
- Why does my battery tester say charge and retest?
- How do I test a charging system?
- What is the difference between a conductance battery tester and a carbon pile load tester?
- What do CCA, CA and reserve capacity mean on a battery label?
- What does a battery and electrical system analyzer with a printer add?
Jump Starters
Chargers and Power Supplies
Hybrid and EV 12 Volt Systems
- Do hybrids and EVs still have a 12 volt battery?
- Why does a 12 volt battery fail in an EV and stop it from powering up?
- Can I use a regular battery tester on a hybrid or EV 12 volt battery?
- Does a hybrid or EV need a special charger for its 12 volt battery?
- What is a portable Level 2 EV charger used for in a shop?