Help Center

Frequently asked questions

Charging and general usage

Are these batteries safe? What about fires and explosions?

What battery is suitable for my car?

What kind of charger should I use?

Do I need to modify my car to run one of these?

Should I use a trickle charger or battery tender/maintenance charger?

Should I test anything on my car pre-installation?

I left the battery connected and unused for a long time. Now nothing happens when I turn the key. What should I do?

Can my car be bump-started or jump-started?

How long can my car be left sitting for?

Does the battery run a Battery Management System (BMS)? Does it have auto shut-off?

I am an E46 M3 owner. How does the weight loss compare to the CSL battery or the Mini Cooper battery often used in the M3?