How To Charge A Dead Hybrid Battery. Then turn on the charger. The battery can just be completely drained.
Dont Let a Dead Hybrid Battery Bring You Down. The battery will need to be swapped out every 50000 to 60000 miles. The 12V one is used to power the computer systems and is needed to get the car ready to start.
The high-voltage hybrid battery can be over 300 volts and 100 amps which makes charging the 12V using jumper cables a bit intimidating.
What Do We Do. I have had a problem with the check brake light and an alarm going off. Having a really dead hybrid battery is really rare. No modules will power up if the 12 volt battery is dead.
