The DIY video above provides a great tutorial on how to replace the car battery on an Infiniti Q50. Over on Amazon they have a DieHard 38275 Advanced Gold AGM Battery for around $193.00 plus shipping.
Some details about the DieHard Battery for your Infiniti:
- 20X more vibration protection safeguards battery performance over time, 2X the cycle life extends the performance and life (compared to convention lead acid batteries)
- BCI Gp 35, CCA 650, RC 100 minutes, 50 AH rating
- Spill proof design provides added protection for sophisticated electronic equipment
- Optimized power full-frame positive and negative plates prevent life robbing electrical shorts
- Enhanced electrolyte suspension system absorbs more electrolyte and protects internal components
Manufacturer Part Number: 38275