The Deltec 621EFB is a 12V 65Ah Enhanced Flooded Battery (EFB). It is specially designed to handle the frequent engine restarts of start-stop vehicles, offering significantly better cycle life and heat resistance than standard lead-acid batteries.
Key Specifications
- Voltage: 12V
- Capacity: 65Ah
- Terminal: Right-Hand Positive (RHP) with tapered automotive terminals
- Technology: EFB (Enhanced Flooded Battery)
- Primary Use: Passenger vehicles equipped with Start-Stop technology




