YT U 4.2


  • Deep cycling and cranking power all packed into one battery.
  • Lasts up to 3 times longer than traditional flat-plate batteries.
  • Constant performance quality, which keeps your battery running at the same level even as it's being discharged.
  • More power in the initial 1, 3, 5 and 10 seconds of the starting process than comparably rated conventional lead-acid batteries.
  • Ideal for seasonal use, fully charged it can sit unused for up to 12 months at room temperature (or below) and still start a vehicle.
  • 15 times more resistant to vibration than traditional lead-acid batteries.
  • Mountable in almost any position.
Model Number: YT U 4.2
Voltage (V): 12
Cold Cranking Amps @ -18°C (A): 765
Cranking Amps @ 0°C (A): 870
Reserve Capacity (Minutes): 120
Capacity (C/20 Rate) (Ah): 55
Internal Resistance (ohms): 0.0028
Type Post/Terminal: Dual SAE & GM
BCI Group: D34/78
Minimum Weight: 19.9 kg
Length (mm): 254 mm
Width (mm): 175 mm
Height (mm): 200 mm