BT DC 4.2


  • Starting and dual-purpose (starting and deep-cycling) models available.
  • Lasts up to 3 times longer than other batteries.
  • More power in the initial 1, 2, 5 and 10 seconds of the starting process than comparably rated conventional lead-acid batteries.
  • Constant performance quality keeps your battery running at the same level even as it's being discharged.
  • Ideal for seasonal use, fully charged it can sit unused for up to 12 months at room temperature (or below) and still provide the power necessary to start your boat's engine.
  • 15 times more resistant to vibration than other batteries.
  • Nonspillable with complete fitment flexibility; can mount in almost any position.
Model Number: BT DC 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 & 5/16 Stainless Stud
BCI Group: D34M
Minimum Weight: 19.7 kg
Length (mm): 254 mm
Width (mm): 175 mm
Height (mm): 200 mm