Optima BT DCM 5.5 Blue Top AGM Battery

Optima Optima BT DCM 5.5 Blue Top AGM Battery




3 Years
H: 238mm x W: 165mm x L: 325mm
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Optima Blue Top BT DCM 5.5 (8052-188) (BCI D31M) (BTDCM5.5 AGM)

OPTIMA® BLUETOP® BCI D31M group 31 batteries are our most powerful and have the largest energy storage capacity. Usually, they can be mounted anywhere a (slightly shorter) group 27 would be used. Ultra high-performance SPIRALCELL TECHNOLOGY® AGM (absorbent glass mat) dual-purpose battery for marine and RV. BLUETOP® has three times the cycling capability (rechargeability) with ultimate cranking power for your boat or RV in a maintenance-free package. Perfect for multiple high-demand accessories and trolling motors with 15 times the vibration resistance and lighter weight. Lower internal resistance provides more efficient power output and faster recharges.

The OPTIMA® model number for this battery is D31M. If you are replacing an OPTIMA® battery you already have, this model is the same as batteries marked 8052-161, 9052-161, 27931, D31M-1125, BLUED31M, 27551, SC31DM, or N99D31MBLUE.

  • Both dual-purpose and starting applications available
  • Up to three times more recharges
  • More than 15 times the vibration resistance
  • Completely spillproof, mountable in virtually any position
  • Maintenance-free
  • Optimal starting power (Dual purpose and starting applications available)
Product Type Battery
Brand Optima
Warranty (Years) 3
Height (mm) 238
Width (mm) 165
Length (mm) 325
Weight (kg) 26
Voltage 12V
20 Hour 75
CCA / EN 975
Terminal Type Dual Terminals (Both)
Terminal Layout Positive on Left (Layout 1)
Construction AGM
Maintenance Free Yes
Ideal Charge Voltage 14.4-14.8V
Top Up Charge Voltage 13.5 - 13.8V
Suitable for use with motor mover? Yes
Suitable for wild camping? Yes

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