Product Summary
Optima
Capacity (Ah)
Warranty (Years)
3
Terminal Layout
Positive on Left (Layout 1)
Terminal Type
Dual Terminals (Both)
H: 238mm x W: 165mm x L: 325mm

£234.99Including VAT & Standard Delivery
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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)
Height (mm)

238

Length (mm)

325

Width (mm)

165

20 Hour

75

Brand

Optima

CCA / EN

975

Construction

AGM

Ideal Charge Voltage

14.4-14.8V

Maintenance Free

Yes

Product Type

Battery

Suitable for use with motor mover?

Yes

Suitable for wild camping?

Yes

Terminal Layout

Positive on Left (Layout 1)

Terminal Type

Dual Terminals (Both)

Top Up Charge Voltage

13.5 – 13.8V

Voltage

12V

Warranty (Years)

3

Weight (kg)

26

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