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Availability:: May need to be ordered / Limited stock
Product Code: D34M

Description Key Features
Optima Blue Top Battery (D34M)

Product Features
* Volts: 12
* CCA @ -18 Deg: 750
* RC at 25 Deg: 120
* Dimensions: 254mm x 171mm x 199mm
* TH: 199
* Wet Weight: 19.6 kg
* Warranty: 36 months

Optima D34M Blue Top Marine Battery

OPTIMA BLUETOP D34M 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.

If you are looking for a deep-cycle group 24 or 34 battery for boat or RV, this is the one for you.

The OPTIMA model number for this battery is D34M. If you are replacing an OPTIMA battery you already have, this model is the same as batteries marked 8016-103, 9016-103, 27934, D34M-950, BLUED34, 12854, SC34DM, or N99D34MBLUE.

DOES NOT include installation and/or height adapters for automotive, light truck or van applications. The appropriate adapters are included with REDTOP and YELLOWTOP batteries.

Warranty: 2 years private use, all OPTIMA have their warranty details on the top label and are honoured by the warranty stated on that label.


CCA (BCI 0F): 750 amps
MCA (BCI 32F): 870 amps

Recommended Charging

The following charging methods are recommended to ensure a long battery life:
(Always use a voltage regulated charger with voltage limits set as described below.)

Model: D34M
These batteries are designed for starting and deep cycle applications and for use in vehicles with large accessory loads.

Recommended Charging Information

Alternator: 13.65 to 15.0 volts
Battery Charger: 13.8 to 15.0 volts; 10 amps maximum; 6-12 hours approximate
Float Charge: 13.2 to 13.8 volts; 1 amp maximum; (indefinite time at lower voltages)
Rapid Recharge (Constant voltage charger): Maximum voltage 15.6 volts. No current limit as long as battery temperature remains below 125F (51.7C). Charge until current drops below 1 amp
Cyclic or Series String Applications:

14.7 volts. No current limit as long as battery temperature remains below 125F (51.7C). When current falls below 1 amp, finish with 2 amp constant current for 1 hour.
All limits must be strictly adhered to.