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OPTIMA

OPTIMA Batteries High Performance D34M BlueTop Dual Purpose Deep Cycle and Starting Sealed AGM Boat and RV Battery, 750 CCA, Dual Terminal, Maintenance Free, Versitile Mounting

  • Based on 1,439 reviews
Condition: New
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Wednesday, Sep 3
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Features

  • BATTERY SPECS: 12-Volt, 750 Cold Cranking Amps, Size: 10.06" Length x 6.88" Wide x 7.94" Tall, Weight: 43.5 pounds, Dual SAE & 5/16" Stainless Steel Stud Posts, C20 Capacity: 55 AH, MCA 870
  • RESERVE CAPACITY of 120 minutes for constant performance. Faster charging capabilities.
  • SPIRALCELL TECHNOLOGY: Spircalcell Technology with 99.99% pure lead delivers more power and consistently outperforms conventional flat-plate batteries. Optimal starting power even in bad weather.
  • LONG LASTING: Fifteen times more resistant to vibration than standard flooded battieres for durability and Up to 3 times longer life vs. standard flooded batteries.
  • DUAL PURPOSE & MAINTENANCE FREE: Dual purpose for both deep cycle and starting applications. Maintenance Free for maxium convenience.

Description

The OPTIMA D34M BlueTop is designed as a dual purpose battery, both starting and deep cycle for people who need a sure-starting, strong cranking, and maintenance free power source for their boat or RV, even in harsh conditions. The unique SpiralCell design provides a strong and clean power source, ensuring the safety of you, your family and the environment. The higher reserve capacity gives you a longer shelf-life to give you the power when you need it, where you need it. This battery is designed to be used with recreational vehicles or boats with large accessory loads. Refer to the user guide for troubleshooting steps. Up to 3x longer life and maintenance-free. Spillproof, mountable in virtually any position. More than 15 times the vibration resistance of standard flooded batteries. Best choice for supporting high electrical demands.

Brand: OPTIMA


Size: 10 x 6-7/8 x 7-13/16 inch


Product Dimensions: 6.88"D x 10"W x 7.81"H


Number Of Cells: 6


Terminal: Marine Terminal


Automotive Fit Type: Vehicle Specific Fit


Manufacturer: Optima Batteries


UPC:


Global Trade Identification Number: 15, 31


Brand: ‎OPTIMA


Size: ‎10 x 6-7/8 x 7-13/16 inch


Product Dimensions: ‎6.88"D x 10"W x 7.81"H


Number Of Cells: ‎6


Terminal: ‎Marine Terminal


Automotive Fit Type: ‎Vehicle Specific Fit


Manufacturer: ‎Optima Batteries


UPC: ‎811405001031 721112819815 721112767376


Global Trade Identification Number: ‎15, 31


Model: ‎Optima Batteries D34M BlueTop


Item Weight: ‎43.5 pounds


Item model number: ‎OPT8016-103


Batteries: ‎1 12V batteries required.


Is Discontinued By Manufacturer: ‎No


Manufacturer Part Number: ‎8016103


Amperage: ‎55 Amps


Date First Available: July 20, 2005


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Sep 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

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Similar Products

Top Amazon Reviews

    • Great product. Works as described.
Style: Single
Great product. Works as described. Highly recommend.
Reviewed in the United States on August 12, 2025 by Sam
    • Update: OK, customer service doing the right thing
Style: Single
I bought this battery a bit over 1 year ago (on May 2023). Even after completely charging the battery on an OPTIMA charger, the battery would barely crank over a 20 hp outboard motor. I should have tried to return the battery then, but it still worked (barely), and I needed it for the boat. In Nov 2023 the battery was placed on an OPTIMA charger over the off season. Once again, this spring, the battery is still weak. The battery is not much better than the OPTIMA battery I replaced which I used for 9 years! Very disappointed and I will not be purchasing OPTIMA batteries again. UPDATE: I called customer service and explained the problem, and they will honor the warranty. Following the phone conversation, I got an email that said: We will need a picture of your proof of purchase and a picture of the bar code on the side of the battery Put your case # in the subject line and email to [email protected] I have yet to send in the info, but it seems like I will be able to get a replacement (I'll update here if I do not) So, great Optima customer service! (I knocked off one star as I did receive a faulty battery) Last update: Replacement battery just arrived!! Added back a star ... show more
Reviewed in the United States on July 8, 2024 by Joe V
    • Great battery's
Style: Single
Just bought two new ones to replace the same battery's that were still working fine but were 9 years old in my boat. Only replaced due to age to feel better about running offshore.
Reviewed in the United States on August 14, 2025 by Adam S.
    • Won't charge beyond 06V, 6-7months after bought.
Style: Single
Blue Top Optima batteries used to be best to-go options for people who want to have a little more oomph or use deep-draw accessories, such as winches, etc. Not anymore. I've had 5 of these in several vehicles. This is the second time I buy this same model battery AND have it die. Previous one retaining 12V at 13-14months after bought, would drain in 2 days, tops. This one, the replacement, just stopped charging beyond 06V, out of the blue (likely the cells inside became disconnected?). Several attempts to bring it back, using various chargers (including the Optima one, which is expensive AND useless ) have yielded no positive result. Now, the warranty is being handled by Optima directly, and it's a royal pain in the ass with tap dancing steps and obstacles to providing warranty to the customer. Where it was, once, easy to reach and get warranty, now they are intent on making it a terrible experience for customers. Not the wisest notion. This has been my last Optima Blue Top. I don't know what is going wrong there, but their QAQC is either absent or woefully inadequate. Have started the painful process of getting warranty for this, and not feeling happy about it, whatsoever. Also hoping their Yellow Top series has not followed same sad end. Loom elsewhere for your next such battery. ... show more
Reviewed in the United States on July 14, 2025 by F. Moya
    • Great product
Style: Single
Two 12 volt batteries to 24 volt bow mount trolling motor. Lasted 6 years. Excellent batteries that take a beating ( pounding salt water environment). Just installed two new D34M's
Reviewed in the United States on May 12, 2025 by robert bryan
    • Nice
Style: Single
Good battery
Reviewed in the United States on August 19, 2025 by Creig
    • Good battery so far; Only on the water 2 months
Style: Single
Just bought in July 2024 to replace a dead AGM. Battery seems to hold a 12.4v charge when I do not have the battery charger on the boat run. I drained the charge in 2 weeks with just the marine radio idle - not on - which was surprising. But, did let me know the Guest 10 amp charger was toast ( it lasted a surprising 20 years). Running two Humminbird Helix units, starts a Yamaha 150 hp 4-stroke and all boat accessories. Have hit it pretty hard with say 6 hours on the sonar units and so far so good. Will report back, but seems like a good battery and alternative to the newer lithium batteries. ... show more
Reviewed in the United States on August 19, 2024 by Redfield
    • Old Battery?? Apparently not.
Style: Single
The battery showed up with no date stickers. The only time I've heard of this happening is when someone doesn't want it known just how old the battery is. I emailed Optima about this and never got a response. I probably bought a battery that has been sitting on the shelf for years. Thanks a lot Optima!! * * Before I returned it I decided to call Optima and got through to customer service fairly easy. Apparently the Non-Spillable tag has the date code in it. First number (5 on my battery) is the year it was made, 2025. the next 3 numbers is the days it was made (044 on my battery) meaning 44 days into the year or February 13th. It would have been nice to have got this info the easy way but now I am happy I have a fairly new battery. I also learned that the Optima's 3 year factory warranty is honored on purchases through Amazon Now I'm very happy!! ... show more
Reviewed in the United States on June 2, 2025 by BTROUTER

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