The dual purpose Optima d34m BlueTop has a light gray case and can be used for both starting and deep cycling. It is a true deep cycle battery with extremely high cranking power.
The Optima blue top d34m is perfect for trolling motors and any marine applications with heavy electrical accessories.
If you're a boater who needs sure starting, strong cranking, and a maintenance free power source for your boat, even in harsh conditions, then check out Optima Batteries 8016-103 D34M.
The 12 volt, 750 Cold Cranking Amps battery has a reserve capacity of 120 minutes for constant performance. The higher reserve capacity gives you a longer shelf-life and will give you the power when you need it.
Optima Batteries 8016-103 have optimal starting power even in bad weather and fifteen times more resistant to vibration for durability.
The Optima 8016-103 D34M BlueTop Starting and Deep Cycle Marine Battery has efficient power delivery and faster recharge time. This means you’ll spend less time worrying about your battery and have more time for fun.
With dual SAE & 5/16" Stainless Steel Stud Posts the Optima blue top d34m weighs 43.5 pounds and its size is 10" x 6 7/8" x 7 13/16" tall.
Source: Amazon Reviews:
"The very best we ever had for our boat"
"Works great trolled on lake with 55 minkota 7hrs no loss of power"
"Purchased 3 from amazon very well packaged and fast shipping"
"Best marine battery on the market"
"Arrived today (2 days) in a very sturdy cardboard enclosure"
"I love these batteries my last set lasted me 7 years until I could notice loss of power after 6 -7 hours fishing. Highly recommend"
In our research most of the customer feedback on the Optima blue top d34m was very positive.