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Customer reviews for Duracell Marine Deep Cycle Battery, Group Size 27 for
Duracell Marine Deep Cycle Battery, Group Size 27
3.8 out of 5 stars
stars66 ratings51 reviews
  1. 5 stars55% (36)
  2. 4 stars12% (8)
  3. 3 stars6% (4)
  4. 2 stars9% (6)
  5. 1 star18% (12)
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Showing 1-10 of 51 reviews
Jan 19, 2017
Jerryjay11
5 out of 5 stars review

Verified Purchase

Dependable batteries

Purchased three a year ago for my bass boat and they are going strong. Purchased two more recently for my camper trailer to run in parallel for longer lasting power so that we may boondock for longer periods.

Helpful?1CUQ0N61KUBN8399630033
Sep 17, 2017
Pego
5 out of 5 stars review

Verified Purchase

Great product

Both 2 for our RV, works great, no problems

Helpful?1CUQ0N61KUBN8399630033
Jul 26, 2025
Mike
5 out of 5 stars review

Verified Purchase

It’s a battery

So far it’s working using to power an electric driveway gate

Helpful?1CUQ0N61KUBN8399630033
Aug 8, 2025
markandy61
5 out of 5 stars review

Verified Purchase

Good battery, good service

I've used this battery twice while fishing on a trolling-motor-only lake with my 17-foot bass boat, and it has gotten me around the lake just fine.

Helpful?1CUQ0N61KUBN8399630033
Apr 7, 2026
TIM
5 out of 5 stars review

Outstanding especially for the price.

I honestly can't believe how great these batteries have been. I bought two of them in 2020 and put them in my camper. They get charged while boondocking on 2 - 100 amp solar panels and then on the basic built in charger for the camper when at home. No special treatment or maintenance given since bought, they lasted up until the end of last summer (2025), and I'll be getting another set in the next couple of weeks to kick off this season. Even better considering when I bought them they were on sale for $69.

Helpful?1CUQ0N61KUBN8399630033
Sep 26, 2025
Dave
5 out of 5 stars review

Verified Purchase

Deep cycle battery

Affordable and dependable

Helpful?1CUQ0N61KUBN8399630033
Jun 30, 2020
Colohunter
3 out of 5 stars review

Verified Purchase

Warranty

12 month warranty!

Helpful?1CUQ0N61KUBN8399630033
Nov 7, 2025
Schmitty
2 out of 5 stars review

Verified Purchase

Doesn’t come charged

Not charged

Helpful?1CUQ0N61KUBN8399630033
Mar 19, 2022
Bj
1 out of 5 stars review

Absolute JUNK!!!

Kept on high dollar battery maintenance device.Literally never took motorhome on a trip after installation. Dead short both batteries in 13 months. May have been used 2-3 times for simply turning lights on in motorhome to do semiannual checks. STAY FAR AWAY. TOTAL AND ABSOLUTE JUNK... ZERO STARS RATING.

Helpful?1CUQ0N61KUBN8399630033
Jan 10, 2013
MikerBiker
1 out of 5 stars review

Bad Choice

Bought this deep cycle battery to back up my sump pump. Lasted less than 17 months. Had both the sump pump charger and the battery tested. Charger was fine. Battery failed two separate tests (Sam's and the pump mfg). And, I was diligent in keeping the electrolyte at the prescibed level. In contacting Duracell, they offered no help or explanation. Seems it's always the dumb consumer's fault.

Helpful?1CUQ0N61KUBN8399630033