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Customer reviews for Duracell AGM Deep Cycle Marine and RV Battery, Group Size 34M for
Duracell AGM Deep Cycle Marine and RV Battery, Group Size 34M
3.6 out of 5 stars
stars
55 ratings40 reviews
  1. 5 stars58% (32)
  2. 4 stars4% (2)
  3. 3 stars4% (2)
  4. 2 stars5% (3)
  5. 1 star29% (16)

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Showing 11-20 of 40 reviews
Jun 13, 2018
Reviewer name: EJD
5 out of 5 stars
5 out of 5 stars review

Great battery - still going after 4 years

I purchased two of these and four AFG Golf batteries. The 34M that was used as a starting battery for a 27hp diesel engine..just started to lose cranking amps. The battery held up for four years and operated in a hot engine room. I will purchase another.

Helpful?47N1DHR3AD0W8399630002
Feb 11, 2020
Reviewer name: dpsper
5 out of 5 stars
5 out of 5 stars review

Well worth it.

I bought this battery in the beginning of the 2014 season. I did my due diligence of research. This is an East Penn battery. Like anything else, with proper maintenance it will last. 15 foot BlueFin 30hp Johnson. I troll with a 45lb Minn Kota for a few hours a day with 2 people on board with a full cooler and gear. I set my fishfinder alarm for 9 volts and IF the alarm sounds it still spins the starter off like new. One day trolling hard for 3 hours my buddy asked how long the battery lasts, told him I don't know, but I can start the engine if you want. Back to maintenance... the 4 amp charger on my 30HP Johnson wont bring it all they way up on a 4 mile return to the dock. Put the Schumacher charger on it at home and do it again tomorrow. Looking forward to the 7th season.

Helpful?47N1DHR3AD0W8399630002
Apr 1, 2017
Reviewer name: MJB
1 out of 5 stars
1 out of 5 stars review

AGM not worth the hype

battery only used in summer time for two seasons (purchased 20 month ago ). May have used the battery a total of 20 times to power a 36lb thrust trolling motor. Never really lasted more than an hour or so with on and off usage before it lost most of the power. I assumed that is all the life one would get on a single charge.... Always kept the battery charged as recommended. Less then 2 years later it wont hold more than 5 min charge. Since warranty was for only 18 month replacement and no prorated extension, we are now looking for a new one. So much for trying to get a better grade battery with longer life as advertised. Would not recommend this battery as we have now learned the one we purchased has poor performance....

Helpful?47N1DHR3AD0W8399630002
Apr 30, 2015
Reviewer name: MIFisher
5 out of 5 stars
5 out of 5 stars review

Excellent Battery

Chose the AGM model based on feedback from techs because of the 100% maintenance free feature of an AGM sealed battery. I have used it for and 8' boat with a 13lb motor, and a 14' canoe with a 30lb motor and it has provided all day fishing trips for both using the trolling motors for primary propulsion. It is heavy, but maintenance free and slow battery charge drainage are great! Excellent little battery.

Helpful?47N1DHR3AD0W8399630002
Apr 9, 2023
Reviewer name: Gator
5 out of 5 stars
5 out of 5 stars review

Still going…

Bought two of these in May 2018. 5 years and still work fine. Tempted to keep running them but I run offshore so I am replacing for maintenance reasons. Boat sits sometimes for 3 weeks or longer and no issues with battery. If over 3 weeks no use I connect on board NOCO gen3 charger overnight.

Helpful?47N1DHR3AD0W8399630002
Dec 23, 2019
Reviewer name: dickman
5 out of 5 stars
5 out of 5 stars review

HOLDS A CHARGE AND GREAT FOR FARM USE

I use this to power an electric fence for goats - solar charged, the set up has some shade in the wintertime, and this battery will draw down until the charger shuts it off, about 11.5 volts. Been doing this with two of these batteries, purchased at the same time (I change one for the other when they finally can't be kept up by the solar) for over 6 years, and they are just now getting to the point they won't hold a charge. Good battery for the price, and AGM / maintenance free can't be beat!

Helpful?47N1DHR3AD0W8399630002
Jul 5, 2026
Reviewer name: John
5 out of 5 stars
5 out of 5 stars review

Superb service

I just pulled two of these from my RV with a manufacturing date of 11-19. They both tested PERFECTLY. This is statistically unusual as 7 years is the extreme limit of their duty lifespan. I plan to replace them as a precaution.

Helpful?47N1DHR3AD0W8399630002
Aug 24, 2016
Reviewer name: RiverManPaul
5 out of 5 stars
5 out of 5 stars review

Very pleased

I have three of these. No trouble with them at all and plenty of juice when needed. I've owned them for going on two years. I had one go completely flat but it took a charge and I can't tell any difference in function.

Helpful?47N1DHR3AD0W8399630002
Oct 14, 2014
Reviewer name: Matt
5 out of 5 stars
5 out of 5 stars review

A High Quality East Penn Battery

It is made by the East Penn battery company which is a renowned as a very high quality battery manufacturer. This battery is an absolute steal at this price. It went in my RV and it works well. I expect many years of service out of it.

Helpful?47N1DHR3AD0W8399630002
Nov 28, 2017
Reviewer name: bitty
1 out of 5 stars
1 out of 5 stars review

Poor durability

Bought just 2 years ago and it now has no cranking amps. I have other AGM batteries that are going on more than 7 years and charging and working without fail. Cannot recommend this brand

Helpful?47N1DHR3AD0W8399630002