Lifeline Marine AGM Battery - GPL-4CT

We purchased 4 of these 6V Lifeline batteries plus one group 31 12V Lifeline battery for our sailboat. We wired them to have a house bank of 440 AH 12 V and a separate starting bank with the group 31 (105 AH). They lasted for 6 years of fairly heavy use, even though we abused the starting battery by using it overnight a few times, running it down. These are the best deep cycle batteries we have found. We just ordered a full replacement set from Parts Online on Amazon, and we were amazed by the seller. The batteries arrived a day earlier than promised and the packaging was incredible. The batteries were in their factory boxes packed inside larger shipping boxes with at least two inches of rigid expanded foam. In short, if you are willing to pay the money for these batteries, ordering them on Amazon from Parts Online is great.

Purchased 4 batteries for motorhome. Three (3) years later and they are not holding up. Called lifeline and was told the batteries were manufactured over four (4) years ago so "Sorry Charlie". I guess this is my bad, thought I was paying $419.00 each for a 6 volt battery that was "better then the rest", but got nothing special. I won't waste money and just buy cheap batteries every year. Personally I know believe it is all adveristment.

I've run several DC devices from this and it hasn't lost power yet.

I did a lot of research and these batteries seemed to be highly recommended in their reviews. I'm lucky to get 3 days running at 4 amps and bringing in 11+ amps of solar. Disappointed.

I have had the lifeline batteries before in a 94 Boulder Motorhome. Those batteries were 12 years old when I sold unit and they were still working 100 percent. I installed six Lifeline 6volt batteries in our recently purchased 04 Winnebago Vectra and they are performing great. I try to go with what works the best and Lifeline is it.

What I wanted in an expedient manner….l

Would not recommend for RV or boat. I have to have 2 fully charged or it won't even run my small refrigerator. Then you have to charge them fully without anything connected to them. Then you can't use them for at least 4 hours after they are charged. If you live on a boat or RV you need constant power. You can't use these batteries while you're charging them or for at least 4 hours after they are charged. Useless when you need them for power supply. Only good for temporary use. Pay the extra money and get real ones. The batteries I got from west marine ran my refrigerator and everything else for 3 days before I had to charge them back up. These batteries only run my refrigerator for about 3 hours. That's it! Ridiculous! Just remember, you have to fully charge these batteries with no load and then not use them for 4 hours after they are charged! They don't tell you that when you go to buy them!

A very good product -the same kind of batteries lasted in my boat more than nine years.