![]() ![]() FLOODED (starting maintenance free or deep cycle): Deka, Deka Marine Master, Trojan, Rolls. Our wide selection of products allows to offer the best solution at the very best Price. The last few GC2's and group 24, 27 or 31 batteries I have autopsied showed the separators to be nearly twice as thick in the golf car batteries than they are in the automotive cased batteries. With more of 35 years in the market, Nationwide Battery is proud to deliver only World Class Brands for any type of requirements in the marine industry. Separators are thicker in industrial batteries than they are in automotive cased flooded batteries. ![]() Why? I don't have a good answer other than to point at the separators and space below the plates. It also happens in golf car batteries but to a much lesser extent than I see it in "automotive" case batteries. West marine does test batteries in order to ensure that they are working properly and will last a long time. ![]() The rate of internal failures I see in marine batteries is highest in 4D & 8D then group 24, 27 & 31 flooded batteries. They are taking a charge but seem unable to maintain a charge for longer than 24 hours. The boat arrived with both the batteries completely exhausted. 509.99 WEST MARINE Deep Cycle Flooded Marine Battery, 75 Amp Hours, Group 24. Dual-Purpose Flooded Marine Battery, 1280 MCA, Group 4D. Visit for products, reviews, questions and more. What can be expected regarding usual life The two I have were replaced in 2008 by the previous owner. Shop the best selection of WEST MARINE Flooded Marine Batteries from West Marine. WEST MARINE L Terminal Dual-Purpose AGM Battery, 198 Amp Hours, Group 4D Get your needs for men and women.Anniversary Gifts for Men, Husband Gifts, Boyfriend Gifts. Will a battery still work beyond this point? Absolutely, and they do, but the catastrophic failure rate, such as an internal short, starts to increases pretty steeply as the rated Ah capacity drops below this 80% figure. 1 This is a new boat to me and I have never owned one with 4D Batteries (2) before. ![]() By industry standards a flooded battery is dead when it can no longer deliver 80% of its rated Ah capacity. Core charge will apply to battery purchase if an old 12V battery is not exchanged at the time of purchase. All loads based on actual values observed with Link. Bluetooth speaker iPad/iPhone charged by 12V or independent Goal Zero solar Cordless drill Xantrex ProSine 1800 Will only charge as needed for possible repairs. The Deka 8A4D (8A4DM) is a direct replacement for any group 4D lead-acid, GEL, or AGM batteries.In the real world we have so many factors that inhibit lab like results that it is nearly impossible to get anywhere close to this data. Super Start AGM Dual-Purpose Marine/RV batteries are ideal for starting, on-board electronics, stereo systems, off-road and recreational vehicles and marine applications. Dimensions: 8 5/16'L x 5 1/8'W x 7 1/4'H. Goal Zero Venture 30 battery/folding panel for emergency/independent charging of devices/iridium/HH VHF. These are manufactured by East Penn Manufacturing who also makes batteries for MK Battery. It has an under 2% per month self discharge rate. The AGM technology allows for a completely sealed maintenance-free battery with no sulfuric acid leaks, no acid clean up, and more power in the same space when compared to conventional batteries. The Deka 8A4D (8A4DM) is an American made AGM (absorbed glass-mat) deep cycle battery. Sealed Maintenance Free Deep Cycle Batteries for Marine, RV, EV (Electric Vehicle), Golf Cart, UPS, Inverter, Solar Panel (Photovoltaic), Telcom, CATV and Stand-by Applications ![]()
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