Upgrade your flooded battery with a Northstar high performance AGM AGM Batteries are great in both deep cycle and starting applications. They charge more quickly than conventional batteries, have low 3% monthly self-discharge rates and aremaintenance-free—no need to add water. The spill-proof, valve-regulated design eliminates acid spills and terminal corrosion. AGM batteries are safer to operate thanconventional flooded batteries, as the chance of explosion or acid spray is reduced which allow them to be installed in almost any location and any position (exceptupside-down). Northstar AGM batteries build on the features noted above. They ensure easy installation with an exact OEM fit by building each case to exact BCI standards. These AGMs are capable of cycling 900 times when discharged to 50% of its capacity. The durable heat resistant case combined with excellent vibration resistance will give you the confidence your battery will stand up to years of abuse in the marine environment. Most are offered with SAE posts and threaded terminal studs and provide two ways to secure battery cables for a drop in and connect installation. Key Features Maintenance free; no water levels to check or terminals to clean Spill free; can be installed in most locations in any position (except upside-down) SAE and Threaded terminal studs allow installation without changing your existing battery cable terminals OEM fit is ensured - built to exact BCI standards Suitable as a staring battery or house bank battery Cycles over 900 times to 50% depth of discharge Faster recharge than conventional batteries Heat resistant case Exceptional vibration resistance to stand up to wave pounding or long dirt roads Made in the US Specifications Group Size: Group 27 Terminal Type: SAE posts Amp Hours (Ah): 91 Cold Cranking Amps (CCA): 930 Marine Cranking Amps (MCA): 1080 Reserve Minutes: 195 Weight: 68 lbs. Dimensions: 12 3/8"L x6 3/4"W x 8 3/4"H Warranty: Three years