Search Products; . Top subscription boxes right to your door, 1996-2023, Amazon.com, Inc. or its affiliates. Absorptive Glass Mat System (AGM System) Banshee batteries make use of fine mat separators (glass fiber) wherein sufficient electrolyte is absorbed to provide the longest life and steady service. Group 27 batteries are very popular in automotive applications thanks to their high power output and relatively small size. (Answer Explained). Shop Banshee Banshee 27M-AGM-Banshee-03 Bci No. What sold me was it had sat for 4-5 months before we went to the cabin and when I went to start the atv I forgot to turn the gas on. Lifeline Batteries are manufactured in West Covina, California by the Concorde . All Banshee group 31 batteries have a built in Hydrometer which easily tells the current state of your battery life and is completely sealed so there is never a need to add water. Banshee 12V 33AH Lithium Battery. var sa_interval = 5000;function saLoadScript(src) { var js = window.document.createElement('script'); js.src = src; js.type = 'text/javascript'; document.getElementsByTagName("head")[0].appendChild(js); } if (typeof(shopper_first) == 'undefined') saLoadScript('//www.shopperapproved.com/widgets/testimonial/3.0/13804.js'); shopper_first = true; //