This SHURiKEN 12-Volt Car Audio Power Cell features a sealed absorbed glass mat (AGM) design and is perfect for 1250-watt car audio sound systems. The SK-BT45 can be used as a replacement for your vehicles standard battery or as an additional battery to provide the extra power needed for a high performance aftermarket system. It's unique spill free design allows this power cell to fit in most factory battery locations with no hazardous leaks. SHURiKEN's SK-BT45 Power Cell has a 45 amp hour rating and will resist extreme heat conditions and vibrations and is 100% sealed in a reinforced ABS plastic case. SHURiKEN has designed this power cell to be used with ring terminals or a buss bar. You will love the way SHURiKEN batteries get your system powered up and ready to go!