Description The revolutionary AT12-BS-HD RE-START Battery intelligently monitors its status, and just before going completely dead puts itself to sleep with just enough energy to get your vehicle started again. Simply press the RE-START button located on the battery, start your vehicle and drive away… No more dead battery emergencies or being stranded! The new AT12-BS-HD is an extremely lightweight and high-power Lithium-Ion replacement battery for the heavy lead/acid YT12-BS battery found in many Motorcycles and Powersport Vehicles. The AT12-BS-HD offers the first FULL Battery Management System (BMS) found on a Powersport Battery and includes low-voltage cut-off, over discharge, over-charge, and thermal protections with real time lithium-ion cell balancing. BEST USES: oFor replacement of all OEM Lead/Acid Batteries of same size. oExcellent for everyday use in bikes up to 1500cc. oExcellent for Modified motors, Adventure Bikes and applications where extreme power and larger Amp Hour capacity are needed. oGreat for use in Race Cars up to 600 Horsepower. oExcellent for use in Race Cars of all types up to 500 Horsepower. oNot for use with Personal Water Craft (PWC). oNot for deep cycle application. Meant for starting applications only. Restart your project with a brand new battery and custom machined box! Our Battery Box for Antigravity restart battery (part #AT12-BS-HD) is CNC machined from 6061 aluminum and comes in a polished finish. •assembled size is Approx. 7.125 x 3.5 x 5.75 (LxWxH in inches) •universal style mounting •includes (4) 1/4-20 flathead screws •made in USA