YTX4L-BS 12V AGM Motorcycle Battery Sealed High Performance - Maintenance Free They offer extreme freeze, heat ,extreme weather and vibration resistance.AUTOCESSKING maintenance-free powersports batteries offer excellent performance, reliability and long life.Leak-proof and spill-proof up to a 90° angle, AGM motorcycle batteries are ideal for motorcycles, scooters and motorsports vehicles subject to strong vibrations such as quads and snowmobiles. The AUTOCESSKING YTX4L-BS is an excellent battery for motorcycles that feature a high cold cranking amp with a low self-discharge rate and high resistance to mechanical impact and vibrations. It is ideal for use as a cranking or starting battery for motorcycles due to the large bursts of power it provides during startup.YTX4L-BS motorcycle battery has the following characteristics:Maintenance-Free Design, also known as factory activated motorcycle batteries.Spillproof and Leakproof DesignUL, CE and ISO 9001 CertifiedAbsorbed Glass Mat Design(AGM)Valve Regulated Vent SystemExtreme Freeze, Heat and Vibration ResistanceSuperior Starting Power and Deep Cycle CapacityYTX4L BS Battery Specifications Dimensions: (L) 4.49 in x (W) 2.80 in x (H) 3.35 inWeight: 3.15 LbsCCA: 80Voltage: 12VCapacity (10 hours rate): 3AHCharge Current (A): 0.4ACase Material: ABSSeparator: AGMThey differ from Conventional Motorcycle Batteries in that they do not need constant care and addition of water, which saves you a lot of time and effort.They also will not spill acid and have a slower discharge rate than the conventional batteries.