Description The NEW Antigravity ATX30-HD battery is a High Power, lightweight Lithium replacement for the YTX-30 Lead/Acid battery, as well as YIX and GYZ models. This is our HEAVY DUTY version, designed with significant Power and Capacity in this popular case size.   YTX30 Standardized Case Size: 6.5 x 5 x 6.8 inches (LxWxH) 970 Cranking Amps 48 Amp Hours (PbEq)/ 24Ah (Actual) 7.81 lbs Lighted Voltage Indicator to see state of charge (doesn’t have RE-START) Safest Battery Technology using full BMS and Lifepo4 Lithium chemistry   NEW! ATX30-HD HEAVY DUTY Series OEM Size Lithium Battery (Direct Replacement) Antigravity Batteries is proud to introduce the NEW ATX30-HD and ATX20-HD. The NEW HD (Heavy Duty) Series was specifically designed to offer SIGNIFICANTLY more Amp Hours (6 Ah more per battery) and Power than the original versions of the ATX20/30 to meet the special needs of those looking for the most compact yet powerful battery. These Batteries are intended for those special applications like heavily accessorized Touring Motorcycles, Racing and Street Performance Vehicles, Experimental Aircraft and more. Simply put, these are the most powerful and compact Batteries available from any manufacturer.   The NEW Heavy Duty ATX30 and ATX20 do not have our RE-START built-in jump-starting feature but offer a deeper level of Discharge for more usable Capacity and more Power for Cranking. They also offer a FULL Battery Management System (BMS) to protect the battery from over-discharge and over-charge as well as having Thermal Protections. This makes for the safest and longest life-cycle possible.   Many Applications These batteries are intended for those special applications where an extremely compact size, with the most Amp Hours possible is required. We have focused these Batteries to work in Performance Street/Race Vehicles, Large Touring Bikes that want extra Capacity, and other uses such as Experimental Aircraft. They can even be used to power 12v accessories.