The 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 their HEAVY DUTY version, designed with significant power and capacity in the popular case size. 

• YTX30 Standardized case size, 6.5"x5"x6.8" (LxWxH)
• 970 cranking amps
• 48 amp hours
• 7.81 lbs
• lighted voltage indicator to see state of charge (doesn't have RE-START)