The Lifeline GPL-4CT is a 6V 220Ah (C/20) AGM battery.
Dimensions are 10.22”L x 6.95”W x 9.63”H and 66lbs (562mm x 177mm x 245mm and 30 kg)
Lifeline AGM batteries are among the best lead acid batteries available.
They are manufactured in California by Concorde Battery. When you choose Lifeline, you get high quality construction designed to last many years in deep cycle usage.