Super-high density oxide plate design combined with NanoGel Electrolyte technology increases surface area, giving superior cranking amps, quicker charging, more power, less sulphation and twice the life expectancy of traditional batteries. Strong ABS case uses special top-cap design that makes this a true maintenance free battery, completely eliminating leakage and acid spills. 12V. Cranking power range (depending on model): 110-340A depending on application. Weight: 7.7-19 lbs. Size range: 5.27"-8"×2.7"–4.8"×4.13"-6.7". Air-shippable.