Trojan Battery L16HC, 6 volt 420 Amp Hours High Capacity: Rated at 420 Amp*Hours for a 20 hour discharge rate. Specifically developed for renewable energy applications. Extra electrolyte reservoir reduces maintenance. True deep cycle construction delivers maximum reliability. Acclaimed multi-rib separators optimize product life. New 7 year warranty: Click Here New Polyon case is lighter, sturdier, and safer. Larger than the T-105 golf cart type battery, its lead plates are twice as thick so as to withstand more abuse and last longer. Flag-style terminals allow connection of large cables. Includes handles for easy lifting. Use pairs these batteries in series for 12V configuration, sets of four for 24V and so on. Life expectancy is from 5 to 10 years, assuming 300 cycles at 80% depth of discharge. Add these sets of batteries in parallel for increased amp*hours. Each battery is rated at 420 amp*hours. All Trojan batteries carry a 1-year manufacturer's warranty. Dimensions: 11 5/8" x 7" x 16 3/4" / 295 x 178 x 424 mm Weight: 121 lbs. / 55 kg