Many reviewers supply statistics regarding amps, amp hours etc. I will give you my seat of the pants review. Have replaced my 4 6 volt batteries in my class A motorhome. Fits in nicely with room to spare and just two new battery cables, good install. The battery came at 12.5 volts, I charged it fully 13.9 volts with the charger in my motorhome, did not keep track of how long but seemed to be reasonable time. Gauge said in float setting. Then I ran three movies (DVD player) of course with tv on and amplified sound system. Barely made a dent in the charge. Then I made 4 cups of coffee two teas for my wife in a single cup coffee maker that draws 750 watts. This was over 3 days, not plugged into shore power. TV now running two days, daytime only, approximately 24 hours total. After all this without recharging, the battery was at 12.8 volts, excellent for us. The idiot lights on my display still at full charge. Then I set up our 2 100 watt solar panels with an mppt controller, again I did not keep exact time but after a few hours maybe 4 of direct Nevada sunshine the display in my motorhome was at bulk and the voltage was at 13.4 volts. The wind up is this battery has exceptional storage capacity for our use, I gave it only 4 stars because who knows about longevity. In a few months we will be snow birding for the winter if I have problems I will update. This review is for non experts like me passing on usable information, I am just a satisfied customer.