Download High Res Text alternative: Estimated numbers of new cancer cases and deaths in Latin America and the Caribbean, both sexes, 2012. Notably, lung cancer mortality rates among females continue to increase in most countries of the Americas.
Odyssey are generally regarded as the best AGM batteries. They have a service life of 3 to 10 years, & can hold a charge for upto two years. To check the battery.......give it a full charge, then leave for 24 hours, then check voltage.
An AGM battery is a lead-acid battery. You test an AGM battery just like you would test any other lead acid battery. You can measure its state of charge by measuring its voltage. Most AGM batteries are good for a service life of three years. That is probably why the seller is selling them.