12v 20ah sealed lead acid (sla) battery for agm chrome battery chrome battery has a huge inventory of the oldest and most reliable type of rechargeable battery, the 12v 20ah sealed lead acid battery with nut and bolt connectors, also known as an sla battery. chrome battery sla batteries are 'the workhorse of all batteries' and are constructed with lead calcium alloy and absorbed glass mat technology, which allows for completely 'maintenance-free' operation. no spills, no leaks, no water to check, longest life-cycle product on the market this maintenance-free design allows for the most powerful, highest amp hour capacity. fiberglass mat separators and high cell compression extend battery life by delivering superior vibration resistance from the most extreme conditions. all chrome battery sla batteries are manufactured with the highest quality materials and rigorously tested to ensure safety, oem compatibility, effectiveness and optimal performance. top notch customer service and satisfaction is our top priority at chrome battery. all returns or exchanges are handled with our '60-day no questions asked money-back guarantee', affordable pricing, 18 month warranty, midwest location in the heart of america (indiana), all orders placed by 3pm (est) will ship same day, extremely fast shipping (2-4 business days) chrome battery strives to provide every customer with an exceptional buying experience and top quality batteries at unbeatable prices. thank you for choosing chrome battery for your battery purchase; your business is greatly appreciated.