Proven in the field to achieve three times the life of conventional lead calcium batteries. Odyssey Batteries are High Performance Absorbed Glass Mat (AGM) Batteries, designed to deliver optimum power at all times. Unlike normal lead acid batteries they are happy in high discharge situations making them ideal for use with High Performance Winches. L 331 x W 183 x H 198mm. If you need any more information please contact us via Shop@Gigglepin4x4.net.