) The Mighty Max Battery 12V 18AH SLA Replacement Battery for Powerland 1000 is a high-quality replacement battery for Powerland 1000. This battery features sealed lead acid (SLA) technology, making it maintenance-free. Additionally, the Mighty Max Battery 12V 18AH SLA Replacement Battery for Powerland 1000 is UL certified. With dimensions of 7.17 inches x 3.03 inches x 6.57 inches, this battery is sure to fit in your Powerland 1000.