The DataSafe DX 4DX-13B is a flooded lead calcium flat-plate battery. This cost-effective battery was built to handle high-rate UPS applications, such as data centers. The 4DX-13B is very efficient, thanks to its four-cell construction. This allows customers to purchase less batteries, saving money on equipment, installation, and maintenance. The DataSafe DX 4DX-13B has dual lug, Slide-Lock post seal, and optimal grid design elements for the best possible performance. This battery lasts up to 20 years and is rated at 100% capacity when it is initially discharged. The battery is protected by a fire-resistant PVC cover.