Replacement Laptop Battery, 15.4V, 733mAh

This replacement lithium-ion battery is engineered to restore full functionality to compatible Acer laptop systems. Featuring robust Li-ion construction with a 15.4V output and 57Wh capacity (3,550-3,733 mAh), the AP21D8M delivers reliable power performance for extended work sessions. The battery is designed to meet original equipment specifications and integrates seamlessly with Acer's charging circuitry, supporting both Li-ion and Li-polymer battery profiles with matching electrical parameters. This component is compatible with select Acer Nitro laptop series, including AN517-41 and AN515-58 models, making it an ideal maintenance solution for IT departments and individual users requiring OEM-equivalent replacement power sources. The black-cased design maintains aesthetic consistency with original equipment. Ideal for businesses maintaining Acer laptop fleets or users seeking to extend device lifespan, this battery provides a cost-effective alternative to full system replacement. Part number AP21D8M KT.0040G.015 ensures proper identification and compatibility verification before installation. Backed by consistent specifications across verified sources, this replacement battery offers industrial-grade reliability for demanding computing environments.