11141-000028 LifePak 12 SLA Battery NOTE: This battery has been discontinued by Physio-Control. We offer a service to rebuild your origional battery with factory fresh cells. . Please call for replacement options. Rebuilt unit RD6005-R LIFEPAK 12 Battery 2.5 Amp Hour Capacity by Physio-Control. Rechargeable SLA (Sealed Lead Acid).