This long-life low-maintenance LiMnO2 Non-Rechargeable Battery Kit includes; Battery Pak (Cat No. 11141-000156), Discharger (P/N 3301604) and Instructions on safe disposal of Battery Pak. Battery must be completely discharged before recycling. Designed for the Physio-Control LIFEPAK® 1000 Defibrillator. Kit items are not sold separately. Battery includes test gauge (gray button).