Philips HS1 Battery – Long-Life Power for OnSite AEDs The Philips HS1 Battery is a long-life lithium battery designed specifically for the HeartStart OnSite (HS1) AED. Engineered for reliable performance, this battery delivers dependable power for up to 4 years of standby time or 200 shocks, ensuring your AED is always ready to save lives. Key Features: 4-year standby life – extended replacement intervals 200 shock capacity – ready for multiple rescues Lithium technology – reliable power in all conditions Pre-installed ready – arrives charged and ready to use Self-monitoring – AED checks battery status daily Technical Specs: Model: M5070A Standby Life: 4 years Shock Capacity: 200 shocks Weight: 0.3 kg Operating temp: 0°C to 50°C Keep your HS1 AED rescue-ready with genuine Philips long-life battery. 4-year standby, 200 shocks, trusted reliability.