The Progetti RS4b battery is a high-performance replacement power source for the Rescue Sam 4.0 and 4.0D AED units. Designed for reliability in emergency settings, it uses proven lithium-manganese dioxide (Li/MnO₂) chemistry to deliver consistent power and long operational life.
Reliability and Safety
This battery is designed to support all AED self-tests, including daily, weekly, and monthly system checks. Its robust construction ensures dependable performance in critical situations, while built-in safety features help prevent overheating and short-circuiting.
Installation and Maintenance
Easy to install—simply click into place
Integrated with AED status monitoring
LED indicators on the AED provide battery health updates
Why Choose the RS4b Battery?
Using a genuine Progetti battery ensures compatibility and maintains compliance with the AED’s performance and safety standards. It helps avoid device errors, ensures maximum uptime, and supports warranty requirements.
Stock items are usually dispatched and delivered within 1 to 3 working days.
In most cases, items in stock that are ordered before 12 noon are delivered on a next working day service.
For accurate delivery information, please call 0845 862 9500 or press the live chat button to speak to one of our online sales team.
If you need this item urgently please contact us using the live chat or call us on 0845 862 9500 to enquire about our premium rate delivery service including same-day, timed and weekend deliveries.
