Defibtech Lifeline AED Semi Automatic

The Defibtech Lifeline® AED (DDU-100) is the original Defibtech AED and one of the most widely used semi-automatic defibrillators worldwide. Designed for simplicity and reliability, the Lifeline delivers mission-critical features for rapid treatment of sudden cardiac arrest (SCA)—making it ideal for both medical and non-medical personnel.

Key Features

Simple Two-Button Operation

The Lifeline features intuitive two-button design:

• Green button to turn ON

• Red SHOCK button (only enabled when a shock is advised)

This straightforward design removes confusion during emergencies, allowing anyone to use it effectively.

Clear Voice & Visual Prompts

• Calm voice guidance leads you through each step clearly and concisely—one instruction at a time

• Brightly lit progress lights provide visual reinforcement of voice instructions

• Visual indicators communicate AED status and patient condition

Biphasic Truncated Exponential Waveform

• Impedance-compensated biphasic waveform—the most studied and clinically proven shock technology

• Adult energy: 150 Joules (into 50-ohm load)

• Child/Infant energy: 50 Joules (when using pediatric pads)

• Extensive clinical success in thousands of defibrillators worldwide

Semi-Automatic Design

• Automatically analyzes the patient's ECG

• Determines if a shockable rhythm is present

• Charges automatically when a shock is advised

• SHOCK button only activates when necessary—you must press it to deliver the shock

• Fully integrated design with no lids or moving parts

Long-Life Battery

• 5-year or 7-year non-rechargeable lithium battery pack available

• Delivers up to 125 shocks or 8 hours of continuous use

• Includes readiness indicator

Pediatric Capable

• Works with child/infant electrode pads for pediatric patients (peds pads sold separately)

• Automatically attenuates energy to 50J for children and infants

Data Recording

• Records event data including ECG, SHOCK/NO-SHOCK recommendations

• Optional audio data recording

• Up to 12 hours of ECG and event data storage with removable storage (optional)

What's Included

Specifications

The Defibtech Lifeline® DDU-100 combines proven biphasic technology, simple two-button operation, and clear voice guidance in a lightweight, portable design. It's the trusted choice for workplaces, schools, gyms, public spaces, and any location needing reliable SCA protection.