Semi-Automatic Defibrillators

Semi-automatic defibrillators are devices that guide the user through the process of treating sudden cardiac arrest. Unlike fully automatic defibrillators, semi-automatic models require the user to press a button to deliver the shock after the device analyses the heart rhythm. These devices provide clear voice prompts and visual instructions, ensuring even minimally trained individuals can respond effectively in an emergency.

The Defib Pad has put together a selection of the best and most well known semi-automatic defibrillators available in the UK. We have strong relationships with leading brands such as Cardiac Science, Philips, Physio Control, CU Medical, Zoll, and HeartSine. This allows us to offer a selection of the most recognisable defibs on the market, all at the best prices.

Read more about semi-automatic defibrillators...

Why Choose Semi-Automatic Defibrillators?

For workplaces, schools, gyms, and public areas, semi-automatic defibrillators offer a balance of safety and user control. They allow the user to confirm the shock while still providing automated guidance, which can help build confidence during high-stress situations. Homeowners with at-risk family members can also benefit from semi-automatic AEDs for easy, reliable use.

Features and Benefits of Semi-Automatic Defibrillators

  • Guided prompts with voice and visual instructions
  • User control over shock delivery for added reassurance
  • Portable and lightweight for fast deployment
  • Battery and pad status indicators for maintenance alerts

How to Choose the Right Semi-Automatic Defibrillator

When selecting a semi-automatic defibrillator, consider the environment, anticipated users, and device features such as battery type, electrode pad lifespan, and additional training aids. Proper placement, regular maintenance, and staff familiarisation are crucial to ensure readiness in case of an emergency.

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A white defibrillator next to a bright orange carry case

iPAD SP1 Semi-Automatic Defibrillator

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The iPAD SP1 Semi-Automatic Defibrillator features dual-use electrode pads and an adult / child mode button allowing rescuers to easily switch patient type when they arrive at the scene.

  • Semi-automatic operation
  • Defibrillator warranty: 7 years + 3 years when registered
  • Battery stand-by life: 60 months
  • Electrode pad life: 24 months
5 out of 5 stars
£1,104.00 inc VAT

£1,045.00 inc VAT

£870.83 ex VAT

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iPAD NFK200 Semi-Automatic Defibrillator with Outdoor Defibsafe2 Cabinet and Carry Case

IPAD NFK200 Semi-Automatic Defibrillator with DefibSafe2 Cabinet

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The IPAD NFK200 outdoor defibrillator kit comes with a Defibsafe2 heated cabinet that is ideal for public access. With an internal LED lighting source the instructions and code lock numbers are illuminated making them visible even if there is no additional external lighting.

  • IPAD NFK200 Semi-Automatic defibrillator
  • Defibrillator warranty - 7 years
  • Includes a Defibsafe2 outdoor heated cabinet and an AED Starter Kit
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£1,494.00 inc VAT

£1,308.00 inc VAT

£1,090.00 ex VAT

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A white defibrillator next to a bright orange carry case

IPAD NFK200 Semi-Automatic Defibrillator

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The iPAD NFK200 semi-automatic defibrillator allows switching between adult and paediatric modes with a simple button press, saving crucial time during the treatment of a sudden cardiac arrest. This unit provides clear visual and audio guidance, accompanied by an audible metronome to assist responders.

  • Semi-automatic operation
  • Defibrillator warranty: 7 years
  • Battery stand-by life: 60 months (4 year warranty)
  • Electrode pad life: 36 months
4.7 out of 5 stars
£900.00 inc VAT

£774.00 inc VAT

£645.00 ex VAT

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White defibrillator with a black wall bracket

IPAD NFK200 Semi-Automatic Defibrillator with Wall Bracket

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The IPAD NFK200 semi-automatic defibrillator effortlessly switches from adult to paediatric mode with just the press of a button, saving crucial time during a sudden cardiac arrest. It comes with a durable metal wall bracket, ensuring the defibrillator is always accessible and visible in a central storage location.

  • IPAD NFK200 Semi-Automatic defibrillator with wall bracket
  • Defibrillator warranty: 7 years (extended to 10 years, once registered with manufacturer)
  • Includes wall bracket and AED Responder Kit
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£864.00 inc VAT

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VIVEST AED kit including the main yellow defibrillator unit, sealed electrode pads, a battery pack, and an instruction booklet.

Vivest PowerBeat X1 Semi-Automatic Defibrillator

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The Vivest PowerBeat X1 semi-automatic defibrillator features simple audio and visual instructions and can deliver lifesaving shocks in just 7 seconds, one of the fastest times to shock from heart analysis that is available on the market.

  • Semi-automatic operation
  • Defibrillator warranty: 8 years
  • Battery stand-by life: 60 months
  • Electrode pad life: 60 months
5 out of 5 stars
£878.99 inc VAT

£829.80 inc VAT

£691.50 ex VAT

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A bright yellow defibrillator with all its contents spread out

Zoll AED Plus Semi-Automatic Defibrillator

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The Zoll AED Plus defibrillator provides live CPR feedback & guidance instructing the user how to provide more effective CPR. The unit also features pictorials & an LCD text display to support voice prompts.

  • Semi-automatic operation
  • Defibrillator warranty: 7 years
  • Battery stand-by life: 60 months
  • Electrode pad life: up to 60 months
4.8 out of 5 stars
£1,299.00 inc VAT

£1,100.00 inc VAT

£916.67 ex VAT

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philips heartstart hs1 defibrillator with carry case showing device, red carry case, battery, scissors, and instruction manual

Philips HeartStart HS1 Semi-Automatic Defibrillator

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Manufactured by one of the largest electronics manufacturers, the HS1 defibrillator provides step-by-step voice prompts and features an information button to give extra guidance.

  • Semi-automatic operation
  • Defibrillator warranty: 8 years
  • Battery stand-by life: 48 months
  • Electrode pad life: 18 months
4.7 out of 5 stars

£1,150.00 inc VAT

£958.33 ex VAT

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A green and white defibrillator with all its contents

DefiSign Life Semi-Automatic Defibrillator

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Pre-programmed with 3 default languages (English / German / Polish), the DefiSign Life semi-automatic defibrillator features an IP55 ingress protection rating and a 10 year manufacturer's warranty as standard.

  • Semi-automatic operation
  • Defibrillator warranty: 10 years
  • Battery stand-by life: 72 months
  • Electrode pad life: 24 months
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£1,050.00 inc VAT

£875.00 ex VAT

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AED kit including iPAD defibrillator, orange carry case, battery pack, user manual, and starter kit with CPR accessories.

IPAD SPR Semi-Automatic Defibrillator

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The IPAD CU-SPR semi-automatic defibrillator allows you to switch between adult and paediatric modes at the touch of a button, helping save vital seconds during the treatment a sudden cardiac arrest. It delivers clear visual and voice prompts, with an audible metronome, to guide responders effectively through the rescue process.

  • Semi-automatic operation
  • Defibrillator warranty: 10 years (once registered)
  • Battery stand-by life: 60 months (4 year warranty)
  • Electrode pad life: 36 months
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£1,000.00 inc VAT

£833.33 ex VAT

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defibtech lifeline semi automatic defibrillator with battery, pads, instructions and accessory kit shown from front

Defibtech Lifeline AED Semi-Automatic Defibrillator

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The Defibtech Lifeline AED semi-automatic defibrillator provides great value for money, with a battery standby life of 5 years. Voice prompts on these units are supported by text & LED display.

  • Semi-automatic operation
  • Defibrillator warranty: 8 years
  • Battery stand-by life: 60 months
  • Electrode pad life: 24 months
4.9 out of 5 stars

£1,200.00 inc VAT

£1,000.00 ex VAT

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A white defibrillator with the letters

Mediana HeartOn A16 Semi-Automatic Defibrillator

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Featuring 3 programmed languages (English / Welsh / Polish), the Mediana HeartOn A16 defibrillator uses semi-automatic operation and features an adult / child button which means only one set of electrode pads is required.

  • Semi-automatic operation
  • Defibrillator warranty: 5 years
  • Battery stand-by life: 60 months
  • Electrode pad life: 36 months
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£1,139.99 inc VAT

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VIVEST AED kit including the main defibrillator unit, sealed disposable pads, a battery pack, and an instruction booklet arranged in front.

Vivest PowerBeat X3 Semi-Automatic Defibrillator

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The Vivest PowerBeat X3 semi-automatic defibrillator, has a full colour 5" LCD screen providing clear visual instructions and voice prompts. Suitable for use by responders with little or no first aid training, capable of switching between Adult and Child modes.

  • Semi-automatic operation
  • Defibrillator warranty: 8 years
  • Battery stand-by life: 60 months
  • Electrode pad life: 60 months
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£1,066.80 inc VAT

£889.00 ex VAT

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A dark and light blue defibrillator with all of the kit contents

Philips HeartStart FRx Semi-Automatic Defibrillator

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The Philips HeartStart FRx is a robust defibrillator that has been designed for use in harsh environments and can survive a 1 metre drop onto a concrete floor.

  • Semi-automatic operation
  • Defibrillator warranty: 8 years
  • Battery stand-by life: 48 months
  • Electrode pad life: 24 months
5 out of 5 stars
£1,717.67 inc VAT

£1,410.00 inc VAT

£1,175.00 ex VAT

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A bright orange defibrillator with all its contents

Cardiac Science Powerheart G5 Semi-Automatic Defibrillator

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The Cardiac Science Powerheart G5 semi-automatic defibrillator customises energy levels for each patient, increasing levels if more than one life-saving shock is required.

  • Semi-automatic operation
  • Defibrillator warranty: 8 years
  • Battery stand-by life: 48 months
  • Electrode pad life: 24 months
5 out of 5 stars
£1,595.99 inc VAT

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defibtech lifeline view semi automatic defibillator with battery, electrode pads, instructions and packaging displayed

Defibtech Lifeline View Semi-Automatic Defibrillator

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The Defibtech Lifeline View semi-automatic defibrillator is the first defibrillator to feature a colour display screen that shows rescuers what to do in the event of an emergency with detailed, interactive videos.

  • Semi-automatic operation
  • Defibrillator warranty: 8 years
  • Battery stand-by life: 48 months
  • Electrode pad life: 24 months
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physio control lifepak cr2 usb fully automatic defibrillator with handle and accessories including battery cable and manuals

Physio-Control Lifepak CR2 Semi-Automatic Defibrillator with WiFi

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The Physio-Control Lifepak CR2 semi automatic defibrillator provides CPR coaching giving clear instructions; offering feedback when no CPR is detected, rate and depth guidance, a metronome and audio instructions on correct hand placement.

  • Semi automatic operation
  • Defibrillator warranty: 8 years
  • Battery stand-by life: 48 months
  • Electrode pad life: 48 months
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An orange iPAD automated external defibrillator with a heart‑and‑lightning symbol, positioned next to a black wall‑mount bracket labelled AED – Automated External Defibrillator.

IPAD SPR Defibrillator with Wall Bracket - Semi-Automatic

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The IPAD SPR semi-automatic defibrillator allows instant change between adult and paediatric modes, by sliding a switch, helping save vital time during sudden cardiac arrest treatment. It comes with a robust metal wall bracket, ensuring the device remains clearly visible and easily accessible in a central storage location.

  • Semi-automatic operation
  • Defibrillator warranty: 10 years (once registered)
  • Includes a wall bracket to help identify the location of the defibrillator
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£1,146.00 inc VAT

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iPAD SPR Semi-Automatic Defibrillator with Defibsafe2 Cabinet and Carry Case

IPAD SPR Semi-Automatic Defibrillator with DefibSafe2 Cabinet

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The IPAD SPR outdoor defibrillator kit comes with a Defibsafe2 heated cabinet designed for public access. With internal LED lighting this illuminates the instructions and code lock, ensuring they remain clearly visible even in low‑light conditions.

  • Semi-Automatic defibrillator
  • Defibrillator warranty: 10 years (once registered)
  • Includes a Defibsafe2 outdoor heated cabinet and an AED Starter Kit
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£1,644.00 inc VAT

£1,499.99 inc VAT

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