Short answer (prices checked 5 October 2026 at AED Leader): the Philips HeartStart OnSite costs $1,589 new and $875 recertified; the Defibtech Lifeline VIEW costs $2,024.95. Buy the OnSite for an indoor office, shop or home on a budget. Buy the VIEW if your likely rescuers are untrained and would follow on-screen video, or if the AED lives near water or outdoors.
| Decision factor | Philips HeartStart OnSite (M5066A) | Defibtech Lifeline VIEW (DCF-A2310EN) |
|---|---|---|
| Price new, AED Leader | $1,589 | $2,024.95 |
| Recertified, AED Leader | $875, 3-year warranty | Not listed |
| Rescue guidance | Voice prompts and paced CPR coaching | Full-motion video on a colour screen, plus voice |
| Operation | Semi-automatic | Semi-automatic |
| Weight | 3.3 lbs (1.5 kg) | Under 3 lbs (1.4 kg) |
| Ingress rating | IP21 (indoor) | IP55 (dust and low-pressure water jets) |
| Adult pads | M5071A, $99, about 2 years | DDP-2001, $83.05, 2-year package life |
| Child pads | M5072A, $139 | DDP-2002, $136.40 |
| Battery | M5070A, $249, about 4 years | DBP-2003 (listed as DCF-2003), $240.45, 4-year standby |
| Device warranty | 8 years | 8 years, as stated by authorized retailers |
| FDA status | FDA-approved (PMA P160029) | FDA-approved (PMA P160032) |
Philips OnSite vs Defibtech VIEW: the 10-year cost
Ten years of ownership means the device plus four pad changes and two battery changes. Prices checked 5 October 2026 at AED Leader.
| Cost item | Philips OnSite, new | Philips OnSite, recertified | Defibtech VIEW, new |
|---|---|---|---|
| Device | $1,589 | $875 | $2,024.95 |
| 4 adult pad sets | $396 | $396 | $332.20 |
| 2 batteries | $498 | $498 | $480.90 |
| 10-year total | $2,483 | $1,769 | $2,838.05 |
The VIEW costs $355.05 more than a new OnSite over ten years and $1,069.05 more than a recertified OnSite. Its pads and battery are slightly cheaper, but the higher device price is never recovered.
Who should buy the Philips HeartStart OnSite
- Indoor offices, shops, clinics and homes where the AED stays dry.
- Buyers who want the lowest cost: a recertified Philips HeartStart OnSite is $875 with a 3-year warranty.
- Sites that want one-step setup: the pads cartridge is pre-connected and the OnSite needs no prescription.
Philips HeartStart OnSite at AED Leader, $1,589 | Recertified OnSite at AED Leader, $875
Who should buy the Defibtech Lifeline VIEW
- Workplaces where the person who grabs the AED has never been trained and will follow video better than voice.
- Pools, marinas, vehicles and outdoor sites: IP55 against the OnSite’s IP21.
- Buyers who carry the AED: it weighs under 3 lbs.
Defibtech Lifeline VIEW at AED Leader, $2,024.95
Our verdict
For most indoor buyers the Philips HeartStart OnSite is the better buy: it costs $435.95 less new, $1,149.95 less recertified, and $355.05 less over ten years. The Defibtech Lifeline VIEW earns its premium only where untrained rescuers need video or the AED faces water and dust. Full reviews: Philips HeartStart OnSite review and Defibtech Lifeline VIEW review. Comparing more Philips models: Philips OnSite vs FRx.
Frequently asked questions
Is the Defibtech VIEW better than the Philips OnSite?
It is better for untrained rescuers and wet or outdoor sites, because of its video screen and IP55 rating. For dry indoor use the OnSite does the same job for $435.95 less at AED Leader (checked 5 October 2026).
Which costs less to own over 10 years?
The Philips OnSite: $2,483 new or $1,769 recertified, against $2,838.05 for the Defibtech VIEW, counting four pad sets and two batteries.
Do both work on children?
Yes, with child pads: Philips M5072A ($139) for the OnSite and Defibtech DDP-2002 ($136.40) for the VIEW.
Are both FDA-approved?
Yes. The Philips HeartStart OnSite is FDA-approved under PMA P160029 and the Defibtech Lifeline VIEW under PMA P160032.