AED battery replacement costs range from roughly $10 to over $500 depending on the brand, model, and whether the battery is proprietary or consumer-replaceable. Most organizations with standard AEDs from Philips, Zoll, or Defibtech will spend somewhere between $60 and $300 per device per replacement cycle — working out to $12 to $75 per device per year when spread over a 4 to 5 year battery life.

The sticker price on a single battery is almost never the number that matters for budget planning. What matters is the annual cost per device, that multiplied by the number of AEDs in the program, and the hidden costs most budget line items miss: hazmat shipping fees, emergency replacement premiums, and the cost differential between ordering ahead of expiration versus in a scramble.

$12Lowest annual battery cost (Zoll AED Plus)
$156Highest annual battery cost (Cardiac Science G3)
4–7 yrsTypical battery replacement cycle
60 daysWhen to order before expiration

AED battery replacement cost by brand and model

All prices below are approximate retail figures from authorized AED distributors as of mid-2026. Prices fluctuate based on distributor, OEM vs third-party, and shipping promotions. Verify directly with your supplier before budgeting.

Brand / Model Battery / Replacement unit Approx. retail price Replacement cycle Annual cost (approx.)
Philips HeartStart OnSite / FRx M5070A lithium battery $200–$250 4 years installed $50–$63/yr
Philips HeartStart FR3 FR3 long-life lithium battery (989803150161) $300–$330 4–5 years installed $60–$83/yr
Zoll AED Plus Lowest cost 10× Duracell Type 123 (8000-0807-01) $60–$100 / 10-pack 5 years installed $12–$20/yr
Zoll AED 3 Smart Battery Pack $200–$210 5 years $40–$42/yr
Zoll AED Pro Non-rechargeable lithium battery $200–$215 5 years $40–$43/yr
Cardiac Science Powerheart G3 Highest cost Intellisense lithium battery (9146-302) $484–$625 4 years $121–$156/yr
Cardiac Science Powerheart G5 Intellisense battery (XBTAED001) $450–$495 4 years $113–$124/yr
Defibtech Lifeline standard (DCF-100) DBP-1400 5-year battery pack $230–$240 5 years $46–$48/yr
Defibtech Lifeline high-capacity DBP-2800 7-year battery pack $268–$280 7 years $38–$40/yr
Defibtech Lifeline VIEW 4-year battery pack $245–$250 4 years $61–$63/yr
Defibtech 9-volt pilot cell Standard 9V lithium $10–$12 As needed (inside main pack) Minimal
HeartSine Samaritan PAD — adult Battery + pads Pad-Pak-01 (combined) $195–$215 3.5–4 years $49–$61/yr
HeartSine Samaritan PAD — pediatric Battery + pads Pediatric Pad-Pak $250–$280 3.5–4 years $63–$80/yr
Stryker LifePak CR2 Lithium battery kit $310–$330 4 years $78–$83/yr
Stryker LifePak CR Plus / EXPRESS Battery + pads Charge-Pak (combined, 2-yr cycle) $295–$345 2 years $148–$173/yr
Stryker LifePak 1000 Non-rechargeable lithium battery $490–$510 5 years $98–$102/yr

🟢 Green row = lowest cost tier  |  🔴 Red row = highest cost tier  |  🟡 Amber row = bundled battery + pads (not battery-only)

✓ Zoll AED Plus — cheapest by far

At $60–$100 for a 10-pack of Duracell 123 batteries every 5 years, the annual battery cost is as low as $12. This is because the AED Plus runs on consumer-grade batteries available at any hardware store, not a proprietary pack with medical-device pricing built in.

✕ Cardiac Science G3 — most expensive proprietary battery

At $484–$625 per replacement on a 4-year cycle, the annual cost is $121–$156 per unit — roughly 6 to 10 times the Zoll AED Plus annual cost. The G3’s battery supports more frequent self-tests and more shocks per cycle, but the cost difference is worth understanding at scale.

⚠ LifePak CR Plus & HeartSine — bundled pricing

The LifePak CR Plus Charge-Pak and HeartSine Pad-Pak both bundle battery and pads into one cartridge. The price includes both components, so direct comparison against battery-only figures needs that caveat. The LifePak CR Plus has the highest true annual cost when pad costs are fully accounted for.

The costs most budget line items miss

The retail battery price is the starting point, not the full cost. Here are the three costs that routinely don’t make it into AED program budgets.

📦 Hazmat shipping fees

AED batteries are classified as lithium batteries — Class 9 hazardous materials under DOT regulations. Most authorized distributors include hazmat handling in their list price, but some add surcharges of $15 to $40 per shipment, and emergency next-day shipping adds another $35 to $75.

If you’re managing multiple AEDs and replacing batteries one at a time as each expiration approaches, you’re potentially paying shipping costs 3 to 5 times per budget cycle instead of batching. For a 10-AED program on a staggered schedule, that’s an extra $150 to $400 in shipping over 5 years that almost nobody budgets for.

The fix: Order replacements 60 to 90 days before expiration and batch multiple orders together. One order covering 3 to 4 devices costs the same in shipping as one covering a single device.

🚨 Emergency replacement costs

A battery that fails its self-test before its rated expiration needs to be replaced immediately — and the device is out of service until the replacement arrives. Standard ground shipping runs 3 to 7 business days. Options to close the gap:

  • Keep a spare battery on-site. At $60 to $250 depending on model, a spare eliminates the out-of-service window entirely. For Zoll AED Plus units this is especially practical since the batteries are consumer-grade.
  • Order next-day or 2-day air. Costs more in shipping but keeps the out-of-service window to 24 to 48 hours instead of a week.
  • Consider a backup AED. For heavily trafficked facilities where the single AED is the only option within several minutes of EMS arrival, a second device is a different conversation than a backup battery.

⚠ OEM vs third-party pricing gap

Every major manufacturer recommends OEM batteries — off-brand batteries can void the device warranty and cause self-test failures even with apparently fresh cells.

That said, a small market of FDA-cleared third-party batteries exists for some models, particularly the Philips M5070A, at 20 to 40% lower prices from authorized distributors. If considering a third-party replacement, confirm: it is explicitly FDA-cleared for your specific device model, the seller is an authorized distributor, and the replacement comes with a matching manufacturer warranty.

Zoll AED Plus exception: Zoll officially authorizes Duracell Type 123 batteries from any retail source — Costco, Home Depot, Amazon. This is not off-label. Zoll does not authorize other brands of 123 cells.

True annual cost comparison across a multi-device program

The numbers look different when multiplied across an organization’s full AED inventory.

Model Battery cost/device/yr Devices Annual fleet cost 5-year fleet total
Philips HeartStart OnSite/FRx $56/yr 10 $560 $2,800
Zoll AED Plus Lowest $16/yr 10 $160 $800
Cardiac Science G3 Highest $138/yr 10 $1,380 $6,900
Defibtech Lifeline (std) $47/yr 10 $470 $2,350
LifePak CR Plus Incl. pads $160/yr 10 $1,600 $8,000
HeartSine Pad-Pak Incl. pads $55/yr 10 $550 $2,750

💰 The gap in context: A 10-device program running Zoll AED Plus units will spend roughly $800 on batteries over 5 years. The same program running Cardiac Science G3 units will spend roughly $6,900 — almost 9 times as much for equivalent coverage. This comparison doesn’t argue for or against any brand; performance, durability, and warranty all factor in. But battery cost deserves to be part of the device selection conversation, not an afterthought.

When to order replacement batteries (the math that saves money)

🚫

At fault indicator

Device already out of service. Standard shipping takes 3–7 days. Expedited shipping required. Ordering under pressure costs more.

⚠️

Exactly at expiration

Better, but doesn’t account for shipping time. If expiration falls on a weekend or holiday, device may be out of compliance for several days.

60–90 days before expiration

Time to shop distributors, batch orders, have replacement on shelf before the device ever flags a fault. Never without coverage during shipping.

The difference between these three approaches for a 10-device program over 5 years can easily be $500 to $1,000 in avoidable shipping costs and emergency-order premiums, on top of the compliance risk of operating with an out-of-service device.

💡 AED Log fires battery expiration alerts at 60 and 30 days — so replacements are ordered before the device flags a fault, not after.

See how battery tracking works →

Battery Tracking and Pad Tracking in AED Log close this gap automatically. Every AED’s battery install-by date and expiration is logged by device and location. For programs running mixed fleets — some Philips, some Zoll, some Defibtech — where each device has a different battery type, a different cycle, and a different supplier SKU, the alternative is a spreadsheet that somebody has to update manually every time a swap happens. That spreadsheet fails around the 8 to 10 device mark, usually during the same staff transition that made someone forget to update it. Pricing is based on the number of AEDs in your program, starting free on 1 AED.

FAQ

How much does an AED battery replacement cost?Between $60 and $625 depending on model. The Zoll AED Plus has the lowest battery cost at $60 to $100 for a 10-pack of consumer Duracell 123 cells. Cardiac Science Powerheart G3 batteries run $484 to $625 per replacement. Most mid-range models (Philips, Defibtech, Zoll AED 3) fall between $200 and $330 per replacement cycle.
How often does an AED battery need to be replaced?Every 4 to 7 years depending on brand and model. Philips and Cardiac Science batteries are typically rated for 4 years installed. Zoll AED Plus and Defibtech standard batteries run 5 years. Defibtech’s high-capacity pack lasts 7 years. The LifePak CR Plus Charge-Pak has the shortest cycle at 2 years.
Is an AED battery covered under warranty?It depends on the brand. Battery warranties are typically separate from device warranties. Most manufacturers warrant the battery for 2 years from the date of purchase, not for the full rated standby life. Check your specific battery’s warranty documentation.
Can I buy AED batteries from Amazon or a hardware store?For the Zoll AED Plus specifically, yes. Zoll officially authorizes Duracell Type 123 batteries (10-pack) from any source including retail. For all other AED brands, manufacturer-approved batteries from authorized distributors are required. Off-brand or grey-market batteries for proprietary AED packs can void the device warranty.
Does battery replacement cost include pads?Not always. For standard AEDs (Philips, Zoll, Cardiac Science, Defibtech standard), batteries and pads are purchased and replaced separately. For HeartSine Samaritan PAD and LifePak CR Plus, the replacement unit bundles battery and pads into one combined cartridge with a single expiration date, so the cost reflects both.
How does the Cardiac Science G3 battery cost so much more than other brands?The G3 uses a proprietary Intellisense lithium sulfuryl chloride chemistry that supports the device’s daily self-test cycles and higher shock count capacity. The premium is tied to the cell chemistry and the OEM manufacturing process. The G3’s battery can also power more shocks per cycle than some competitors.
What is a Defibtech 9-volt battery and why does it cost $10?The Defibtech Lifeline battery pack contains two power sources: the main lithium battery that delivers shocks, and a separate 9-volt cell that powers the self-test circuitry. If the 9V cell dies, the device may flag a fault even with a healthy main battery. Replacement packs (DBP-1400, DBP-2800) come with a fresh 9V pre-installed, but the standalone 9V sells for $10 to $12 and can be replaced if that’s the only failed component.
Is it worth buying a spare AED battery to keep on-site?For most facilities, yes. A spare battery eliminates the out-of-service window if a battery fails between monthly checks. For Zoll AED Plus units the cost of a spare is $60 to $100. For Philips units it’s $200 to $250. Either way, the cost of a spare is significantly lower than the cost of extended AED downtime.
How do I find out which battery my AED uses?Check the existing battery’s part number printed on the label, or check the device’s user manual. Most major AED distributors have lookup tools that return compatible batteries by device model. If your device is a Zoll AED Plus, the part number to search is 8000-0807-01 or simply “Duracell 123 10-pack.”
How do I dispose of an expired AED battery?Do not throw it in regular trash. Lithium batteries must be recycled. Options include manufacturer take-back programs (Philips, Zoll, and Stryker all have these), local hazardous waste facilities, or the Call2Recycle free lithium battery recycling program available at many retail locations across the US and Canada.

Start tracking AED battery expirations in one place

Free on 1 AED. Annual pricing based on the number of AEDs in your program. No credit card required.

✓ No credit card
✓ 60 & 30-day battery alerts
✓ Mixed-fleet tracking

Join to newsletter.

Get a personal consultation.

Call us today at (555) 802-1234