All 17 listings, cheapest per battery first
| Item | Size | Price | Per battery | |
|---|---|---|---|---|
| EBL 9V Batteries 24 Pack, Alkaline Power 9 Volt Battery, 7-Year Shelf Life | 24 battery | $20.89 | $0.87 | Amazon → |
| EBL 9V Batteries 8 Pack, Alkaline Power 9 Volt Battery,7-Year Shelf Life | 8 battery | $7.99 | $1.00 | Amazon → |
| Amazon Basics 24-Pack 9V Alkaline Batteries for Smoke Detector, Electronics & Audio, 5-Year Shelf Li | 24 battery | $29.33 | $1.22 | Amazon → |
| DURNERGY 9V Batteries, 9 Volt Batteries 8 Pack,10-Year Shelf Life, 9V Batteries for Smoke Alarms, Gu | 8 battery | $9.98 | $1.25 | Amazon → |
| Amazon Basics 12-Pack 9V Long-Lasting Alkaline Batteries, 5-Year Shelf Life - for Smoke Detector, El | 12 battery | $17.79 | $1.48 | Amazon → |
| ACDelco 8-Count 9V Batteries, Maximum Power Super Alkaline Battery for Home and Office, 7-Year Shelf | 8 battery | $11.97 | $1.50 | Amazon → |
| EBL 9 Volt Batteries 4 Pack, 9V Batteries Alkaline Power Ultra Long Lasting | 4 battery | $6.29 | $1.57 | Amazon → |
| Amazon Basics 8-Pack 9V Long-Lasting Alkaline Batteries for Smoke Detector, Electronics & Audio, Rel | 8 battery | $12.69 | $1.59 | Amazon → |
| Voniko 9V Batteries 4 Pack, 9 Volt Alkaline Battery for Smoke Alarms | 4 battery | $7.29 | $1.82 | Amazon → |
| Amazon Basics 4-Pack 9V Long-Lasting Alkaline Batteries for Smoke Detector, Electronics & Audio, 5-Y | 4 battery | $9.79 | $2.45 | Amazon → |
| Energizer MAX 9V Batteries (4 Pack), 9 Volt Alkaline Batteries | 4 battery | $9.96 | $2.49 | Amazon → |
| Energizer MAX 9V Batteries (4 Pack), 9 Volt Alkaline Batteries | 4 battery | $11.60 | $2.90 | Amazon → |
| Duracell PGD MN1604BKD Coppertop Battery, Alkaline, 9V Size (Pack of 12) | 12 battery | $36.00 | $3.00 | Amazon → |
| Energizer Alkaline Power 9V Batteries (8 Pack), Long-Lasting | 8 battery | $25.17 | $3.15 | Amazon → |
| Energizer MAX 9V Batteries (2 Pack), 9 Volt Alkaline Batteries - Packaging May Vary | 2 battery | $6.49 | $3.25 | Amazon → |
| DURACELL Coppertop 9V Battery, 6 Count, Smoke Detector Battery | 6 battery | $28.19 | $4.70 | Amazon → |
| Duracell Coppertop 9V Battery, 2 Count, Smoke Detector, Long-lasting | 2 battery | $9.65 | $4.83 | Amazon → |
Prices as of 2026-10-24 22:14:51 UTC: Amazon item price (Amazon's own, else its lowest new offer) before shipping and tax, via Keepa. Size comes from Amazon's unit count or the listing title; check the listing before buying. Product prices and availability are accurate as of the date/time indicated and are subject to change. As an Amazon Associate, Sharpest earns from qualifying purchases.
More batteries
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- AAA alkaline batteries $0.19/battery
- C alkaline batteries $0.50/battery
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