Best Coin & Button Cell Batteries Under $100 (2026)
We ranked products by value score using unit count, battery chemistry, brand reputation, and price under $100 to prioritize long‑term cost and suitability for health devices
The Verdict
- Best Overall: Energizer CR2032 3V Lithium Coin Battery (40 pack) — Best for balanced value: high‑count CR2032 lithium pack offering reliable voltage for common health devices
- Best Premium: Energizer CR2032 3V Lithium Coin Cells (100 Count) — Best for long‑term stocking: large CR2032 multipack that minimizes repurchase frequency for daily devices
- Best Value: 377 SR626SW silver oxide watch battery (100) made in japan — Best for mercury‑free watch replacements: SR626SW silver‑oxide cells made in Japan for consistent performance
This roundup covers coin and button cell batteries suited for health and wellness devices, focusing on value and pack sizes under $100. Selections prioritize chemistry (lithium vs silver‑oxide), pack quantity, and brand reliability to help healthcare device users and caregivers choose batteries that balance cost and expected lifespan
Top Picks
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1
Best Overall Energizer CR2032 3V Lithium Coin Battery (40 pack)
Best for balanced value: high‑count CR2032 lithium pack offering reliable voltage for common health devices
CR2032 coin batteries in original packaging. Offers reliable power for various devices with good value. Customers note full power and versatile use, though some report shorter runtimes in certain cases
- genuine Energizer product
- includes 40 batteries
- 3 volt lithium coin battery
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2
Best Premium Energizer CR2032 3V Lithium Coin Cells (100 Count)
Best for long‑term stocking: large CR2032 multipack that minimizes repurchase frequency for daily devices
Lithium coin cells for small devices. Reliable power with strong performance across temperatures. Customers note easy installation and a good fit for key fobs and remotes
- long storage stability
- wide temperature range
- large 100-count pack
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3
CR2450 3V lithium coin cell battery 60-pack
Best for higher capacity needs: CR2450 lithium pack suited to devices requiring larger cell size and capacity
Premium CR2450 3V lithium coin cell batteries with protective packaging for safety. Long shelf life and reliable performance; customers note good value and versatile fit, though some report variable battery life
- protective packaging
- long shelf life
- multi-pack value
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4
Renata 371 SR920SW batteries 50-count
Best for precision watch and device use: SR920SW silver‑oxide cells provide stable voltage for timepieces and sensors
Silver oxide 1.55V watch batteries. High capacity retention and leakage resistance with Swiss quality. Customers note good quality and easy installation, with mixed feedback on longevity
- 1.55V nominal voltage
- silver oxide chemistry
- 50-count bundle
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5
Best Value 377 SR626SW silver oxide watch battery (100) made in japan
Best for mercury‑free watch replacements: SR626SW silver‑oxide cells made in Japan for consistent performance
Silver oxide watch battery 377 SR626SW, 1.55V, mercury-free with high leakage resistance. 100% mercury-free and high capacity retention; suitable for watches and other small devices. Customers note good quality, solid value, and reliable fit
- mercury-free
- 100% leakage resistance
- made in japan, Seiko heritage
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6
364 SR621SW silver oxide watch battery (100 pcs) by Seizaiken
Best for compact devices: SR621SW silver‑oxide pack tailored for small watches and low‑drain medical instruments
Silver oxide watch battery set with 1.55V and 23 mAh capacity. 100% mercury-free with strong leakage resistance and long storage stability. Customers cite good quality and long life
- mercury-free
- high reliability
- long storage durability
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7
Renata 315 SR716SW silver oxide watch battery (50 count)
Best for specialty sizing: SR716SW silver‑oxide cells suited to devices that require this less common size
Renata 315 SR716SW is a 1.55V silver oxide battery with 23 mAh capacity and low self-discharge. Customers note good fit and value, with mixed feedback on battery life
- 1.55V nominal voltage
- 23 mAh nominal capacity
- low self-discharge
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8
364 SR621SW silver oxide watch battery (200) by Seizaiken
Best for bulk silver‑oxide needs: large SR621SW pack for frequent replacements with consistent chemistry
Silver oxide watch battery, 1.55V, 23 mAh capacity, mercury-free with excellent leakage resistance. Customers note good quality, value for money, and long-lasting performance
- 100% mercury-free
- nominal 23 mAh capacity
- 1.55V operation
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9
Murata CR2032 3V Lithium Coin Cell battery pack (100)
Best for trusted alternative CR2032 supply: Murata CR2032 multipack offering dependable lithium performance
3V lithium coin cell suitable for compact devices. Provides reliable power with compact form factor and high energy density. Practical for electronics requiring a small, stable coin cell power source
- 3V lithium coin cell
- large multi-pack
- reliable performance