Best Coin & Button Cell Batteries Under $100 (2026)

We prioritized coin/button cells under $100 by value score using chemistry, pack size, user ratings, per-cell cost, and device compatibility

Top Picks

  1. 1
  2. 2
  3. 3
    CR2450 3V lithium coin cell battery 60-pack

    CR2450 3V lithium coin cell battery 60-pack

    EmazingLights • ★ 4.2/5 • Mid-Range

    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
    Check current price on Amazon →
  4. 4
    Renata 371 SR920SW batteries 50-count

    Renata 371 SR920SW batteries 50-count

    Renata Batteries • ★ 4.1/5 • Mid-Range

    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
    Check current price on Amazon →
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9

Buying Guide

Match chemistry to device

Use lithium cells (e.g., CR2032, CR2450) for low-drain electronics and silver-oxide (e.g., SR621SW, SR920SW) for precision devices like watches and some medical instruments

Check nominal voltage

Confirm your device requires 3V lithium cells or ~1.55V silver-oxide cells to avoid performance issues or damage

Consider pack size vs. perishability

Larger multi-packs lower per-cell cost but store batteries in a cool, dry place to maintain shelf life—buy only as many as you can reasonably use within a few years

Evaluate brand reliability and ratings

Choose established battery makers with consistent user ratings (the list includes brands with ~4.6–4.7★) to reduce failure risk in critical devices

Match physical size and model number

Confirm cell dimensions and model numbers (CR2032, CR2450, SR621SW, SR920SW, 371) to ensure proper fit and contact in small devices