Energizer CR2032 3V Lithium Coin Battery (40 pack) vs 364 SR621SW silver oxide watch battery (100 pcs) by Seizaiken

Key Differences

Energizer CR2032 (A) is sold in a 40-pack and is positioned as a reliable, cost-effective genuine Energizer coin cell useful across many devices that use CR2032 cells. Seizaiken SR621SW (B) is a silver-oxide watch battery sold in a 100-pack with strengths in storage capacity retention and leakage resistance, making it better for precision watch and low-drain timed devices but less versatile for CR2032 applications

Energizer CR2032 3V Lithium Coin Battery (40 pack)

Energizer CR2032 3V Lithium Coin Battery (40 pack)

Energizer • ★ 4.3/5 • Budget

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

Pros

  • reliable power delivery
  • versatile for multiple devices
  • value for money
  • includes genuine Energizer product

Cons

  • mixed reports on battery longevity
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364 SR621SW silver oxide watch battery (100 pcs) by Seizaiken

364 SR621SW silver oxide watch battery (100 pcs) by Seizaiken

Seizaiken • ★ 4.1/5 • Budget

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

Pros

  • mercury-free
  • high reliability
  • low self-discharge
  • high capacity retention during storage

Cons

  • limited to coin/button cells
  • customer insights mention comparison to other brands
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Head-to-Head

CriteriaWinner
Price Energizer
Durability Seizaiken
Versatility Energizer
User Reviews Energizer