Maxell SR1116SW 5 Pack Battery 366

Maxell SR1116SW 5 Pack Battery 366

Item Specifications
Our PriceUS$6.53
SKU101116
Weight0.0125 lbs.
Voltage1.55V
Capacity29
ChemistrySilver Oxide
BrandMaxell
Mfg #366
UPC025215733017
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Maxell SR1116SW 5 Pack Battery 366

Dimensions: 11.6mm Diameter x 1.6mm Height


The 366 is a long life silver oxide chemistry with non-declining power output; alkaline batteries of the same 1.5 voltage start at 1.5 and at the half life are at .8 volts, silver oxide start at 1.55 volts and maintain the voltage until expiring. This is why silver oxide batteries are always used in watches, insulin pumps and sniper scopes or mission critical situations. Never use alkaline batteries for any device requiring a steady constant voltage. A watch with declining voltage cannot give the correct time.

Maxell SR1116SW Replacement Battery 365/366 (One Pack of Five Batteries)

365 SR1116W and 366 SR1116SW are completely interchangeable

Do not use (inherently low performing) alkaline batteries in place of silver oxide in any timepiece.

Made in Japan
Genuine Maxell Hologram Anti-Counterfeit Packaging (other package is not genuine)

Mercury Free
This is a primary non rechargeable disposable battery
This is from the American Watchmakers-Clockmakers Institute 2008 Edition Handbook "Battery Number System".

Fits and Replaces:

  • AWCI S16
  • Citizen 280-46
  • Duracell D365
  • Duracell D365/D366
  • Duracell D366
  • Duracell D366/D365
  • Energizer 365
  • Energizer 365/366
  • Energizer 366
  • Energizer 366/365
  • Eveready 365
  • Eveready 365/366
  • Eveready 366
  • Eveready 366/365
  • Gold Peak GP66
  • Mallory D365
  • Mallory D365/D366
  • Mallory D366
  • Mallory D366/D365
  • Maxell SR1116SW
  • Maxell SR1116W
  • National SR1116SW
  • Panasonic SR1116SW
  • Panasonic SR1116W
  • Rayovac 365
  • Rayovac 366
  • Rayovac R318
  • Renata 365
  • Renata 366
  • Seiko SR1116SW
  • Seiko SR1116W
  • Sony 365
  • Sony 366
  • Sony SR1116SW
  • Sony SR1116W
  • SR1116W
  • Sylva-Cell GP66
  • UCAR 365
  • UCAR 365/366
  • UCAR 366
  • UCAR 366/365
  • Varta V365
  • Varta V366
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