Maxell 390 SR1130SW - 2 Packs of 5 Batteries 389/390

Maxell 390 SR1130SW - 2 Packs of 5 Batteries 389/390
Item Specifications
Our PriceUS$18.75
Weight0.0438 lbs.
ChemistrySilver Oxide
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Superior Maxell 390 SR1130SW 390/389 SR1130W Micro Silver Oxide

Superior Maxell Micro Silver Oxide SR1130SW/SR1130W 2 Packs of 5 Batteries SR1130SW 390 are completely interchangeable with SR1130W 389

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

Made in Japan
Dimensions 11.6mm Diameter x 3mm Height
1.55 volts 83 mAh
Mercury Free
This is a primary non rechargeable disposable battery

The 390 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.

Fits and Replaces: This is from the American Watchmakers-Clockmakers Institute 2008 Edition Handbook "Battery Number System". This Battery is cross-referenced as: AWCI S24, Energizer 390/389, Energizer 389/390, Energizer MD390, Energizer MD389, Citizen 280-24, Duracell D390/D389, Duracell D389/D390, Duracell 10L122, Mallory 390/389, Mallory 389/390, Mallory 390, Mallory 389, Mallory 10L122, Gold Peak GP90, Sylva-Cell GP90, Maxell SR1130SW, Maxell SR1130W, Panasonic SR1130SW, Panasonic WS-10, National SR1130SW, National WS-10 Rayovac 390, Rayovac RW39, Renata 389, Renata 390, Renata 11, Seiko SR/TR1130SW, Seiko SB-AU, Seiko SB-DU, Sony SR1130SW, Sony 390, Toshiba SR1130SW, Toshiba WGS10, Varta V390, Varta 534

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