{"product_id":"377-sr626sw-1-55v-silver-oxide-watch-battery-100-pack-reliable","title":"377 SR626SW 1.55V Silver Oxide Watch Battery (100 Pack) - Reliable","description":"\u003cp\u003eOur review of the 377 SR626SW 1.55V Silver Oxide Watch Battery (100 pack) finds it ideal for anyone who needs dependable, long-lasting cells for quartz watches and other small electronics. The bottom line: these batteries deliver consistent voltage and low self-discharge, making them a practical bulk purchase for watch repairers, hobbyists, or households that replace multiple button cells each year. The pack emphasizes Japanese manufacturing quality and leakage resistance, which is the single biggest reason to choose this set over mixed or generic coin cells.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e The 1.55V output is stable under typical watch loads, helping timepieces keep accurate time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e Rated at approximately 30 mAh, the cells provide long runtimes for small devices like watches and calculators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMercury-free chemistry:\u003c\/strong\u003e The silver oxide construction contains 0% mercury, reducing environmental risks and meeting modern safety expectations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow self-discharge:\u003c\/strong\u003e High capacity retention in storage means batteries remain usable after long shelf time, useful for spares.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeakage resistance:\u003c\/strong\u003e Designed to resist leakage, protecting delicate watch movements and electronic contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJapanese quality:\u003c\/strong\u003e Manufactured with Seiko heritage and consistent performance across hundreds of cells in a single pack.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis pack is best for watchmakers, jewelers, repair shops, and enthusiasts who change many cells and value consistent, high-quality silver oxide batteries. It also suits homeowners who prefer to keep a large supply on hand for watches, cameras, calculators, toys and small electronics.\u003c\/p\u003e\n\u003cp\u003eThose who need specialty sizes or rechargeable cells should look elsewhere; this product is a primary choice for single-use coin cells and not intended to replace rechargeable battery systems or uncommon custom sizes.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh and stable 1.55V output that helps watches maintain accurate time.\u003c\/li\u003e\n\u003cli\u003eGood value in a 100-count pack, which reduces per-cell cost for frequent use.\u003c\/li\u003e\n\u003cli\u003eLow self-discharge and strong leakage resistance protect devices during storage and use.\u003c\/li\u003e\n\u003cli\u003eJapanese manufacturing and Seiko heritage contribute to consistent quality across the pack.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSold as primary (single-use) cells, so not suitable for applications that require rechargeability.\u003c\/li\u003e\n\u003cli\u003eA large bulk pack may be unnecessary for users who only need a single replacement battery occasionally.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e377 SR626SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eSilver oxide (0% mercury)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e1.55V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Capacity\u003c\/td\u003e\n\u003ctd\u003eAbout 30 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use\u003c\/td\u003e\n\u003ctd\u003eWatches, cameras, calculators, toys and small electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e100 batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone who replaces multiple watch batteries or supports a repair shop, this 100-pack of 377 SR626SW cells is a sensible, cost-effective choice. The combination of stable 1.55V output, low self-discharge and strong leakage resistance delivers reliable performance and long shelf life, making it good value for frequent users who prefer high-quality, mercury-free silver oxide cells.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these batteries suitable for quartz watches?\u003c\/strong\u003e\u003cbr\u003eYes, the 1.55V output and stable discharge make them well suited to quartz watches and similar low-drain devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these cells contain mercury?\u003c\/strong\u003e\u003cbr\u003eNo, the product is specified as 0% mercury, using silver oxide chemistry instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will these batteries keep in storage?\u003c\/strong\u003e\u003cbr\u003eThey have low self-discharge and retain a high percentage of capacity in storage, so they remain usable after long shelf periods when stored properly.\u003c\/p\u003e","brand":"Seizaiken","offers":[{"title":"Default Title","offer_id":48663747625179,"sku":"B0B2GWGCN2","price":48.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71RFCBE09CL._AC_SL1200.jpg?v=1778617933","url":"https:\/\/gearmusthave.com\/products\/377-sr626sw-1-55v-silver-oxide-watch-battery-100-pack-reliable","provider":"GearMustHave","version":"1.0","type":"link"}