{"product_id":"cr2450-battery-3v-lithium-coin-cell-5-pack-for-key-fobs","title":"CR2450 Battery 3V Lithium Coin Cell - 5 Pack for Key Fobs","description":"\u003cp\u003eIn this review the reviewer looks at the CR2450 3V lithium coin cell in a 5 count pack and finds it a practical, value-oriented replacement for small electronics. The bottom line: this pack is for anyone who needs reliable power for key fobs, remotes, calculators or garage door openers and wants a long shelf life and an anti-leak design. After testing fit and temperature tolerance, the reviewer found the cells offer convenient long-term storage, wide operating temperature range, and good compatibility with several equivalent sizes.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e Five CR2450 cells provide spare batteries so users can replace multiple devices or keep extras on hand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide compatibility:\u003c\/strong\u003e These cells fit devices that accept DL2450, ECR2450, GPCR2450 and other equivalent sizes, reducing the need to guess fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature tolerance:\u003c\/strong\u003e Rated to perform from about -4 F to 140 F, so they keep working in cold cars and warm environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong storage life:\u003c\/strong\u003e Lithium chemistry and a claimed shelf life of up to 10 years mean the pack is useful as a long-term spare supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-leak design:\u003c\/strong\u003e Improved sealing reduces the risk of corrosive failure in sensitive devices over time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis CR2450 5 pack is best for homeowners and vehicle owners who regularly change batteries in \u003cstrong\u003ekey fobs\u003c\/strong\u003e, remote controls, thermometers, and small electronics and want spare cells on hand. It suits DIYers who maintain multiple devices or service kits for property managers and technicians.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include users who need specialized rechargeable cells or batteries with proprietary branding where official OEM parts are required for warranty reasons. Also, if precise runtime claims are critical, a dedicated performance test of any given device will be necessary rather than relying on general longevity statements.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood value: five cells cover multiple devices or backups without spending on single-use retail pricing.\u003c\/li\u003e\n\u003cli\u003eReliable fit across listed equivalents, making replacements straightforward for many small electronics.\u003c\/li\u003e\n\u003cli\u003eSolid shelf life and temperature tolerance, useful for long-term storage or use in vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBattery life in active devices varies by device and usage, and some customers report differing runtimes compared with brand-name cells.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery size\u003c\/td\u003e\n\u003ctd\u003eCR2450\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eLithium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell dimensions\u003c\/td\u003e\n\u003ctd\u003e24mm diameter x 5mm height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf life\u003c\/td\u003e\n\u003ctd\u003eUp to 10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003eApproximately -4 F to 140 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe CR2450 3V lithium 5 pack is a sensible, cost-effective choice for anyone replacing \u003cstrong\u003ecoin cell\u003c\/strong\u003e batteries in key fobs, remotes, calculators, and garage door openers. With broad compatibility, long shelf life and an anti-leak design, it provides dependable spares for most household and automotive small electronics and represents good value for routine replacements.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill these CR2450 batteries fit my key fob?\u003c\/strong\u003e\u003cbr\u003eThey will fit devices that accept CR2450 or listed equivalents such as DL2450 and ECR2450; check your device marking to confirm size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long do these batteries last in storage?\u003c\/strong\u003e\u003cbr\u003eThe cells are rated with a shelf life of up to 10 years when stored properly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre these safe for cold environments?\u003c\/strong\u003e\u003cbr\u003eYes, they are rated to perform in temperatures down to around -4 F and up to about 140 F for typical operating needs.\u003c\/p\u003e","brand":"Tenergy","offers":[{"title":"Default Title","offer_id":46484777599195,"sku":"B0BYGS92LT","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61HrHqOvnrL._AC_SL1500.jpg?v=1739298063","url":"https:\/\/gearmusthave.com\/products\/cr2450-battery-3v-lithium-coin-cell-5-pack-for-key-fobs","provider":"GearMustHave","version":"1.0","type":"link"}