{"product_id":"alternative-battery-for-panasonic-ml-621s-ztn-seiko-ms621fe-3v-5mah-0-015wh","title":"Alternative Battery For Panasonic ML-621S\/ZTN - Seiko MS621FE 3v, 5mah - 0.015wh","description":"\u003csection class=\"cb-wrap\"\u003e\n  \u003cdiv class=\"cb-card\"\u003e\n\n    \u003cdiv class=\"cb-title\"\u003e\n      \u003ch2\u003eMS621FE Rechargeable Lithium Coin Cell Battery 3V 5.5mAh\u003c\/h2\u003e\n\n      \u003cp class=\"cb-sub\"\u003e\n        Ultra-compact rechargeable lithium coin cell designed for RTC backup, CMOS memory retention, IoT devices, industrial sensors, and other low-current electronic applications requiring reliable 3V backup power in a miniature footprint.\n      \u003c\/p\u003e\n\n      \u003cdiv class=\"cb-badges\"\u003e\n        \u003cspan class=\"cb-badge\"\u003e\u003cspan class=\"cb-dot\"\u003e\u003c\/span\u003eRechargeable Lithium\u003c\/span\u003e\n        \u003cspan class=\"cb-badge\"\u003e\u003cspan class=\"cb-dot\"\u003e\u003c\/span\u003e3V Output\u003c\/span\u003e\n        \u003cspan class=\"cb-badge\"\u003e\u003cspan class=\"cb-dot\"\u003e\u003c\/span\u003e5.5mAh Capacity\u003c\/span\u003e\n        \u003cspan class=\"cb-badge\"\u003e\u003cspan class=\"cb-dot\"\u003e\u003c\/span\u003eCompact Coin Cell\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"cb-hero\"\u003e\n\n      \u003cdiv class=\"cb-panel\"\u003e\n        \u003cdetails class=\"cb-mobile-collapse\"\u003e\n          \u003csummary\u003e\n            \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n            \u003cspan class=\"cb-arrow\"\u003e+\u003c\/span\u003e\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"cb-kv\"\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eModel\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003eMS621FE\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eChemistry\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003eRechargeable Lithium\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eNominal Voltage\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003e3V\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eNominal Capacity\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003e5.5mAh\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eCharge Voltage\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003e2.8V to 3.3V (3.1V Typical)\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eInternal Impedance\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003e80Ω\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eStandard Discharge Current\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003e0.015mA\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eMaximum Continuous Discharge\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003e0.25mA\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eCycle Life (100% DOD)\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003e100 Cycles\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eCycle Life (20% DOD)\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003e1000 Cycles\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eDimensions\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003eØ 6.8mm × 2.1mm\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eWeight\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003e0.23g\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"cb-k\"\u003e\n              \u003cspan class=\"t\"\u003eTermination Style\u003c\/span\u003e\n              \u003cspan class=\"v\"\u003ePressure Contacts\u003c\/span\u003e\n            \u003c\/div\u003e\n\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cb-panel\"\u003e\n        \u003cdetails class=\"cb-mobile-collapse\"\u003e\n          \u003csummary\u003e\n            \u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n            \u003cspan class=\"cb-arrow\"\u003e+\u003c\/span\u003e\n          \u003c\/summary\u003e\n\n          \u003cul class=\"cb-list\"\u003e\n            \u003cli\u003eRechargeable lithium chemistry for extended service life.\u003c\/li\u003e\n            \u003cli\u003eStable 3V output suitable for sensitive electronic circuits.\u003c\/li\u003e\n            \u003cli\u003eUltra-compact design for space-constrained PCB layouts.\u003c\/li\u003e\n            \u003cli\u003eExcellent cycle performance with up to 1000 cycles at 20% depth of discharge.\u003c\/li\u003e\n            \u003cli\u003eIdeal for applications where battery replacement is difficult or inconvenient.\u003c\/li\u003e\n            \u003cli\u003eOptimized for low-current backup and memory retention functions.\u003c\/li\u003e\n          \u003c\/ul\u003e\n\n        \u003c\/details\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"cb-grid\"\u003e\n\n      \u003cdiv class=\"cb-box\"\u003e\n        \u003cdetails class=\"cb-mobile-collapse\"\u003e\n          \u003csummary\u003e\n            \u003ch3\u003eCompatible Part Numbers\u003c\/h3\u003e\n            \u003cspan class=\"cb-arrow\"\u003e+\u003c\/span\u003e\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"cb-scroll\"\u003e\n            \u003cdiv class=\"cb-chips\"\u003e\n              \u003cspan class=\"cb-chip\"\u003eMS621FE\u003c\/span\u003e\n              \u003cspan class=\"cb-chip\"\u003eML621S\/ZT\u003c\/span\u003e\n              \u003cspan class=\"cb-chip\"\u003eML621SZTE\u003c\/span\u003e\n              \u003cspan class=\"cb-chip\"\u003eML621SZTN\u003c\/span\u003e\n              \u003cspan class=\"cb-chip\"\u003eML-621S\/ZTN\u003c\/span\u003e\n              \u003cspan class=\"cb-chip\"\u003eP007-ND\u003c\/span\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cb-box\"\u003e\n        \u003cdetails class=\"cb-mobile-collapse\"\u003e\n          \u003csummary\u003e\n            \u003ch3\u003eTypical Applications\u003c\/h3\u003e\n            \u003cspan class=\"cb-arrow\"\u003e+\u003c\/span\u003e\n          \u003c\/summary\u003e\n\n          \u003cul class=\"cb-list\"\u003e\n            \u003cli\u003eReal-Time Clock (RTC) backup systems\u003c\/li\u003e\n            \u003cli\u003eCMOS and memory retention circuits\u003c\/li\u003e\n            \u003cli\u003eWearable electronics\u003c\/li\u003e\n            \u003cli\u003eCompact consumer electronic devices\u003c\/li\u003e\n            \u003cli\u003eIndustrial sensors\u003c\/li\u003e\n            \u003cli\u003eEmbedded electronic systems\u003c\/li\u003e\n            \u003cli\u003eIoT devices requiring rechargeable backup power\u003c\/li\u003e\n          \u003c\/ul\u003e\n\n        \u003c\/details\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"cb-grid\"\u003e\n\n      \u003cdiv class=\"cb-box\"\u003e\n        \u003cdetails class=\"cb-mobile-collapse\"\u003e\n          \u003csummary\u003e\n            \u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n            \u003cspan class=\"cb-arrow\"\u003e+\u003c\/span\u003e\n          \u003c\/summary\u003e\n\n          \u003cul class=\"cb-list\"\u003e\n            \u003cli\u003e3V rechargeable lithium coin cell battery.\u003c\/li\u003e\n            \u003cli\u003e5.5mAh nominal capacity.\u003c\/li\u003e\n            \u003cli\u003eCompact Ø6.8mm × 2.1mm footprint.\u003c\/li\u003e\n            \u003cli\u003eLow-current operation for backup and retention applications.\u003c\/li\u003e\n            \u003cli\u003eLightweight design at only 0.23g.\u003c\/li\u003e\n            \u003cli\u003ePressure contact termination style.\u003c\/li\u003e\n            \u003cli\u003eDesigned for long-term backup power use.\u003c\/li\u003e\n          \u003c\/ul\u003e\n\n        \u003c\/details\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cb-box\"\u003e\n        \u003cdetails class=\"cb-mobile-collapse\"\u003e\n          \u003csummary\u003e\n            \u003ch3\u003eFAQs\u003c\/h3\u003e\n            \u003cspan class=\"cb-arrow\"\u003e+\u003c\/span\u003e\n          \u003c\/summary\u003e\n\n          \u003cp\u003e\u003cstrong\u003eIs the MS621FE rechargeable?\u003c\/strong\u003e\u003cbr\u003e\n          Yes. The MS621FE uses rechargeable lithium chemistry and is designed for repeated charge and discharge cycles.\u003c\/p\u003e\n\n          \u003cp\u003e\u003cstrong\u003eCan it replace a CR-series coin cell?\u003c\/strong\u003e\u003cbr\u003e\n          No. MS-series batteries are rechargeable and are not direct replacements for non-rechargeable CR coin cells. Always verify device requirements before installation.\u003c\/p\u003e\n\n          \u003cp\u003e\u003cstrong\u003eWhat charging voltage should be used?\u003c\/strong\u003e\u003cbr\u003e\n          The recommended charging voltage range is 2.8V to 3.3V, with 3.1V being typical.\u003c\/p\u003e\n\n          \u003cp\u003e\u003cstrong\u003eWhat size is this battery?\u003c\/strong\u003e\u003cbr\u003e\n          The battery measures 6.8mm in diameter and 2.1mm in height.\u003c\/p\u003e\n\n        \u003c\/details\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"cb-grid\"\u003e\n      \u003cdiv class=\"cb-box\"\u003e\n\n        \u003cdetails class=\"cb-mobile-collapse\"\u003e\n          \u003csummary\u003e\n            \u003ch3\u003eImportant Compatibility Information\u003c\/h3\u003e\n            \u003cspan class=\"cb-arrow\"\u003e+\u003c\/span\u003e\n          \u003c\/summary\u003e\n\n          \u003cp class=\"cb-note\"\u003e\n            Confirm chemistry, charging circuit compatibility, and physical dimensions before purchase. The MS621FE is a rechargeable lithium coin cell and should not be substituted for a primary (non-rechargeable) coin cell unless the device is specifically designed for rechargeable battery operation.\n          \u003c\/p\u003e\n\n          \u003cp class=\"cb-note\"\u003e\n            Verify that the Ø6.8mm × 2.1mm dimensions match your battery holder or PCB layout and always use the recommended charging voltage range of 2.8V to 3.3V.\n          \u003c\/p\u003e\n\n        \u003c\/details\u003e\n\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/section\u003e","brand":"Panasonic","offers":[{"title":"Default Title","offer_id":49670442221886,"sku":"ML621","price":7.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0867\/7097\/5038\/files\/MS621FE.avif?v=1780325972","url":"https:\/\/www.canadianbatteries.com\/products\/alternative-battery-for-panasonic-ml-621s-ztn-seiko-ms621fe-3v-5mah-0-015wh","provider":"Canadianbatteries.com","version":"1.0","type":"link"}