{"id":9573,"date":"2026-07-04T03:50:12","date_gmt":"2026-07-04T03:50:12","guid":{"rendered":"https:\/\/materialparts.com\/ur1865zm2\/"},"modified":"2026-07-04T03:50:12","modified_gmt":"2026-07-04T03:50:12","slug":"ur1865zm2","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/ur1865zm2\/","title":{"rendered":"UR1865ZM2"},"content":{"rendered":"

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The UR1865ZM2 is a Panasonic Energy (formerly Sanyo) cylindrical 18650 lithium-ion rechargeable cell with 2550 mAh typical capacity and 3.6V nominal voltage. It belongs to the general-purpose standard type, offering an excellent balance of capacity, cycle life, and cost for a wide range of portable and stationary applications.<\/p>\n

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Chemistry<\/td>\nLithium-Ion (Li-Ion \/ INR)<\/td>\n<\/tr>\n
Nominal Voltage<\/td>\n3.6 V<\/td>\n<\/tr>\n
Capacity (min.)<\/td>\n2470 mAh<\/td>\n<\/tr>\n
Capacity (typ.)<\/td>\n2550 mAh<\/td>\n<\/tr>\n
Max Charge Voltage<\/td>\n4.2 V<\/td>\n<\/tr>\n
Cut-off Voltage<\/td>\n2.5 V<\/td>\n<\/tr>\n
Max Continuous Discharge<\/td>\n4.8 A<\/td>\n<\/tr>\n
Max Pulse Discharge<\/td>\n7 A<\/td>\n<\/tr>\n
Dimensions<\/td>\n18.5 mm dia x 65.3 mm height (with tube)<\/td>\n<\/tr>\n
Weight<\/td>\n46.4 g (max)<\/td>\n<\/tr>\n
Cycle Life<\/td>\n300-500 cycles<\/td>\n<\/tr>\n<\/table>\n

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    \n
  • High energy density 2550 mAh in standard 18650 form factor<\/li>\n
  • 4.8 A continuous discharge for moderate-power applications<\/li>\n
  • Balanced performance: good capacity, long cycle life, and competitive cost<\/li>\n
  • Panasonic\/Sanyo manufacturing quality with proven safety record<\/li>\n
  • Standard 18650 dimensions for universal compatibility with battery holders and packs<\/li>\n<\/ul>\n

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      \n
    • Power tool battery packs<\/li>\n
    • Electric toothbrushes and shavers<\/li>\n
    • Portable data terminals and handheld scanners<\/li>\n
    • Home appliances and cordless devices<\/li>\n
    • Custom power banks and battery storage systems<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The UR1865ZM2 is a Panasonic Energy (formerly Sanyo) cylindrical 18650 lithium-ion rechargeable cell with 2550 mAh typical capacity and 3.6V nominal voltage. It belongs to the general-purpose standard type, offering an excellent balance of capacity, cycle life, and cost for a wide range of portable and stationary applications. Key Specifications Chemistry Lithium-Ion (Li-Ion […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,41],"tags":[816],"chip_brand":[238],"class_list":["post-9573","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-read-only-memory-rom","tag-ur1865zm2","chip_brand-panasonic"],"acf":{"brief_explanation":"Panasonic 18650 Li-Ion cell, 3.6V, 2550mAh, 4.8A discharge, general-purpose cylindrical battery","date_code":"","package_case":"18650 Cylindrical (18.5 x 65.3 mm with tube)","in_stock":14723,"datasheet":"https:\/\/energy.panasonic.com\/ap\/business\/products\/lithium-ion\/cylindrical-standard","price":"","product_introduction":"The UR1865ZM2 is a Panasonic Energy cylindrical 18650 lithium-ion rechargeable cell delivering 2550 mAh typical capacity at 3.6V nominal. Classified as a general-purpose standard type, it offers an optimized balance of capacity, discharge capability (4.8 A continuous), cycle life (300-500 cycles), and cost. Manufactured with Panasonic's industry-leading Li-Ion quality, the flat-top cell is suitable for battery pack assembly in power tools, home appliances, portable terminals, and custom energy storage systems.","working_principle":"The UR1865ZM2 operates as a lithium-ion rechargeable cell using graphite anode and lithium metal oxide cathode chemistry. During charging, lithium ions migrate from the cathode through the electrolyte and intercalate into the graphite anode. During discharge, the reverse process occurs: lithium ions de-intercalate from the anode, travel through the electrolyte, and return to the cathode, releasing electrical energy. The cell maintains approximately 3.6-3.7V through most of its discharge curve, with 4.2V at full charge and 2.5V cut-off. The INR chemistry provides moderate discharge rates with good thermal stability.","pin_description":"
      Terminal<\/th>Function<\/th><\/tr>
      Positive (+)<\/td>Flat top positive terminal (no internal PCB)<\/td><\/tr>
      Negative (-)<\/td>Flat bottom negative terminal<\/td><\/tr>
      Tubing<\/td>PVC insulating sleeve (18.5 mm diameter with tube)<\/td><\/tr>
      Vent<\/td>Pressure relief vent mechanism for safety<\/td><\/tr>
      PTC (if equipped)<\/td>Positive temperature coefficient safety device<\/td><\/tr><\/table>","application_scenarios":"
      • Power tool 5S battery pack delivering 18V \/ 4.8A per cell<\/li>
      • Electric toothbrush with single cell 2550 mAh runtime<\/li>
      • Handheld barcode scanner 2S battery pack (7.2V, 2550 mAh)<\/li>
      • Custom power bank with 3S2P configuration (11.1V, 5100 mAh)<\/li>
      • Home appliance cordless vacuum backup battery module<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        UR1865ZP<\/td>Panasonic<\/td>2600 mAh, slightly higher capacity<\/td><\/tr>
        UR18650AA<\/td>Panasonic<\/td>2250 mAh, lower cost variant<\/td><\/tr>
        ICR18650-26F<\/td>Samsung SDI<\/td>2600 mAh alternative<\/td><\/tr>
        LGDBHE21865<\/td>LG Energy<\/td>Comparable 18650 general-purpose cell<\/td><\/tr>
        NCR18650GA<\/td>Panasonic<\/td>3450 mAh high-capacity Ni-system<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=9573"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9573\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=9573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=9573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=9573"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=9573"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}