{"title":"Samsung - 21700","description":"","products":[{"product_id":"samsung-50e-21700","title":"Samsung 50E 21700","description":"\u003cdiv class=\"battery-cell-template\" style=\"--cell-accent:#2563eb; --cell-accent-soft:#dbeafe; --cell-accent-soft-border:#93c5fd; --cell-accent-muted:#1d4ed8;\"\u003e\n  \u003cstyle\u003e\n    .battery-cell-template {\n      font-family: Arial, Helvetica, sans-serif;\n      color: #1f2937;\n      line-height: 1.6;\n      border: 1px solid #e5e7eb;\n      border-top: 6px solid var(--cell-accent);\n      border-radius: 18px;\n      overflow: hidden;\n      background: #ffffff;\n    }\n\n    .battery-cell-template-inner {\n      padding: 24px;\n    }\n\n    .battery-cell-template h2,\n    .battery-cell-template h3,\n    .battery-cell-template p,\n    .battery-cell-template ul,\n    .battery-cell-template table {\n      margin-top: 0;\n    }\n\n    .battery-cell-header {\n      background: linear-gradient(135deg, var(--cell-accent-soft), #ffffff 70%);\n      border: 1px solid var(--cell-accent-soft-border);\n      border-radius: 16px;\n      padding: 18px 18px 14px;\n      margin-bottom: 18px;\n    }\n\n    .battery-cell-header h2 {\n      margin-bottom: 10px;\n      line-height: 1.3;\n      color: #111827;\n    }\n\n    .battery-cell-badge {\n      display: inline-flex;\n      align-items: center;\n      gap: 8px;\n      padding: 8px 12px;\n      border-radius: 999px;\n      background: var(--cell-accent);\n      color: #ffffff;\n      font-size: 13px;\n      font-weight: 700;\n    }\n\n    .battery-cell-section-heading {\n      color: var(--cell-accent-muted);\n      border-left: 5px solid var(--cell-accent);\n      padding-left: 12px;\n      margin: 22px 0 14px;\n    }\n\n    .battery-cell-spec-table {\n      width: 100%;\n      border-collapse: collapse;\n      border: 1px solid #e5e7eb;\n      border-radius: 14px;\n      overflow: hidden;\n      margin-bottom: 18px;\n    }\n\n    .battery-cell-spec-table td {\n      border: 1px solid #e5e7eb;\n      padding: 11px 12px;\n      vertical-align: top;\n    }\n\n    .battery-cell-spec-label {\n      width: 34%;\n      background: var(--cell-accent-soft);\n    }\n\n    .battery-cell-spec-value a {\n      color: var(--cell-accent-muted);\n      font-weight: 700;\n    }\n\n    .battery-cell-highlight {\n      border: 1px solid var(--cell-accent-soft-border);\n      background: linear-gradient(135deg, var(--cell-accent-soft), #ffffff 85%);\n      border-radius: 14px;\n      padding: 14px 16px;\n      margin: 18px 0;\n    }\n\n    .battery-cell-template ul {\n      padding-left: 1.35rem;\n      margin-bottom: 16px;\n    }\n\n    .battery-cell-template li {\n      margin-bottom: 7px;\n    }\n  \u003c\/style\u003e\n  \u003cdiv class=\"battery-cell-template-inner\"\u003e\n    \u003cdiv class=\"battery-cell-header\"\u003e\n      \u003ch2\u003e\u003cstrong\u003eSamsung 50E 21700 Cell – 5000mAh – High-Energy Lithium-Ion Battery - Check availability\u003c\/strong\u003e\u003c\/h2\u003e\n      \u003cdiv class=\"battery-cell-badge\"\u003eContinuous discharge: 9.8A\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cp\u003eThe \u003cstrong\u003eSamsung 50E 21700 5000mAh\u003c\/strong\u003e is a \u003cstrong\u003ehigh-energy lithium-ion cell\u003c\/strong\u003e designed for applications that need \u003cstrong\u003emaximum runtime, strong energy density, and dependable moderate-current delivery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003e5000mAh typical capacity\u003c\/strong\u003e (\u003cstrong\u003e4900mAh minimum\u003c\/strong\u003e), \u003cstrong\u003e3.63V nominal voltage\u003c\/strong\u003e, and \u003cstrong\u003e9.8A continuous discharge\u003c\/strong\u003e, this cell is well suited for \u003cstrong\u003elong-range battery packs, e-bikes, energy storage systems, portable power stations, and custom 21700 builds where runtime matters most\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSamsung SDI’s specification emphasizes \u003cstrong\u003eproper battery-pack design, protective circuitry, temperature control, and welded pack assembly\u003c\/strong\u003e, making this cell best suited for \u003cstrong\u003eproperly engineered battery packs rather than direct loose-cell installation\u003c\/strong\u003e.\u003c\/p\u003e\n\n    \u003ch3 class=\"battery-cell-section-heading\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n    \u003ctable class=\"battery-cell-spec-table\"\u003e\n\u003ctbody\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eSamsung SDI INR21700-50E\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e21700\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eTypical Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e5000mAh\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMinimum Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e4900mAh\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eNominal Energy\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e18.15Wh\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMinimum Energy\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e17.79Wh\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e3.63V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMax Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e4.20V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMin Discharge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e2.50V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMax Continuous Discharge\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e9.8A continuous \/ 14.7A non-continuous\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eStandard Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e2.45A (0.5C) CC\/CV to 4.20V, 98mA cut-off\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMax Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e4.90A (not for cycle life)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eStandard Discharge\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e0.98A (0.2C), 2.50V cut-off\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eLi-ion (INR)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003ePositive Terminal\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eFlat Top\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eProtected\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eNo\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eRechargeable\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eYes\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eInitial AC Impedance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e≤28mΩ at 1kHz\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eApprox. Weight\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e69.5g Max\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e≤21.25mm diameter × ≤70.80mm height\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eCharge: 0°C to 45°C \/ Discharge: -20°C to 60°C\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eStorage Condition\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eStore at low temperature (20°C recommended, below 60°C), below 65% humidity, no dust, no corrosive gas; long-term storage at shipping voltage is recommended\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e≥3802mAh after 500 cycles (80% of rated discharge capacity; 0.5C charge \/ 1C discharge at RT)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e\u003ca href=\"https:\/\/e2e.ti.com\/cfs-file\/__key\/communityserver-discussions-components-files\/196\/INR21700_2D00_50E-Cell-Specification_5F00_V1.0_5F00_180711.pdf\" title=\"Samsung SDI INR21700-50E Cell Specification\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003eDatasheet\u003c\/em\u003e\u003c\/a\u003e\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n    \u003ch3 class=\"battery-cell-section-heading\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h3\u003e\n    \u003cul\u003e\n  \u003cli\u003e✅ Long-Range E-Bikes\u003c\/li\u003e\n  \u003cli\u003e✅ Energy Storage Modules\u003c\/li\u003e\n  \u003cli\u003e✅ Portable Power Stations\u003c\/li\u003e\n  \u003cli\u003e✅ Solar Backup Battery Packs\u003c\/li\u003e\n  \u003cli\u003e✅ Endurance-Focused Custom Builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n    \u003cdiv class=\"battery-cell-highlight\"\u003e\u003cstrong\u003eDIY500AMP.COM Design – High-Energy, Long-Runtime Power\u003c\/strong\u003e\u003c\/div\u003e\n\n    \u003ch3 class=\"battery-cell-section-heading\"\u003e\u003cstrong\u003e⚠️ Safety Warning for Lithium-Ion Battery Usage\u003c\/strong\u003e\u003c\/h3\u003e\n    \u003cp\u003eThis cell must be used with \u003cstrong\u003eproper protective circuitry\u003c\/strong\u003e. Mishandling, short-circuiting, overheating, overcharging, puncture, immersion, or physical damage can cause fire, burns, or serious injury.\u003c\/p\u003e\n\u003cp\u003eSamsung SDI’s pack design guidance requires \u003cstrong\u003econtrolled charge\/discharge limits, short-circuit protection, and welded pack connections rather than direct soldering\u003c\/strong\u003e. Use only in a \u003cstrong\u003eproperly engineered battery pack\u003c\/strong\u003e with suitable BMS\/PCM protection and thermal management.\u003c\/p\u003e\n\n    \u003ch3 class=\"battery-cell-section-heading\"\u003e\u003cstrong\u003eImportant Usage Guidelines:\u003c\/strong\u003e\u003c\/h3\u003e\n    \u003cul\u003e\n  \u003cli\u003eUse in Properly Engineered Battery Packs\u003c\/li\u003e\n  \u003cli\u003eUse with Proper Protective Circuitry \/ BMS \/ PCM\u003c\/li\u003e\n  \u003cli\u003eSpot Weld Only – Do Not Solder Directly\u003c\/li\u003e\n  \u003cli\u003eDo Not Short-Circuit the Cell\u003c\/li\u003e\n  \u003cli\u003eDo Not Disassemble, Incinerate, or Immerse in Water\u003c\/li\u003e\n  \u003cli\u003eDo Not Charge Below 0°C or Above 45°C\u003c\/li\u003e\n\u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samsung","offers":[{"title":"Default Title","offer_id":41239659085895,"sku":"SAM-50E-21700-B1","price":2.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/8055\/7127\/files\/C6100AA1-2EE1-4313-950F-CF5ED114CCC5.png?v=1730669342"},{"product_id":"samsung-50s","title":"Samsung 50S 21700 5000mAh 25A Battery","description":"\u003cdiv class=\"battery-cell-template\" style=\"--cell-accent:#ea580c; --cell-accent-soft:#ffedd5; --cell-accent-soft-border:#fdba74; --cell-accent-muted:#c2410c;\"\u003e\n  \u003cstyle\u003e\n    .battery-cell-template {\n      font-family: Arial, Helvetica, sans-serif;\n      color: #1f2937;\n      line-height: 1.6;\n      border: 1px solid #e5e7eb;\n      border-top: 6px solid var(--cell-accent);\n      border-radius: 18px;\n      overflow: hidden;\n      background: #ffffff;\n    }\n\n    .battery-cell-template-inner {\n      padding: 24px;\n    }\n\n    .battery-cell-template h2,\n    .battery-cell-template h3,\n    .battery-cell-template p,\n    .battery-cell-template ul,\n    .battery-cell-template table {\n      margin-top: 0;\n    }\n\n    .battery-cell-header {\n      background: linear-gradient(135deg, var(--cell-accent-soft), #ffffff 70%);\n      border: 1px solid var(--cell-accent-soft-border);\n      border-radius: 16px;\n      padding: 18px 18px 14px;\n      margin-bottom: 18px;\n    }\n\n    .battery-cell-header h2 {\n      margin-bottom: 10px;\n      line-height: 1.3;\n      color: #111827;\n    }\n\n    .battery-cell-badge {\n      display: inline-flex;\n      align-items: center;\n      gap: 8px;\n      padding: 8px 12px;\n      border-radius: 999px;\n      background: var(--cell-accent);\n      color: #ffffff;\n      font-size: 13px;\n      font-weight: 700;\n    }\n\n    .battery-cell-section-heading {\n      color: var(--cell-accent-muted);\n      border-left: 5px solid var(--cell-accent);\n      padding-left: 12px;\n      margin: 22px 0 14px;\n    }\n\n    .battery-cell-spec-table {\n      width: 100%;\n      border-collapse: collapse;\n      border: 1px solid #e5e7eb;\n      border-radius: 14px;\n      overflow: hidden;\n      margin-bottom: 18px;\n    }\n\n    .battery-cell-spec-table td {\n      border: 1px solid #e5e7eb;\n      padding: 11px 12px;\n      vertical-align: top;\n    }\n\n    .battery-cell-spec-label {\n      width: 34%;\n      background: var(--cell-accent-soft);\n    }\n\n    .battery-cell-spec-value a {\n      color: var(--cell-accent-muted);\n      font-weight: 700;\n    }\n\n    .battery-cell-highlight {\n      border: 1px solid var(--cell-accent-soft-border);\n      background: linear-gradient(135deg, var(--cell-accent-soft), #ffffff 85%);\n      border-radius: 14px;\n      padding: 14px 16px;\n      margin: 18px 0;\n    }\n\n    .battery-cell-template ul {\n      padding-left: 1.35rem;\n      margin-bottom: 16px;\n    }\n\n    .battery-cell-template li {\n      margin-bottom: 7px;\n    }\n  \u003c\/style\u003e\n  \u003cdiv class=\"battery-cell-template-inner\"\u003e\n    \u003cdiv class=\"battery-cell-header\"\u003e\n      \u003ch2\u003e\u003cstrong\u003eSamsung 50S 21700 Cell – 5000mAh – High-Performance Lithium-Ion Battery - Check availability\u003c\/strong\u003e\u003c\/h2\u003e\n      \u003cdiv class=\"battery-cell-badge\"\u003eContinuous discharge: 25A\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cp\u003eThe \u003cstrong\u003eSamsung 50S 21700 5000mAh\u003c\/strong\u003e is a \u003cstrong\u003ehigh-performance lithium-ion cell\u003c\/strong\u003e designed for builds that need \u003cstrong\u003estrong runtime, high energy density, and dependable current delivery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003e5000mAh typical capacity\u003c\/strong\u003e (\u003cstrong\u003e4800mAh minimum\u003c\/strong\u003e), \u003cstrong\u003e3.6V nominal voltage\u003c\/strong\u003e, and \u003cstrong\u003eup to 25A continuous discharge without temperature cut-off\u003c\/strong\u003e (\u003cstrong\u003e45A with 80°C temperature cut-off\u003c\/strong\u003e), this cell is well suited for \u003cstrong\u003epower tools, outdoor power equipment, cleaners, high-output battery packs, and custom performance assemblies\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSamsung positions the 50S as a \u003cstrong\u003eruntime-optimized 21700 cell\u003c\/strong\u003e for demanding applications. It is best used in \u003cstrong\u003eproperly engineered battery packs with suitable BMS\/PCB protection and temperature monitoring\u003c\/strong\u003e.\u003c\/p\u003e\n\n    \u003ch3 class=\"battery-cell-section-heading\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n    \u003ctable class=\"battery-cell-spec-table\"\u003e\n\u003ctbody\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eSamsung INR21700-50S\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e21700\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eNominal Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e5000mAh\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMinimum Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e4800mAh\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e3.6V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMax Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e4.2V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMin Discharge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e2.5V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMax Continuous Discharge\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e25A (without temperature cut-off) \/ 45A (with 80°C temperature cut-off)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eStandard Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e2.5A (0.5C)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eRated Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e6A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMax Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e10A (step charge) \/ 6A (continuous charge)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eStandard Discharge\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e1A (0.2C), 2.5V cut-off\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eLi-ion\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003ePositive Terminal\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eFlat Top\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eProtected\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eNo\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eRechargeable\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eYes\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eInitial Impedance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e≤14mΩ\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eApprox. Weight\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e72.0g Max\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e21.25mm diameter max × 70.62mm height max\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eAmbient — Charge: 0°C to 60°C \/ Discharge: -20°C to 60°C; Surface — Charge: 0°C to 60°C (recommended recharge release \u0026lt;45°C) \/ Discharge: -20°C to 80°C (must re-discharge release \u0026lt;60°C)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eStorage Condition\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eStore at 0°C to 23°C, below 65% RH, low dust, no corrosive gas; for long-term storage keep at shipping voltage and preserve dry and low-temperature\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e≥2940mAh after 250 cycles at 25A discharge; ≥2940mAh after 100 cycles at 45A discharge with 80°C cut-off\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e\u003ca href=\"https:\/\/www.dnkpower.com\/wp-content\/uploads\/2022\/07\/SAMSUNG-INR21700-50S-Cell-Specification.pdf\" title=\"Samsung INR21700-50S Datasheet\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003eDatasheet\u003c\/em\u003e\u003c\/a\u003e\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n    \u003ch3 class=\"battery-cell-section-heading\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h3\u003e\n    \u003cul\u003e\n  \u003cli\u003e✅ High-Performance E-Bikes\u003c\/li\u003e\n  \u003cli\u003e✅ Electric Scooters\u003c\/li\u003e\n  \u003cli\u003e✅ Power Tools\u003c\/li\u003e\n  \u003cli\u003e✅ Heavy-Duty Battery Packs\u003c\/li\u003e\n  \u003cli\u003e✅ Custom 21700 Builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n    \u003cdiv class=\"battery-cell-highlight\"\u003e\u003cstrong\u003eDIY500AMP.COM Design – High-Performance, Runtime-Focused Power\u003c\/strong\u003e\u003c\/div\u003e\n\n    \u003ch3 class=\"battery-cell-section-heading\"\u003e\u003cstrong\u003e⚠️ Safety Warning for Lithium-Ion Battery Usage\u003c\/strong\u003e\u003c\/h3\u003e\n    \u003cp\u003eCustomers should understand proper lithium-ion battery handling before use. These cells can present fire, burn, or explosion hazards if short-circuited, overcharged, physically damaged, overheated, punctured, or used outside manufacturer specifications. Always charge on a fire-resistant surface and never leave charging batteries unattended.\u003c\/p\u003e\n\u003cp\u003eBy purchasing or using this battery, the user assumes responsibility for correct handling, pack integration, charging, temperature management, and protection. This cell is best used in a properly designed battery pack with appropriate BMS\/PCB protection. Only use chargers and charging methods designed for this battery type, and never mix old and new cells in the same pack.\u003c\/p\u003e\n\n    \u003ch3 class=\"battery-cell-section-heading\"\u003e\u003cstrong\u003eImportant Usage Guidelines:\u003c\/strong\u003e\u003c\/h3\u003e\n    \u003cul\u003e\n  \u003cli\u003eNot for Use in E-Cigarettes or Similar Devices\u003c\/li\u003e\n  \u003cli\u003eUse in a Properly Protected Pack\u003c\/li\u003e\n  \u003cli\u003eSpot Weld Only – Do Not Solder Directly\u003c\/li\u003e\n  \u003cli\u003eMonitor Temperature Under High Load\u003c\/li\u003e\n  \u003cli\u003eInspect Wrap and Insulator Ring Before Use\u003c\/li\u003e\n  \u003cli\u003eFollow Manufacturer Specs Strictly\u003c\/li\u003e\n\u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samsung","offers":[{"title":"Default Title","offer_id":41242437976135,"sku":"SAM-50S-21700-B1","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/8055\/7127\/files\/samsung-50s-21700-lithium-cell.jpg?v=1734613970"}],"url":"https:\/\/diy500amp.com\/collections\/samsung-21700.oembed","provider":"DIY500AMP.COM","version":"1.0","type":"link"}