{"product_id":"tenpower-50xg-21700-5000-mah-90a-battery-tabless-cell","title":"TENPOWER 50XG 21700 5000 mAh 90A Battery – Tabless Cell","description":"\u003cdiv class=\"battery-cell-template\" style=\"--cell-accent:#dc2626; --cell-accent-soft:#fee2e2; --cell-accent-soft-border:#fca5a5; --cell-accent-muted:#b91c1c;\"\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\u003eTENPOWER 50XG 21700 Cell – 5000mAh High-Power Lithium-Ion Battery - Check availability\u003c\/strong\u003e\u003c\/h2\u003e\n      \u003cdiv class=\"battery-cell-badge\"\u003eContinuous discharge: 40A\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cp\u003eThe \u003cstrong\u003eTENPOWER 50XG 21700 5000mAh\u003c\/strong\u003e is a \u003cstrong\u003ehigh-power lithium-ion cell\u003c\/strong\u003e designed for applications that need \u003cstrong\u003estrong current delivery, low internal resistance, and solid runtime\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003e5000mAh typical capacity\u003c\/strong\u003e, \u003cstrong\u003e3.6V nominal voltage\u003c\/strong\u003e, and \u003cstrong\u003every high discharge capability\u003c\/strong\u003e, this cell is well suited for \u003cstrong\u003ehigh-performance battery packs, electric mobility systems, power tools, robotics, high-output flashlights, and other demanding rechargeable power assemblies\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis cell uses a \u003cstrong\u003eflat top 21700 format\u003c\/strong\u003e and is best used in \u003cstrong\u003eproperly engineered battery packs with an appropriate BMS\/PCB and thermal management\u003c\/strong\u003e. It is intended for users who need \u003cstrong\u003ehigh power density and stable voltage under load\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\"\u003eINR21700-50XG\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003eTENPOWER\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\"\u003e4950mAh\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\"\u003e40A continuous (without temperature cutoff), up to 90A with 75°C temperature cutoff\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eMax Pulse Discharge\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e140A (3 seconds)\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\"\u003e0.5C (2.5A, CCCV)\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\"\u003e15A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eInternal Resistance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e≤4mΩ (AC 1kHz)\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 \/ NCA)\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\u003eApprox. Weight\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e70g typ, 75g 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≤21.50mm × ≤70.50mm\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 to 45°C; Discharge: -20 to 60°C\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≥500 cycles to 60% of initial capacity\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd class=\"battery-cell-spec-label\"\u003e\u003cstrong\u003eReference Spec\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd class=\"battery-cell-spec-value\"\u003e\u003ca href=\"https:\/\/convoylight.com\/products\/tenpower-inr21700-50xg-21700-lithium-battery\" title=\"Reference Spec\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003eReference Spec\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-Power 21700 Performance\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, 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, discharge limits, and protection. This cell is best used in a protected battery pack with an appropriate BMS\/PCB and proper thermal control. 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\u003eMust Be Used in a Properly Managed Pack\u003c\/li\u003e\n  \u003cli\u003eSpot Weld Only – Do Not Solder Directly\u003c\/li\u003e\n  \u003cli\u003eUse Appropriate BMS and Thermal Protection\u003c\/li\u003e\n  \u003cli\u003eStore in Fireproof Container\u003c\/li\u003e\n  \u003cli\u003eInspect 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":"TENPOWER","offers":[{"title":"Default Title","offer_id":42006568108103,"sku":"TP-50XG-21700-5AH-90A","price":6.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/8055\/7127\/files\/reliance-rs50-21700-5000mah-70a-tabless-lithium-ion-battery-cell-upright-and-side-view.jpg?v=1774981275","url":"https:\/\/diy500amp.com\/products\/tenpower-50xg-21700-5000-mah-90a-battery-tabless-cell","provider":"DIY500AMP.COM","version":"1.0","type":"link"}