{"product_id":"samsung-inr21700-50e-battery-5000mah-15a-10pcs-flat-top-button-top-welded-tabs-protected","title":"Samsung INR21700-50E Battery 5000mAh 10-Pack 15A– Flat Top, Button Top, Spot Welded Tabs, Pre-Wired Leads \u0026 Protected Top Options for E-Bikes, Power Tools, DIY Battery Packs","description":"\u003ch3\u003e\u003cspan class=\"\"\u003eDescription\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe Samsung INR21700-50E is a high-capacity 21700 lithium-ion cell manufactured by Samsung SDI, with a nominal capacity of 5000mAh. It is an energy-optimized cell designed for medium-power applications requiring long runtime\u003c\/span\u003e\u003ca href=\"https:\/\/tasskood.com\/product\/samsung-50e-21700-rechargeable-battery-5000mah\/#content\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e. Built on INR nickel-manganese chemistry, it delivers a continuous discharge current of approximately 10A (some sources rate it at 15A maximum), with pulse discharge up to 14.7A\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.digitec.ch\/en\/s1\/product\/samsung-battery-inr21700-50e-max-15a-1-pcs-21700-5000-mah-batteries-12822871?imageIndex=3#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e. This product is available in five configurations: flat top, button top, spot welded tabs, pre-wired leads, and protected top. The 10-pack format supports applications ranging from DIY battery pack assembly to drop-in replacements. As a bare cell, the 50E requires a BMS-equipped system, making it suitable for e-bikes, power tools, energy storage systems, and custom battery pack projects\u003c\/span\u003e\u003ca href=\"https:\/\/tasskood.com\/product\/samsung-50e-21700-rechargeable-battery-5000mah\/#content\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.oomipood.ee\/en\/product\/samsung_inr2170050e_4900mah_98a_37v_liion_aku_1tk\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e5000mAh High Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Genuine Samsung SDI cell with high energy density, approximately 18.15Wh per cell, ideal for long-runtime applications\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e10A–15A Continuous Discharge\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Energy-focused design with excellent temperature control and stable discharge plateau under moderate loads\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/world.taobao.com\/lang\/zh-tw\/shopping-guide\/2011849033814900736.htm?spm=a21wu.12321156-tw%2Fdefault.knowledge-recommend.8\u0026amp;from=redirectFromAutoCallApp#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLow Internal Resistance ~13–15mΩ\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Reduced voltage sag and heat generation during high-current discharge\u003c\/span\u003e\u003ca href=\"https:\/\/www.madeinchina.com\/mall\/show-Large-Stock-Inr21700-50e-Battery-21700-5000mAh-3-7V-Lithium-Ion-Rechargeable-Batteries_1061544.html#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"http:\/\/www.sznaguan.com\/product-item-11.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMultiple Configuration Options\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Flat top, button top, spot welded tabs, pre-wired leads, and protected top versions for different assembly and usage scenarios\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCycle Life ≥500 Cycles\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: ≥80% capacity retention (≥3802mAh) after 500 cycles\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.oomipood.ee\/en\/product\/samsung_inr2170050e_4900mah_98a_37v_liion_aku_1tk\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e10-Pack Bulk Packaging\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Ideal for pack assembly, repair replacements, and bulk spares\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Samsung SDI\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: INR21700-50E\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBattery Type\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: INR Li-ion (Nickel Manganese)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSize\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 21700 (21.25mm diameter × 70.8mm height)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 4900mAh (standard discharge) \/ 5000mAh (nominal)\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.oomipood.ee\/en\/product\/samsung_inr2170050e_4900mah_98a_37v_liion_aku_1tk\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRated Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 4753mAh (1C discharge)\u003c\/span\u003e\u003ca href=\"https:\/\/www.oomipood.ee\/en\/product\/samsung_inr2170050e_4900mah_98a_37v_liion_aku_1tk\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 3.6V \/ 3.63V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCharge Cut-off Voltage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 4.2V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 2.5V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge Current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 9.8A \/ 10A (some sources rate 15A)\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.digitec.ch\/en\/s1\/product\/samsung-battery-inr21700-50e-max-15a-1-pcs-21700-5000-mah-batteries-12822871?imageIndex=3#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMax Pulse Discharge Current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 14.7A\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.digitec.ch\/en\/s1\/product\/samsung-battery-inr21700-50e-max-15a-1-pcs-21700-5000-mah-batteries-12822871?imageIndex=3#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eInternal Resistance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Approx. 13–15mΩ (AC 1kHz)\u003c\/span\u003e\u003ca href=\"https:\/\/www.madeinchina.com\/mall\/show-Large-Stock-Inr21700-50e-Battery-21700-5000mAh-3-7V-Lithium-Ion-Rechargeable-Batteries_1061544.html#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"http:\/\/www.sznaguan.com\/product-item-11.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard Charging Current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 2450mA (0.5C)\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMax Charging Current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 4900mA (1C)\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWeight\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Approx. 69g\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCycle Life\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: ≥500 cycles (≥80% capacity retention)\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOperating Temperature\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Charging 0°C ~ 45°C; Discharging -20°C ~ 60°C\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVersion\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Flat Top \/ Button Top \/ Spot Welded Tabs \/ Pre-Wired \/ Protected Top\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePack Quantity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 10-Pack\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eE-Bike and e-scooter battery packs\u003c\/span\u003e\u003ca href=\"https:\/\/tasskood.com\/product\/samsung-50e-21700-rechargeable-battery-5000mah\/#content\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003ePortable power stations and power bank assemblies\u003c\/span\u003e\u003ca href=\"https:\/\/tasskood.com\/product\/samsung-50e-21700-rechargeable-battery-5000mah\/#content\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003ePower tools (moderate-power, not high-burst applications)\u003c\/span\u003e\u003ca href=\"https:\/\/tasskood.com\/product\/samsung-50e-21700-rechargeable-battery-5000mah\/#content\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eSolar energy storage systems and backup power\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eDIY battery pack assembly, repair replacements, and custom pack builds\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: What is the capacity of the INR21700-50E?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Standard discharge capacity is 4900mAh (0.2C discharge), rated capacity is 4753mAh (1C discharge), and nominal capacity is typically listed as 5000mAh\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.oomipood.ee\/en\/product\/samsung_inr2170050e_4900mah_98a_37v_liion_aku_1tk\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the maximum continuous discharge current?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: According to Samsung SDI specifications, the maximum continuous discharge current is 9.8A (approximately 10A), with a maximum pulse discharge current of 14.7A\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.digitec.ch\/en\/s1\/product\/samsung-battery-inr21700-50e-max-15a-1-pcs-21700-5000-mah-batteries-12822871?imageIndex=3#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e. Some market listings rate it at 15A, but the original specification should be considered authoritative.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What are the differences between flat top, button top, welded tabs, pre-wired, and protected versions?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Flat top suits standard battery compartments or spot-welding assembly. Button top fits spring-loaded contacts. Welded tabs are for direct spot-welding into packs. Pre-wired leads suit quick replacement or solder-free applications. Protected versions include built-in overcharge\/over-discharge\/short-circuit protection, suitable for single-cell use without a BMS.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Does this cell have a protection circuit?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Standard, welded tab, and pre-wired versions are\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eunprotected bare cells\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand must be used with a BMS or protected devices. The protected top version includes built-in protection circuitry, suitable for standalone single-cell use\u003c\/span\u003e\u003ca href=\"https:\/\/tasskood.com\/product\/samsung-50e-21700-rechargeable-battery-5000mah\/#content\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.oomipood.ee\/en\/product\/samsung_inr2170050e_4900mah_98a_37v_liion_aku_1tk\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: How should I charge it?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Use CC-CV (constant current, constant voltage) charging with a cut-off voltage of 4.2V. Standard charge current is 2450mA, with a maximum of 4900mA. Do not use chargers not specifically designed for Li-ion cells\u003c\/span\u003e\u003ca href=\"https:\/\/baike.baidu.com\/item\/%E4%B8%89%E6%98%9F21700-50E%E7%94%B5%E8%8A%AF\/63668886#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.electronicaembajadores.com\/datos\/pdf1\/ba\/ba15\/ba1521sa50.pdf#2#2\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ6: How should I store the 10-pack?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Store in a cool, dry place (long-term storage recommended at -20°C to 20°C), keep at approximately 40%–60% state of charge, and use insulating protective cases to prevent short circuits\u003c\/span\u003e\u003ca href=\"https:\/\/tasskood.com\/product\/samsung-50e-21700-rechargeable-battery-5000mah\/#content\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.electronicaembajadores.com\/datos\/pdf1\/ba\/ba15\/ba1521sa50.pdf#2#2\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"Flat Top","offer_id":51659012767990,"sku":"Oneandes35","price":88.98,"currency_code":"USD","in_stock":true},{"title":"Button Top","offer_id":51659012800758,"sku":"Oneandes36","price":89.98,"currency_code":"USD","in_stock":true},{"title":"Spot Welded Tabs","offer_id":51659012833526,"sku":"Oneandes37","price":89.98,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads","offer_id":51659012866294,"sku":"Oneandes38","price":89.98,"currency_code":"USD","in_stock":true},{"title":"Protected Top","offer_id":51659012899062,"sku":"Oneandes39","price":94.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/samsung-inr21700-50e-battery-5000mah-15a-10pcs-button-top-main.webp?v=1789623239","url":"https:\/\/oneandes.com\/products\/samsung-inr21700-50e-battery-5000mah-15a-10pcs-flat-top-button-top-welded-tabs-protected","provider":"OneAndes","version":"1.0","type":"link"}