{"product_id":"samsung-58e-21700-battery-5500mah-3-7v-11a-li-ion-rechargeable","title":"Samsung 58E 21700 Battery 5500mAh 3.7V 11A High Capacity Li-ion Cell – Max Runtime for Flashlights, Power Banks, E-Bikes \u0026 DIY Packs (Button Top, Flat Top, Nickel Tab, Protected Top, Pre-wired | 1, 2, 4, 6, 8, 10 Pcs Options)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe Samsung 58E (INR21700-58E) is a premium 21700 lithium-ion cell engineered for maximum runtime and reliable performance. Delivering an impressive 5500mAh capacity and a stable 11A continuous discharge, it is one of the highest-capacity 21700 cells available, making it the ideal power source for devices where endurance is critical: high-performance flashlights, high-capacity power banks, e-bikes, and large DIY battery packs. The cell features low internal resistance and excellent cycle life, ensuring consistent, long-lasting power. Available in Button Top, Flat Top, Nickel Tab, Protected Top, and Pre-wired options, with 1, 2, 4, 6, 8, and 10 pack options to suit your project needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e5500mAh Ultra-High Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e One of the highest energy densities available in the 21700 form factor. Perfect for applications that require long intervals between charges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e11A Continuous Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides stable, reliable power for medium-drain devices, including high-output flashlights, power banks, and e-bikes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMultiple Terminal Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Button Top for spring-loaded devices; Flat Top for spot-welding and standard contacts; Nickel Tab and Pre-wired with Leads for custom battery pack assembly; Protected Top for built-in overcharge\/over-discharge protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLow Internal Resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Minimizes heat generation and energy loss, ensuring maximum power delivery to your device.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eExcellent Cycle Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Retains over 80% of initial capacity after 500 charge\/discharge cycles under recommended conditions, reducing long-term replacement costs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMultiple Pack Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Available in 1, 2, 4, 6, 8, and 10 packs, ideal for single-device replacement, multi-cell power banks, e-bike packs, or bulk DIY projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/2500px_59d86f82-d6da-4d9e-bc21-37d9acae8420.jpg?v=1790122477\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSamsung\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eINR21700-58E\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSize\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e21700 (21mm diameter x 70mm length)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eChemistry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eLithium-Ion (Li-ion)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e5500mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3.6V \/ 3.7V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Charge Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e4.2V ± 0.05V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2.5V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge Current (CDR)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e11A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eInternal Resistance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e≤ 30mΩ (typical)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCycle Life\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e≥ 500 cycles (to 80% capacity)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTop Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eButton Top \/ Flat Top \/ Nickel Tab \/ Protected Top \/ Pre-wired\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eProtection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eUnprotected (bare cell) \/ Protected (Protected Top variant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 70g \/ cell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePack Quantity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e1, 2, 4, 6, 8, 10 Pcs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Performance Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powers high-lumen tactical and EDC flashlights with extended runtime.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Capacity Power Banks:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Build a massive power bank with multiple cells in parallel. The 11A rating supports fast-charging protocols.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eE-Bikes \u0026amp; E-Scooters:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal for building custom battery packs requiring high capacity and stable discharge.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY Battery Packs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfect for robotics, portable power stations, and custom high-capacity projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePortable Fans \u0026amp; Camping Gear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Long runtime for outdoor and emergency use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNot Suitable For:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-drain power tools (\u0026gt;15A continuous), high-power vaping (sub-ohm\/mechanical mods), or devices requiring extreme current output. For those applications, choose dedicated high-drain cells like the Samsung 30T or 40T.\u003c\/span\u003e\u003c\/p\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 actual capacity of this battery?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: The Samsung 58E has a nominal capacity of 5500mAh, one of the highest available in the 21700 form factor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What devices is this battery best suited for?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: It is ideal for devices that draw 11A or less and require maximum runtime: high-performance flashlights, power banks, e-bikes, portable fans, and DIY battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: Can I use this battery for high-power vaping or power tools?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: No. The Samsung 58E is a high-capacity cell with an 11A continuous discharge rating. High-power vaping and power tools typically require 20-40A continuous. For those applications, choose dedicated high-drain cells such as the Samsung 30T (35A) or 40T (35A).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: What is the difference between the terminal options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: Button Top has a raised positive terminal for spring-loaded devices. Flat Top has a flat terminal for spot-welding and standard contacts. Nickel Tab is pre-welded with nickel strips for custom battery pack assembly. Protected Top includes a built-in protection circuit against overcharge, over-discharge, and short circuit. Pre-wired with Leads comes with attached wires for easy connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Does this battery have a protection circuit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: The standard Button Top, Flat Top, Nickel Tab, and Pre-wired versions are unprotected bare cells. The Protected Top variant includes a built-in protection circuit. For multi-cell packs, always use an external BMS.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ6: How should I store these cells when not in use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: Store at 3.6-3.7V (approximately 40-50% charge) in a cool, dry place. Use non-conductive battery cases to prevent accidental short circuits. Avoid storing fully charged or deeply discharged for extended periods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ7: Which terminal type should I choose?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: Choose Button Top for devices with recessed battery compartments. Choose Flat Top for standard spring-contact devices and spot-welding. Choose Nickel Tab or Pre-wired for custom battery pack assembly. Choose Protected Top for devices requiring built-in overcharge\/over-discharge protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ8: How many batteries come in one pack?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: This product is available in 1, 2, 4, 6, 8, and 10 pack options. Please select your desired quantity from the dropdown menu before adding to cart.\u003c\/span\u003e\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"Button Top \/ 1 Pc","offer_id":52017431576822,"sku":"Oneandes765","price":8.98,"currency_code":"USD","in_stock":true},{"title":"Button Top \/ 2Pcs","offer_id":52017431609590,"sku":"Oneandes770","price":16.98,"currency_code":"USD","in_stock":true},{"title":"Button Top \/ 4Pcs","offer_id":52017431642358,"sku":"Oneandes775","price":30.98,"currency_code":"USD","in_stock":true},{"title":"Button Top \/ 6Pcs","offer_id":52017431675126,"sku":"Oneandes780","price":46.98,"currency_code":"USD","in_stock":true},{"title":"Button Top \/ 8Pcs","offer_id":52017431707894,"sku":"Oneandes785","price":58.98,"currency_code":"USD","in_stock":true},{"title":"Button Top \/ 10Pcs","offer_id":52017431740662,"sku":"Oneandes790","price":85.98,"currency_code":"USD","in_stock":true},{"title":"Flat Top \/ 1 Pc","offer_id":52017431773430,"sku":"Oneandes766","price":8.98,"currency_code":"USD","in_stock":true},{"title":"Flat Top \/ 2Pcs","offer_id":52017431806198,"sku":"Oneandes771","price":16.98,"currency_code":"USD","in_stock":true},{"title":"Flat Top \/ 4Pcs","offer_id":52017431838966,"sku":"Oneandes776","price":30.98,"currency_code":"USD","in_stock":true},{"title":"Flat Top \/ 6Pcs","offer_id":52017431871734,"sku":"Oneandes781","price":46.98,"currency_code":"USD","in_stock":true},{"title":"Flat Top \/ 8Pcs","offer_id":52017431904502,"sku":"Oneandes786","price":58.98,"currency_code":"USD","in_stock":true},{"title":"Flat Top \/ 10Pcs","offer_id":52017431937270,"sku":"Oneandes791","price":85.98,"currency_code":"USD","in_stock":true},{"title":"Nickel Tab \/ 1 Pc","offer_id":52017431970038,"sku":"Oneandes767","price":8.98,"currency_code":"USD","in_stock":true},{"title":"Nickel Tab \/ 2Pcs","offer_id":52017432002806,"sku":"Oneandes772","price":16.98,"currency_code":"USD","in_stock":true},{"title":"Nickel Tab \/ 4Pcs","offer_id":52017432035574,"sku":"Oneandes777","price":30.98,"currency_code":"USD","in_stock":true},{"title":"Nickel Tab \/ 6Pcs","offer_id":52017432068342,"sku":"Oneandes782","price":46.98,"currency_code":"USD","in_stock":true},{"title":"Nickel Tab \/ 8Pcs","offer_id":52017432101110,"sku":"Oneandes787","price":58.98,"currency_code":"USD","in_stock":true},{"title":"Nickel Tab \/ 10Pcs","offer_id":52017432133878,"sku":"Oneandes792","price":85.98,"currency_code":"USD","in_stock":true},{"title":"Protected Top \/ 1 Pc","offer_id":52017432166646,"sku":"Oneandes768","price":9.58,"currency_code":"USD","in_stock":true},{"title":"Protected Top \/ 2Pcs","offer_id":52017432199414,"sku":"Oneandes773","price":17.98,"currency_code":"USD","in_stock":true},{"title":"Protected Top \/ 4Pcs","offer_id":52017432232182,"sku":"Oneandes778","price":31.98,"currency_code":"USD","in_stock":true},{"title":"Protected Top \/ 6Pcs","offer_id":52017432264950,"sku":"Oneandes783","price":47.98,"currency_code":"USD","in_stock":true},{"title":"Protected Top \/ 8Pcs","offer_id":52017432297718,"sku":"Oneandes788","price":60.98,"currency_code":"USD","in_stock":true},{"title":"Protected Top \/ 10Pcs","offer_id":52017432330486,"sku":"Oneandes793","price":87.98,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads \/ 1 Pc","offer_id":52017432363254,"sku":"Oneandes769","price":8.98,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads \/ 2Pcs","offer_id":52017432396022,"sku":"Oneandes774","price":16.98,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads \/ 4Pcs","offer_id":52017432428790,"sku":"Oneandes779","price":30.98,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads \/ 6Pcs","offer_id":52017432461558,"sku":"Oneandes784","price":46.98,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads \/ 8Pcs","offer_id":52017432494326,"sku":"Oneandes789","price":58.98,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads \/ 10Pcs","offer_id":52017432527094,"sku":"Oneandes794","price":85.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/samsung-58e-21700-battery-5500mah-11a-flat-top-1pc-rechargeable.webp?v=1792659916","url":"https:\/\/oneandes.com\/products\/samsung-58e-21700-battery-5500mah-3-7v-11a-li-ion-rechargeable","provider":"OneAndes","version":"1.0","type":"link"}