{"product_id":"molicel-p28a-inr-18650-p28a-2800mah-35a-flat-top-battery","title":"Molicel P28A INR-18650-P28A 2800mAh 35a Flat Top  Battery","description":"\u003ch1\u003eMolicel P28A INR-18650-P28A 18650 Battery — 2800mAh 35A High-Power Flat Top Cell\u003c\/h1\u003e\n\u003ch3\u003eHigh-Performance 18650 Lithium-Ion Cell for Power-Demanding Applications\u003c\/h3\u003e\n\u003cp\u003eThe\u003cstrong\u003e \u003c\/strong\u003eMolicel INR-18650-P28A (P28A) is a high-power 18650 lithium-ion battery cell designed for applications that require an effective balance of capacity, current capability, and consistent power delivery.\u003c\/p\u003e\n\u003cp\u003eWith a manufacturer-rated capacity of 2800mAh and a rated maximum discharge current of 35A under specified thermal conditions, the P28A is well suited for high-drain battery packs, power tools, portable power equipment, mobility applications, and other demanding electronic systems.\u003c\/p\u003e\n\u003cp\u003eThe P28A combines the compact 18650 form factor with a high-power cell design, making it an excellent option when both energy capacity and current capability are important.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚡ Molicel P28A — Built for High-Power Applications\u003c\/h2\u003e\n\u003cp\u003eThe P28A is designed for applications where a conventional high-capacity 18650 may not provide sufficient current capability.\u003c\/p\u003e\n\u003ch3\u003eKey Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2800mAh rated capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e35A maximum discharge capability\u003c\/strong\u003e*\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-power INR lithium-ion chemistry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact 18650 cylindrical format\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlat-top terminal design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for high-drain battery pack applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for demanding discharge conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManufacturer-grade Molicel cell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConsistent cell construction for pack-building applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for applications where power output and capacity must be balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Maximum discharge ratings are dependent on operating conditions, temperature, cutoff parameters, and manufacturer specifications. Always design the battery pack around the manufacturer's current, temperature, charging, and safety requirements.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003e🔋 Molicel P28A Specifications\u003c\/h1\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eE-One Moli Energy Corp. \/ Molicel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eINR-18650-P28A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP28A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLithium-Ion Rechargeable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eINR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2800mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Discharge Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2700mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35A*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat Top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Circuit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprox. Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.3 ± 0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprox. Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65.05 ± 0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTaiwan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications \/ Standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUN 38.3, UL 1642, IEC 62133\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eImportant:\u003c\/h3\u003e\n\u003cp\u003eThis is an unprotected bare cell. There is no built-in PCB, BMS, over-charge protection, over-discharge protection, or short-circuit protection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003e35A High-Power Capability\u003c\/h1\u003e\n\u003cp\u003eThe P28A was developed for applications requiring substantially more current than traditional high-capacity 18650 cells.\u003c\/p\u003e\n\u003cp\u003eIts 35A maximum discharge rating makes it particularly attractive for high-power battery pack designs where current demand is an important consideration.\u003c\/p\u003e\n\u003cp\u003eHowever, the maximum rating should not automatically be interpreted as a continuous operating recommendation for every application.\u003c\/p\u003e\n\u003cp\u003eActual allowable current depends on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOperating temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCell temperature rise\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePack configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCooling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDischarge duration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBattery management system settings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCutoff voltage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInterconnect resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNumber of cells in parallel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication-specific safety requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways design and operate the finished battery pack according to the manufacturer's specifications and the requirements of the complete system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003e📐 18650 Flat-Top Cell Design\u003c\/h1\u003e\n\u003cp\u003eThe P28A uses the standard cylindrical \u003cstrong\u003e18650 form factor\u003c\/strong\u003e, measuring approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e18.3mm diameter × 65.05mm length\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIts \u003cstrong\u003eflat-top terminal\u003c\/strong\u003e makes it suitable for many custom battery pack assemblies and cell holders designed for flat-top 18650 cells.\u003c\/p\u003e\n\u003ch3\u003ePlease verify compatibility before ordering.\u003c\/h3\u003e\n\u003cp\u003e18650 cells are not universally interchangeable. Confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCell dimensions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTerminal configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRequired capacity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContinuous and peak current requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCharging requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBattery management system compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePack configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication-specific safety requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003e🏭 Genuine Molicel Manufacturing\u003c\/h1\u003e\n\u003cp\u003eWe supply genuine Molicel cells intended for demanding battery applications.\u003c\/p\u003e\n\u003cp\u003eFor battery pack builders and professional users, cell authenticity and consistency are important. Cells should be sourced through an established supply chain and inspected for condition, labeling, dimensions, and overall quality.\u003c\/p\u003e\n\u003cp\u003eWe focus on supplying cells from established manufacturers rather than unknown or unverified sources.\u003c\/p\u003e\n\u003ch3\u003eIdeal for:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBattery pack builders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOEM applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngineering and prototyping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-drain electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePortable power systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRobotics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMobility equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustom lithium-ion battery packs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOther applications requiring high-power 18650 cells\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003e📦 Sold Individually\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003ePrice shown is for ONE battery cell.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are individual 18650 cells and are \u003cstrong\u003enot sold as a pair unless specifically stated in the product options\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor larger battery-pack projects, contact us regarding \u003cstrong\u003ebulk quantities and supply requirements\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003e⚠️ Bare Cell — No Protection Circuit\u003c\/h1\u003e\n\u003cp\u003eThe P28A is a\u003cstrong\u003e \u003c\/strong\u003ebare rechargeable lithium-ion cell.\u003c\/p\u003e\n\u003cp\u003eIt does not include:\u003c\/p\u003e\n\u003cp\u003e❌ Built-in BMS\u003cbr\u003e❌ PCB protection\u003cbr\u003e❌ Over-charge protection\u003cbr\u003e❌ Over-discharge protection\u003cbr\u003e❌ Short-circuit protection\u003c\/p\u003e\n\u003cp\u003eA properly engineered battery pack may require an appropriate \u003cstrong\u003eBMS\/protection system\u003c\/strong\u003e, depending on the application.\u003c\/p\u003e\n\u003cp\u003eDo not use a bare lithium-ion cell as a direct replacement for a protected battery unless the complete system is specifically designed for that cell.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003e🔧 Battery Pack Applications\u003c\/h1\u003e\n\u003cp\u003eWhen multiple P28A cells are assembled into a battery pack, the cells may be configured in series (S) and\/or parallel (P).\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003e📄 Manufacturer Documentation\u003c\/h1\u003e\n\u003cp\u003eManufacturer documentation may include technical specifications and applicable transportation\/safety documentation.\u003c\/p\u003e\n\u003cp\u003eFor engineering, commercial, OEM, or institutional applications requiring documentation, please contact us before ordering so we can determine which documents are applicable to your specific project and cell production lot.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003e⚠️ IMPORTANT LITHIUM-ION BATTERY SAFETY INFORMATION\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eRechargeable lithium-ion cells can cause fire, explosion, serious injury, or property damage if improperly used, charged, stored, transported, or assembled.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a \u003cstrong\u003ebare lithium-ion cell intended for knowledgeable users and properly engineered battery systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eNever:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eShort-circuit the cell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReverse the polarity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOvercharge or over-discharge the cell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExceed manufacturer-specified operating limits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse a damaged, dented, swollen, or otherwise compromised cell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAttempt to recharge a damaged cell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpose the cell to excessive heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDisassemble or modify the cell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCarry loose cells where they can contact conductive objects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse incompatible chargers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMix cells with significantly different characteristics in a battery pack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBattery packs should be designed and assembled by qualified individuals using appropriate equipment, protection circuitry, charging systems, thermal management, and safety procedures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo not use loose lithium-ion cells outside their intended application or without appropriate protection and battery-management systems where required.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe purchaser is responsible for determining whether this cell is suitable for the intended application and for designing, assembling, testing, charging, using, and storing the finished battery system safely.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"18650 Battery Partners","offers":[{"title":"Default Title","offer_id":48947806928998,"sku":"Molicel-P28A-18650","price":5.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/9904\/7782\/files\/MolicelP28AINR-18650-P28A2800mAh35aFlatTopBattery.png?v=1790342434","url":"https:\/\/18650batterypartners.com\/products\/molicel-p28a-inr-18650-p28a-2800mah-35a-flat-top-battery","provider":"18650 Battery Partners","version":"1.0","type":"link"}