{"product_id":"2-pack-vapcell-ifr26650-d30-3000mah-3-2v-lifepo4-50a-ultra-high-drain-flat-top-rechargeable-battery","title":"2-Pack Vapcell D30 26650 3000mAh 3.2V LiFePO4 50A CDR Flat Top Battery – Ultra High Drain for Jump Starters, RC \u0026 Power Tools","description":"\u003ch4\u003e\u003cspan class=\"\"\u003eDescription\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eExperience extreme power and unmatched safety with the Vapcell D30, a 26650 LiFePO4 (lithium iron phosphate) cell engineered for the most demanding high-drain applications. This 2-pack delivers a staggering 50A continuous discharge with a nominal 3.2V, making it the definitive choice for automotive jump starters, RC engine starters, high-torque power tools, and DIY battery projects where instantaneous current and thermal stability are critical. With a cycle life exceeding 2000 charges and inherent resistance to thermal runaway, the D30 outperforms traditional lithium-ion cells in both longevity and safety. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a 3.2V LiFePO4 cell—it requires a dedicated LiFePO4-compatible charger and is not compatible with standard 3.7V lithium-ion devices or chargers.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e50A True Continuous Discharge (CDR)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Massive, stable current for extreme applications. Handles engine starter surges, high-torque tool loads, and pulse applications effortlessly. Ultra-low internal resistance ensures minimal voltage sag.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLiFePO4 (Lithium Iron Phosphate) Chemistry\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Inherently safer than traditional Li-ion. Exceptional thermal stability virtually eliminates fire risk. Delivers over 2000 charge cycles, dramatically outlasting standard cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3000mAh \/ 3.2V Nominal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Optimized for high-current delivery. Note the 3.2V nominal voltage—not compatible with standard 3.7V devices. Total energy approximately 9.6Wh.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e26650 Form Factor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Larger diameter (26.5mm) for superior current handling and heat dissipation. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eAlways verify your device accepts 26650 cells.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – Ideal for building custom high-current battery packs with spot-welded nickel strips. Compatible with spring-contact devices designed for flat top 26650 cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCritical Charger Requirement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e – \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMust use a charger with LiFePO4 \/ 3.2V mode.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Standard 3.7V lithium-ion chargers will not charge correctly and may damage the cell.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h4\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e\n\u003c\/div\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\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eVapcell IFR26650 D30\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\u003cstrong\u003e\u003cspan class=\"\"\u003eLiFePO4 (Lithium Iron Phosphate)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eForm Factor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e26650\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\u003cstrong\u003e\u003cspan class=\"\"\u003e3.2 V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCharge Voltage (Max)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3.65 V ± 0.05 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTypical Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3000 mAh (0.5C discharge to 2.0V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge (CDR)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e50 A\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Pulse Discharge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eUp to 80 A+ (short burst, monitor temperature)\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=\"\"\u003e2.0 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eStandard Charge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCC-CV, 0.5C (1500 mA) to 3.65 V, cut-off 30 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Charge Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e1C (3000 mA)\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≤ 12 mΩ (extremely low)\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\n\u003cstrong\u003e\u003cspan class=\"\"\u003e≥ 2000 cycles\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (to 80% capacity)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOperating Temperature (Discharge)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e-20°C to 60°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCharging Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e0°C to 45°C\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=\"\"\u003eFlat Top\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 26.5 mm diameter × 65.5 mm length\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWeight (single cell)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 85 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePackage Includes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2 × Vapcell D30 26650 cells in protective packaging\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRecommended For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eAutomotive Jump Starters \u0026amp; Portable Power\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: The 50A CDR and LiFePO4 safety make this ideal for 12V (4S) jump starter packs. Deliver hundreds of amps to start vehicles reliably and safely.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRC Engine Starters \u0026amp; Glow Plugs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Instantaneous high current for starting nitro and gas RC engines. Consistent power delivery without sag.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Torque Cordless Power Tools\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Build or rebuild heavy-duty tool battery packs (4S–5S configurations). The D30 handles angle grinders, impact wrenches, and circular saws with ease.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY High-Current Battery Packs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Spot welders, portable inverters, and any project requiring reliable, ultra-high-rate discharge with superior safety.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Power Lighting Systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: HID spotlights, professional cinema lighting, and custom flashlight builds that demand sustained high current.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNot Recommended For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard 3.7V Lithium-Ion Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: The D30's 3.2V nominal voltage is incompatible with most consumer flashlights, power banks, and electronics designed for 3.6V\/3.7V cells. Device may not power on or may show low battery.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard 3.7V Lithium-Ion Chargers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Must use a charger with dedicated LiFePO4 (3.2V) mode. Using a standard 3.7V charger will overcharge and permanently damage the cell.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18650 or 21700 Devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: The 26650 format is larger (26.5mm diameter). Verify compatibility before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Can I use this battery in my regular 18650 or 21700 flashlight?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: No, for two critical reasons. First, this is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e26650\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e cell (26.5mm diameter)—it is physically larger and will not fit in 18650 or 21700 battery compartments. Second, this is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.2V LiFePO4\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e cell. Most consumer flashlights are designed for 3.7V lithium-ion cells. Using a 3.2V battery may result in the light not turning on, low brightness, or a persistent low-battery warning.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Can I charge this with my regular lithium-ion charger?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo. You must use a charger that specifically supports LiFePO4 batteries (3.2V mode).\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Standard 3.7V lithium-ion chargers charge to 4.2V, which will dangerously overcharge a LiFePO4 cell (max charge voltage 3.65V), causing permanent damage and potential safety hazards. Always verify your charger has a dedicated LiFePO4 setting before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: What are the advantages of LiFePO4 over regular Li-ion?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: LiFePO4 offers three key advantages: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSafety\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (excellent thermal stability, virtually no fire\/explosion risk), \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLongevity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (2000+ cycles vs. 250–500 for typical Li-ion), and \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh Discharge Capability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (lower internal resistance for cleaner high-current delivery). The trade-offs are lower nominal voltage (3.2V vs. 3.7V) and lower energy density (less capacity for the same size).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Why is the capacity only 3000mAh? That seems low for a 26650.\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: The D30 prioritizes \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ecurrent delivery and safety\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e over maximum capacity. The 3000mAh capacity, combined with the 3.2V voltage, provides approximately 9.6Wh of energy. This cell is designed for applications that need extreme current bursts (50A+) where standard high-capacity cells would fail or overheat. For maximum runtime at lower currents, consider a high-capacity 26650 like the Vapcell K62 (6200mAh\/15A) instead.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: Can I build a 12V jump starter with this 2-pack?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: A 12V jump starter requires a 4S configuration (4 cells in series = 12.8V nominal). This 2-pack provides two cells; you would need two additional D30 cells (4 total) to build a proper 12V jump starter pack. Always use matched cells, a properly rated LiFePO4 BMS, and heavy-gauge nickel strips or bus bars for the high currents involved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ: How should I store these cells when not in use?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: Store at approximately 3.2–3.3V (50–70% charge for LiFePO4) in a cool, dry place. Use non-conductive battery cases to prevent accidental short circuits. LiFePO4 cells have an exceptionally low self-discharge rate, making them ideal for emergency equipment that sits idle for long periods.\u003c\/span\u003e\u003c\/p\u003e","brand":"Vapcell","offers":[{"title":"Default Title","offer_id":51454198710518,"sku":"OAS951","price":17.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/vapcell-d30-2pack-package_a1c615c1-0fa8-4303-a456-6d7d09581584.webp?v=1786967446","url":"https:\/\/oneandes.com\/products\/2-pack-vapcell-ifr26650-d30-3000mah-3-2v-lifepo4-50a-ultra-high-drain-flat-top-rechargeable-battery","provider":"OneAndes","version":"1.0","type":"link"}