{"product_id":"fullsend-6s-4000mah-li-ion-battery","title":"Fullsend 6S 4000mAh Li-Ion Battery","description":"\u003cp\u003eThe \u003cstrong\u003eiFlight FULLSEND 4000mAh 6S1P Li-Ion Battery\u003c\/strong\u003e is built for pilots who value extended airtime, smooth cruising, and efficient performance. Designed around \u003cstrong\u003eEVE INR21700-40PL\u003c\/strong\u003e cells, it is a solid choice for long-range quads like the \u003cstrong\u003eChimera7, Nazgul Evoque F6 or F5, BOB57, BOB46, CineLR7, CineFlow5 and other endurance-focused builds\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis pack strikes a balance between lightweight construction and dependable power delivery, making it ideal for \u003cstrong\u003e5\" to 7\" long-range platforms\u003c\/strong\u003e.\u003cbr\u003e⚠️ Note: This battery is \u003cstrong\u003enot intended for aggressive freestyle or racing\u003c\/strong\u003e. For high-throttle performance, a LiPo pack is recommended.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHighlights\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Flight Times:\u003c\/strong\u003e 4000mAh capacity for smooth endurance flights\u003cbr\u003e\u003cstrong\u003e6S1P Configuration:\u003c\/strong\u003e Compact, travel-friendly format\u003cbr\u003e\u003cstrong\u003ePremium Cells:\u003c\/strong\u003e EVE INR21700-40PL – optimized for long-range use\u003cbr\u003e\u003cstrong\u003eLightweight Build:\u003c\/strong\u003e Only 430g – perfect for efficiency-focused rigs\u003cbr\u003e\u003cstrong\u003eSafe \u0026amp; Reliable:\u003c\/strong\u003e XT60H main connector + JST-XH balance plug\u003cbr\u003e\u003cstrong\u003eEstimated Flight Time:\u003c\/strong\u003e In typical long-range setups (e.g., 6 to 7 inch quads), this pack can provide around 15 minutes or more of flight time during efficient cruising. Actual flight duration may vary depending on wind, altitude, flight speed, payload (such as an action camera), as well as the condition of your propellers and motors.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCell: EVE INR21700-40PL\u003c\/strong\u003e\u003cbr\u003eNominal Voltage: 3.6V\u003cbr\u003eNominal Capacity: 4000mAh\u003cbr\u003eMax Charge Voltage: 4.2V per cell\u003cbr\u003eCut-off Voltage: 2.5V per cell (2.9–3.1V recommended end-flight)\u003cbr\u003eContinuous Discharge (per cell): 30–35A\u003cbr\u003ePulse Discharge (per cell, short \u0026lt;10s): ~40A\u003cbr\u003eOperating Temp (Discharge): –20°C to +75°C\u003cbr\u003eOperating Temp (Charge): 0°C to +50°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePack Overview\u003c\/strong\u003e\u003cbr\u003eConfiguration: 6S1P (22.2V nominal)\u003cbr\u003eCapacity: 4000mAh \/ 88.8Wh\u003cbr\u003ePractical Continuous Current: ~20–25A (safe for long-range cruising)\u003cbr\u003eBurst Current (\u0026lt;10s): ~35–40A\u003cbr\u003eDimensions: 43 × 64 × 77mm\u003cbr\u003eWeight: 430g\u003cbr\u003eConnector: XT60H (130mm discharge lead) + JST-XH balance lead (45mm)\u003cbr\u003eOptimal Ambient Operating Range: 15°C to 35°C for performance \u0026amp; longevity\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e1× iFlight FULLSEND 4000mAh 6S1P Li-Ion Battery – XT60H\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCharging Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAlways use a \u003cstrong\u003eLi-Ion compatible balance charger\u003c\/strong\u003e — never attempt to charge with a non-compatible charger.\u003cbr\u003eCharge at \u003cstrong\u003e1C or lower\u003c\/strong\u003e (≤4A for this 4000mAh pack) for optimal safety and cycle life.\u003cbr\u003eDo not exceed \u003cstrong\u003e2C charge rate\u003c\/strong\u003e under any circumstance.\u003cbr\u003eNever charge unattended or near flammable materials.\u003cbr\u003eDo not charge below \u003cstrong\u003e0°C\u003c\/strong\u003e or above \u003cstrong\u003e50°C\u003c\/strong\u003e. Charging outside of this range may cause lithium plating, overheating, or permanent cell damage.\u003cbr\u003eStop charging immediately if the battery becomes hot, swollen, or shows abnormal behavior.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eStorage Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Voltage:\u003c\/strong\u003e Keep at 3.7–3.85V per cell (≈40–60% charge). Do not store fully charged or fully discharged.\u003cbr\u003e\u003cstrong\u003eAvoid Drain:\u003c\/strong\u003e Never leave connected to a charger, quad, or device that could slowly discharge it.\u003cbr\u003e\u003cstrong\u003eTemperature Control:\u003c\/strong\u003e Store in a cool, dry place between 15°C and 25°C. Avoid high heat, direct sunlight, and freezing conditions.\u003cbr\u003e\u003cstrong\u003eFire Safety:\u003c\/strong\u003e Always store batteries in a \u003cstrong\u003efireproof bag, battery storage bag, or fireproof container\u003c\/strong\u003e. We offer a range of approved \u003cstrong\u003eLiPo-safe storage solutions\u003c\/strong\u003e in our shop.\u003cbr\u003e\u003cstrong\u003eInspection:\u003c\/strong\u003e Check periodically during long storage. If swelling, leakage, or abnormal odor is detected, stop using immediately and dispose of safely.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDisclaimer and Safety Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Reminder:\u003c\/strong\u003e Always supervise the charging process and keep the battery away from flammable materials. Improper charging, over-charging, or over-discharging can cause overheating, fire, or explosion. Short-circuiting, puncturing, disassembling, or exposing the battery to heat sources or fire may also result in serious injury or damage. Only use compatible chargers designed for Li-Ion batteries. Regularly inspect the battery for damage, swelling, or irregular behavior, and discontinue use immediately if any abnormalities are observed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e By purchasing and using this product, the user agrees to operate it in accordance with all provided safety instructions. The manufacturer and seller assume no responsibility for damage, injury, or loss caused by improper charging, discharging, storage, handling, or use of this battery. The user accepts full responsibility for all risks associated with its use.\u003c\/p\u003e","brand":"iFlight","offers":[{"title":"Default Title","offer_id":44043325178121,"sku":"F017833","price":66.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/0527\/9753\/files\/fullsend-6s-4000mah-li-ion-battery-271555.png?v=1731351044","url":"https:\/\/iflighteurope.com\/products\/fullsend-6s-4000mah-li-ion-battery","provider":"iFlight Europe","version":"1.0","type":"link"}