{"product_id":"b31n1726-battery-for-asus-tuf-fx504-fx505-fa506-reliable-48wh","title":"B31N1726 Battery for Asus TUF FX504 FX505 FA506 - Reliable 48Wh","description":"\u003cp\u003eIn this review the reviewer examines the B31N1726 replacement battery designed for a range of Asus TUF and ROG-style notebooks. The bottom line: this is a practical, no-frills replacement battery for users whose original pack has degraded and who need a direct, compatible swap; its main selling point is reliable capacity and broad compatibility across many Asus FX and FA series laptops. The review focuses on fit, runtime, build quality and after-sale support to help a buyer decide if this 48Wh Li-ion pack meets their needs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect compatibility:\u003c\/strong\u003e The pack is built to match the Asus B31N1726 form factor so it installs as a drop-in replacement for many FX504, FX505 and FA506 series laptops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e48Wh capacity:\u003c\/strong\u003e A 48Wh 4240mAh rating provides a predictable runtime of roughly 60 minutes under heavier loads, useful for short work sessions or emergency use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality construction:\u003c\/strong\u003e Brand new Li-ion cells with updated circuit boards and a smart chip give stable current output and help protect against overcharge and overdischarge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety certifications:\u003c\/strong\u003e The battery meets UL, CE, FCC and RoHS style safety expectations to reduce the risk of overheating and ensure compliant materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter-sale support:\u003c\/strong\u003e A 30-day return policy plus a 12-month warranty and 24\/7 email support provide reassurance if there are fitment or performance issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis pack suits owners of supported Asus TUF or FX series laptops who need a like-for-like replacement for a failing internal battery and who prioritise correct fit and factory-style safety protections. It is helpful for students, gamers or field technicians who require a quick swap to restore basic mobility rather than extend long all-day battery life.\u003c\/p\u003e\n\u003cp\u003eUsers who demand extended multi-hour unplugged use or want the absolute maximum runtime should look for higher-capacity or manufacturer-specified high-end options. Also, anyone uncertain about model fit should verify the listed compatible series and replace part numbers before ordering.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with many Asus FX504, FX505, FA506 and FA706 series models for straightforward replacement.\u003c\/li\u003e\n\u003cli\u003eStable 11.4V output and 48Wh capacity provide predictable short-term runtime for work or casual gaming.\u003c\/li\u003e\n\u003cli\u003eNew cells, smart circuitry and multiple safety certifications give confidence in day-to-day safety and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRuntime is limited to roughly 60 minutes under heavy use, so it is not a long-life upgrade for power users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery model\u003c\/td\u003e\n\u003ctd\u003eB31N1726 compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery type\u003c\/td\u003e\n\u003ctd\u003eLi-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e11.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e48Wh \/ 4240mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle life\u003c\/td\u003e\n\u003ctd\u003eAbout 500 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRuntime (approx.)\u003c\/td\u003e\n\u003ctd\u003e60 minutes per charge under heavier load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e30-day return, 12-month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe B31N1726 replacement battery is a sensible, cost-effective choice for owners of compatible Asus FX and FA series laptops who need to restore original runtime and fit. It is not a high-capacity upgrade, but its correct form factor, smart protection circuitry and safety certifications make it good value for users who want a trustworthy swap and a backed warranty.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this battery fit my FX505 or FX504 laptop?\u003c\/strong\u003e\u003cbr\u003eIt is designed to be compatible with many FX504 and FX505 variants and related FA series models; confirm the original part number or shape matches B31N1726 before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will the battery last per charge?\u003c\/strong\u003e\u003cbr\u003eThe rated capacity is 48Wh (4240mAh) and typical runtime under heavier use is about 60 minutes; real-world time will vary with workload and power settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty and support are included?\u003c\/strong\u003e\u003cbr\u003eThe product includes a 30-day return window and a 12-month warranty, plus 24\/7 email support through the store order system.\u003c\/p\u003e","brand":"OUWEE","offers":[{"title":"Default Title","offer_id":48247112892635,"sku":"B083JT4M1H","price":35.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71SDLh9-EuL._AC_SL1500.jpg?v=1771089103","url":"https:\/\/gearmusthave.com\/products\/b31n1726-battery-for-asus-tuf-fx504-fx505-fa506-reliable-48wh","provider":"GearMustHave","version":"1.0","type":"link"}