{"product_id":"zthy-b31n1912-laptop-battery-replacement-for-asus-vivobook-reliable","title":"ZTHY B31N1912 Laptop Battery Replacement for ASUS VivoBook - Reliable","description":"\u003cp\u003eIn this review the ZTHY B31N1912 replacement battery is assessed for users of various ASUS VivoBook 14 and 15 notebooks who need a straightforward battery swap to restore runtime. The bottom line: it suits owners who want a like-for-like replacement with a genuine-grade Li-ion cell, sensible capacity and manufacturer safety certifications. The single biggest reason to buy is compatibility and safe operation across many E410, L410, E510 and F414 series models, making it an easy choice for laptop owners who prefer a direct, manufacturer-style replacement rather than a low-cost unknown pack.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e The 42Wh (3550mAh) capacity gives a practical balance of runtime and weight for everyday web, document and light media use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e At 11.55V the battery matches original equipment requirements for compatible VivoBook models so it installs without voltage mismatch concerns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell quality:\u003c\/strong\u003e Grade A Li-ion cells are used to provide consistent discharge and charge behavior and support up to 500 recharge cycles over the battery life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e The pack replaces part numbers B31N1912 and C31N1912 and fits a long list of ASUS VivoBook E410MA, L410MA, F414MA, E510MA and R522MA machines for a drop-in replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety certifications:\u003c\/strong\u003e CE and UL certifications indicate the product meets common safety and environmental guidelines for consumer laptop batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWake-up guidance:\u003c\/strong\u003e The included note on initial installation and cycling helps users get the new battery recognized and conditioned for best performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis replacement is aimed at owners of supported ASUS VivoBook 14 and 15 series laptops who need to replace a worn or failing internal battery with a compatible 11.55V pack. It is a good fit for students, remote workers and home users who want a direct swap that restores everyday runtime without reconfiguring their machine.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for users who need extended high-capacity runtime beyond the listed 42Wh, or those who require hot-swappable external battery solutions; also professional users who demand ultra long endurance should consider higher-capacity aftermarket options instead.\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\u003eDirect compatibility with many ASUS VivoBook models makes installation straightforward for most owners.\u003c\/li\u003e\n\u003cli\u003eGrade A Li-ion cells and up to 500 recharge cycles offer reasonable longevity for general use.\u003c\/li\u003e\n\u003cli\u003eCE and UL certification provide added assurance around safety and environmental compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe 42Wh capacity is modest, so users replacing very old batteries may not see dramatic runtime improvements versus higher-capacity aftermarket packs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\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\u003e11.55V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e42Wh \/ 3550mAh \/ 3-cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Part Numbers\u003c\/td\u003e\n\u003ctd\u003eB31N1912, C31N1912, 0B200-03680200, 0B200-03680000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eAsus VivoBook E410MA, L410MA, F414MA, E510MA, L510MA, R522MA series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecharge Cycles\u003c\/td\u003e\n\u003ctd\u003eUp to 500 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ZTHY B31N1912 is a practical, value-minded replacement for owners of supported ASUS VivoBook models who want reliable, certified performance and straightforward compatibility. It is not designed to extend runtime dramatically beyond original specifications, but it restores dependable battery life with Grade A cells and safe construction, making it a sensible buy for most students and everyday laptop users.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this battery fit my VivoBook?\u003c\/strong\u003e\u003cbr\u003eIt fits the listed E410MA, L410MA, F414MA, E510MA, L510MA and R522MA series models and replaces the given part numbers; check your model code against the list before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I do if the new battery is not recognized?\u003c\/strong\u003e\u003cbr\u003eReinstall to confirm the connector is fully seated, discharge to about 10-20% and then charge and cycle the battery 3-4 times to allow the pack to wake up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the battery safe and durable?\u003c\/strong\u003e\u003cbr\u003eYes, it uses Grade A Li-ion cells, carries CE and UL certification and is rated for up to 500 recharge cycles under normal use.\u003c\/p\u003e","brand":"ZTHY","offers":[{"title":"Default Title","offer_id":48638836867291,"sku":"B0B2JWS932","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71nvMovVv8L.__AC_SX300_SY300_QL70_ML2.jpg?v=1778737403","url":"https:\/\/gearmusthave.com\/products\/zthy-b31n1912-laptop-battery-replacement-for-asus-vivobook-reliable","provider":"GearMustHave","version":"1.0","type":"link"}