{"id":13138,"date":"2026-04-19T23:49:14","date_gmt":"2026-04-19T15:49:14","guid":{"rendered":"https:\/\/www.balderpower.com\/?post_type=product&#038;p=13138"},"modified":"2026-04-19T23:49:18","modified_gmt":"2026-04-19T15:49:18","slug":"asus-e410ma-l410ma-vivobook-b31n1912-battery","status":"publish","type":"product","link":"https:\/\/www.balderpower.com\/pt_br\/asus-e410ma-l410ma-vivobook-b31n1912-battery\/","title":{"rendered":"ASUS B31N1912 Replacement Laptop Battery | 11.55V 42Wh 3-Cell for VivoBook 14 E410MA E410KA L410MA L510MA E510MA Series"},"content":{"rendered":"<p data-start=\"3012\" data-end=\"3564\">he B31N1912 holds a specific commercial position that no other ASUS battery in this catalog shares: it is the consistently top-selling ASUS laptop battery on Amazon globally, driven by the extraordinary volume of VivoBook 14 E410MA and E410KA units sold between 2020 and 2023. These machines were the default entry-level laptop recommendation across nearly every market \u2014 school programs, first-computer purchases, budget remote work setups. Tens of millions of units shipped. The battery replacement cycle on that installed base is now in full swing.<\/p>\n<p data-start=\"3566\" data-end=\"3935\">For wholesale buyers, that market context translates into one operational priority: supply consistency. The B31N1912 is not a battery you source opportunistically. It is a battery you set up a standing supply relationship for, because demand does not spike and trough \u2014 it runs at a steady, high baseline that repair shops and resellers need to fulfill week after week.<\/p>\n<p data-start=\"3937\" data-end=\"4006\"><strong data-start=\"3937\" data-end=\"4006\">The E410 vs L410 vs E510 vs L510 \u2014 One Battery, Four Series Names<\/strong><\/p>\n<p data-start=\"4008\" data-end=\"4121\">ASUS sells the same chassis under four series designations depending on distribution channel and regional market:<\/p>\n<ul data-start=\"4123\" data-end=\"4366\">\n<li data-start=\"4123\" data-end=\"4176\">\n<p data-start=\"4125\" data-end=\"4176\"><strong data-start=\"4125\" data-end=\"4133\">E410<\/strong> \u2014 standard consumer retail naming (global)<\/p>\n<\/li>\n<li data-start=\"4177\" data-end=\"4251\">\n<p data-start=\"4179\" data-end=\"4251\"><strong data-start=\"4179\" data-end=\"4187\">L410<\/strong> \u2014 education\/commercial channel naming (primarily US, some APAC)<\/p>\n<\/li>\n<li data-start=\"4252\" data-end=\"4308\">\n<p data-start=\"4254\" data-end=\"4308\"><strong data-start=\"4254\" data-end=\"4262\">E510<\/strong> \u2014 15-inch screen variant of the same platform<\/p>\n<\/li>\n<li data-start=\"4309\" data-end=\"4366\">\n<p data-start=\"4311\" data-end=\"4366\"><strong data-start=\"4311\" data-end=\"4319\">L510<\/strong> \u2014 15-inch education\/commercial channel variant<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4368\" data-end=\"4684\">All four use B31N1912. The hardware is identical \u2014 same motherboard, same battery bay, same connector. The series letter simply reflects which distribution channel the machine was sold through. For repair shops receiving work orders with any of these model prefixes, B31N1912 is the correct battery across the board.<\/p>\n<p data-start=\"4686\" data-end=\"4752\"><strong data-start=\"4686\" data-end=\"4752\">Celeron N-Series Platform \u2014 What It Means for Battery Behavior<\/strong><\/p>\n<p data-start=\"4754\" data-end=\"5503\">The E410MA runs Intel Celeron N4020 or N4500, and the E410KA runs Celeron N4500 or N5100. These are ultra-low-power processors with a 6W TDP \u2014 fundamentally different power architecture from the Core i-series machines that dominate the rest of this catalog. The practical implication: the B31N1912 is not under the same peak load stress as a battery in a Core i7 or Ryzen 7 machine. Under normal use, these batteries last longer per cycle and degrade more slowly than higher-TDP platform batteries. For end users, this means realistic 8\u201310 hour runtime on a new replacement. For repair shops advising customers: the battery is rarely the cause of slow performance complaints on these machines \u2014 the processor is the bottleneck, not the power supply.<\/p>\n<p data-start=\"5505\" data-end=\"5573\"><strong data-start=\"5505\" data-end=\"5573\">Compatible Models (Verified Against ASUS Service Documentation):<\/strong><\/p>\n<p data-start=\"5575\" data-end=\"5760\"><em data-start=\"5575\" data-end=\"5606\">ASUS VivoBook 14 E410 Series:<\/em> E410MA \u00b7 E410MA-BV1500WS \u00b7 E410MA-BV314WS \u00b7 E410MA-EK026TS \u00b7 E410MA-EK295TS \u00b7 E410MA-EK1169TS \u00b7 E410KA \u00b7 E410KA-BV073WS \u00b7 E410KA-EK283WS \u00b7 E410KA-BV206WS<\/p>\n<p data-start=\"5762\" data-end=\"5865\"><em data-start=\"5762\" data-end=\"5793\">ASUS VivoBook 14 L410 Series:<\/em> L410MA \u00b7 L410MA-WS21 \u00b7 L410MA-DB21 \u00b7 L410MA-XS21 \u00b7 L410KA \u00b7 L410KA-DB21<\/p>\n<p data-start=\"5867\" data-end=\"5982\"><em data-start=\"5867\" data-end=\"5898\">ASUS VivoBook 15 E510 Series:<\/em> E510MA \u00b7 E510MA-BR198WS \u00b7 E510MA-BR268WS \u00b7 E510KA \u00b7 E510KA-BR210WS \u00b7 E510KA-BR282WS<\/p>\n<p data-start=\"5984\" data-end=\"6087\"><em data-start=\"5984\" data-end=\"6015\">ASUS VivoBook 15 L510 Series:<\/em> L510MA \u00b7 L510MA-WS21 \u00b7 L510MA-DB21 \u00b7 L510MA-RS21 \u00b7 L510KA \u00b7 L510KA-DB21<\/p>\n<p data-start=\"6089\" data-end=\"6178\"><strong data-start=\"6089\" data-end=\"6117\">N\u00fameros de pe\u00e7a compat\u00edveis:<\/strong><br \/>\nB31N1912 \u00b7 B31BjE1 \u00b7 0B200-03800000 \u00b7 3ICP5\/70\/81 \u00b7 C31N1912<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"2250\" data-end=\"2459\">\n<p data-start=\"2252\" data-end=\"2459\">\ud83d\udd0b <strong data-start=\"2255\" data-end=\"2300\">ASUS B31N1912 \/ B31BjE1 exact replacement<\/strong> \u2014 covers VivoBook 14 E410MA, E410KA, L410MA, L410KA and VivoBook 15 E510MA, E510KA, L510MA, L510KA; the highest-volume ASUS consumer battery platform globally<\/p>\n<\/li>\n<li data-start=\"2460\" data-end=\"2603\">\n<p data-start=\"2462\" data-end=\"2603\">\u26a1 <strong data-start=\"2464\" data-end=\"2492\">11.55V \/ 42Wh \/ 3,640mAh<\/strong>, 3-cell Li-ion slim internal \u2014 Celeron N4020\/N4500\/N5100 platform optimized; true-rated capacity, no inflation<\/p>\n<\/li>\n<li data-start=\"2604\" data-end=\"2762\">\n<p data-start=\"2606\" data-end=\"2762\">\ud83d\udce6 <strong data-start=\"2609\" data-end=\"2641\">Volume supply infrastructure<\/strong> \u2014 this is our highest-turnover ASUS SKU; rolling finished-goods stock, consistent same-batch fulfillment on large orders<\/p>\n<\/li>\n<li data-start=\"2763\" data-end=\"2854\">\n<p data-start=\"2765\" data-end=\"2854\">\ud83c\udfed <strong data-start=\"2768\" data-end=\"2796\">Factory-direct wholesale<\/strong> \u2014 tiered bulk pricing, 3\u20135 business day standard dispatch<\/p>\n<\/li>\n<li data-start=\"2855\" data-end=\"2985\">\n<p data-start=\"2857\" data-end=\"2985\">\ud83d\udd0c <strong data-start=\"2860\" data-end=\"2886\">ASUS EC pre-calibrated<\/strong> \u2014 charge percentage and cycle count report accurately on first boot, no driver intervention needed<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":13134,"template":"","meta":{"_acf_changed":false,"nf_dc_page":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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