{"id":13213,"date":"2026-04-20T03:02:28","date_gmt":"2026-04-19T19:02:28","guid":{"rendered":"https:\/\/www.balderpower.com\/?post_type=product&#038;p=13213"},"modified":"2026-04-20T03:02:32","modified_gmt":"2026-04-19T19:02:32","slug":"asus-zenbook-14-ux433-c31n1811-battery-supplier","status":"publish","type":"product","link":"https:\/\/www.balderpower.com\/ar\/asus-zenbook-14-ux433-c31n1811-battery-supplier\/","title":{"rendered":"ASUS C31N1811 Replacement Laptop Battery | 11.55V 50Wh 3-Cell for ZenBook 14 UX433FA UX433FN UX433FL BX433FN U4300 Deluxe 14 Series"},"content":{"rendered":"<p data-start=\"3199\" data-end=\"3375\">The C31N1811 is the primary battery for ASUS&#8217;s ZenBook 14 UX433 series \u2014 and understanding exactly what &#8220;primary&#8221; means here matters for wholesale procurement on this platform.<\/p>\n<p data-start=\"3377\" data-end=\"3846\">The ZenBook 14 UX433 launched in 2019 with two distinct battery configurations. The C31N1811 (11.55V \/ 50Wh \/ 3-cell) covers the integrated-graphics and MX150 configurations sold under the UX433FA and UX433FN designations \u2014 the mainstream volume of the entire UX433 lineup. The second platform, C41N1828 (15.44V \/ 60Wh \/ 4-cell), covers the ROG Zephyrus S GX531 series \u2014 a completely different machine. The two batteries are not interchangeable under any circumstances.<\/p>\n<p data-start=\"3848\" data-end=\"4200\">For repair shops and distributors: when a UX433 work order arrives, verify the spare part number on the original battery. <strong data-start=\"3970\" data-end=\"3988\">0B200-03080000<\/strong> = C31N1811, this page. <strong data-start=\"4012\" data-end=\"4030\">0B200-03020200<\/strong> = C41N1828, ROG Zephyrus platform. There is no overlap. The ZenBook 14 UX433 uses C31N1811 as its standard battery across the vast majority of production configurations.<\/p>\n<p data-start=\"4202\" data-end=\"4249\"><strong data-start=\"4202\" data-end=\"4249\">The UX433 Series \u2014 Why Demand Is Consistent<\/strong><\/p>\n<p data-start=\"4251\" data-end=\"4725\">The UX433 was ASUS&#8217;s best-selling ZenBook 14 configuration in 2019. It hit the sweet spot between price and capability: slim NanoEdge display, Intel Core i5\/i7, optional MX150\/MX250 discrete GPU, under 1.2kg. It sold in volume across North America, Europe, and Asia. That installed base is now 5\u20136 years old \u2014 exactly the window where Li-ion polymer batteries have degraded to 60\u201370% of original capacity and users decide to replace rather than tolerate the reduced runtime.<\/p>\n<p data-start=\"4727\" data-end=\"5107\">The C31N1811 sits at 50Wh \u2014 8Wh more than the 42Wh VivoBook batteries in the same ASUS catalog. On the UX433&#8217;s relatively efficient Intel platform, that 50Wh delivers 8\u201310 hours of mixed productivity use when new. End users replacing a degraded original battery notice the improvement immediately, which translates to positive repair outcomes and repeat business for repair shops.<\/p>\n<p data-start=\"5109\" data-end=\"5164\"><strong data-start=\"5109\" data-end=\"5164\">The C31N1811 Naming Variants \u2014 Full Cross-Reference<\/strong><\/p>\n<p data-start=\"5166\" data-end=\"5248\">Three alternate model designations appear across market listings for this battery:<\/p>\n<ul data-start=\"5249\" data-end=\"5402\">\n<li data-start=\"5249\" data-end=\"5299\">\n<p data-start=\"5251\" data-end=\"5299\"><strong data-start=\"5251\" data-end=\"5263\">C31N1811<\/strong> \u2014 primary ASUS internal designation<\/p>\n<\/li>\n<li data-start=\"5300\" data-end=\"5351\">\n<p data-start=\"5302\" data-end=\"5351\"><strong data-start=\"5302\" data-end=\"5313\">C31PnJ5<\/strong> \u2014 alternate production batch labeling<\/p>\n<\/li>\n<li data-start=\"5352\" data-end=\"5402\">\n<p data-start=\"5354\" data-end=\"5402\"><strong data-start=\"5354\" data-end=\"5365\">C31PoJ5<\/strong> \u2014 second alternate batch designation<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5404\" data-end=\"5674\">All three resolve to spare number <strong data-start=\"5438\" data-end=\"5456\">0B200-03080000<\/strong> in ASUS&#8217;s parts system. For procurement documentation, 0B200-03080000 is the canonical reference. The cell code <strong data-start=\"5569\" data-end=\"5584\">3ICP5\/70\/81<\/strong> appears on the physical battery label and serves as the secondary verification reference.<\/p>\n<p data-start=\"5676\" data-end=\"5734\"><strong data-start=\"5676\" data-end=\"5734\">Compatible Models (Verified Against Multiple Sources):<\/strong><\/p>\n<p data-start=\"5736\" data-end=\"6386\"><em data-start=\"5736\" data-end=\"5769\">ASUS ZenBook 14 UX433FA Series:<\/em> UX433FA \u00b7 UX433FA-2B \u00b7 UX433FA-2S \u00b7 UX433FA-3B \u00b7 UX433FA-3S \u00b7 UX433FA-A5046R \u00b7 UX433FA-A5090T \u00b7 UX433FA-A5133T \u00b7 UX433FA-A5941T \u00b7 UX433FA-A6018T \u00b7 UX433FA-A6019R \u00b7 UX433FA-A6024T \u00b7 UX433FA-A6025T \u00b7 UX433FA-A6043T \u00b7 UX433FA-A6061T \u00b7 UX433FA-A6076T \u00b7 UX433FA-A6094R \u00b7 UX433FA-A6094T \u00b7 UX433FA-A6096R \u00b7 UX433FA-A6101T \u00b7 UX433FA-A6102T \u00b7 UX433FA-A6105T \u00b7 UX433FA-A6106T \u00b7 UX433FA-A6111R \u00b7 UX433FA-A6111T \u00b7 UX433FA-A6113T \u00b7 UX433FA-A6116T \u00b7 UX433FA-A6148R \u00b7 UX433FA-A6149T \u00b7 UX433FA-A6150T \u00b7 UX433FA-A6168R \u00b7 UX433FA-A6223T \u00b7 UX433FA-A6342T \u00b7 UX433FA-A6472T \u00b7 UX433FA-A6473T \u00b7 UX433FA-A6688T \u00b7 UX433FA-DH74 \u00b7 UX433FA-XH54<\/p>\n<p data-start=\"6388\" data-end=\"7110\"><em data-start=\"6388\" data-end=\"6421\">ASUS ZenBook 14 UX433FN Series:<\/em> UX433FN \u00b7 UX433FN-2B \u00b7 UX433FN-2S \u00b7 UX433FN-3B \u00b7 UX433FN-3S \u00b7 UX433FN-0032B8565U \u00b7 UX433FN-0072B8565U \u00b7 UX433FN-0082B8265U \u00b7 UX433FN-0092S8265U \u00b7 UX433FN-0112S8565U \u00b7 UX433FN-0152B8565U \u00b7 UX433FN-0162B8265U \u00b7 UX433FN-0172S8265U \u00b7 UX433FN-0232S8565U \u00b7 UX433FN-A5021R \u00b7 UX433FN-A5021T \u00b7 UX433FN-A5037T \u00b7 UX433FN-A5079T \u00b7 UX433FN-A5080T \u00b7 UX433FN-A5084T \u00b7 UX433FN-A5085T \u00b7 UX433FN-A5104R \u00b7 UX433FN-A6023T \u00b7 UX433FN-A6024T \u00b7 UX433FN-A6032T \u00b7 UX433FN-A6039T \u00b7 UX433FN-A6052T \u00b7 UX433FN-A6090T \u00b7 UX433FN-A6096T \u00b7 UX433FN-A6106T \u00b7 UX433FN-A6108T \u00b7 UX433FN-A6123T \u00b7 UX433FN-A6125T \u00b7 UX433FN-A6145T \u00b7 UX433FN-A6157T \u00b7 UX433FN-A6532T \u00b7 UX433FN-BP8201T \u00b7 UX433FN-BP8505T \u00b7 UX433FN-IH74 \u00b7 UX433FN-XB74<\/p>\n<p data-start=\"7112\" data-end=\"7166\"><em data-start=\"7112\" data-end=\"7148\">ASUS ZenBook 14 UX433FL \/ UX433FQ:<\/em> UX433FL \u00b7 UX433FQ<\/p>\n<p data-start=\"7168\" data-end=\"7228\"><em data-start=\"7168\" data-end=\"7200\">ASUS ZenBook 14 BX433 \/ RX433:<\/em> BX433FN \u00b7 RX433FA \u00b7 RX433FN<\/p>\n<p data-start=\"7230\" data-end=\"7329\"><em data-start=\"7230\" data-end=\"7270\">ASUS ZenBook 14 Deluxe \/ U4300 Series:<\/em> Deluxe 13 \u00b7 Deluxe 14 \u00b7 U4300 \u00b7 U4300F \u00b7 U4300FA \u00b7 U4300FN<\/p>\n<p data-start=\"7331\" data-end=\"7435\"><strong data-start=\"7331\" data-end=\"7359\">\u0623\u0631\u0642\u0627\u0645 \u0627\u0644\u0642\u0637\u0639 \u0627\u0644\u0645\u062a\u0648\u0627\u0641\u0642\u0629:<\/strong><br \/>\nC31N1811 \u00b7 C31PnJ5 \u00b7 C31PoJ5 \u00b7 0B200-03080000 \u00b7 0B20003080000 \u00b7 3ICP5\/70\/81<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"2480\" data-end=\"2664\">\n<p data-start=\"2482\" data-end=\"2664\">\ud83d\udd0b <strong data-start=\"2485\" data-end=\"2540\">ASUS C31N1811 \/ C31PnJ5 \/ C31PoJ5 exact replacement<\/strong> \u2014 covers ZenBook 14 UX433FA, UX433FN, UX433FL, UX433FQ, BX433FN, RX433FN, U4300\/U4300F\/U4300FA\/U4300FN, Deluxe 13\/14 series<\/p>\n<\/li>\n<li data-start=\"2665\" data-end=\"2803\">\n<p data-start=\"2667\" data-end=\"2803\">\u26a1 <strong data-start=\"2669\" data-end=\"2697\">11.55V \/ 50Wh \/ 4,335mAh<\/strong>, 3-cell Li-ion polymer slim internal \u2014 verified against ASUS spare 0B200-03080000 \/ cell code 3ICP5\/70\/81<\/p>\n<\/li>\n<li data-start=\"2804\" data-end=\"2980\">\n<p data-start=\"2806\" data-end=\"2980\">\u26a0\ufe0f <strong data-start=\"2809\" data-end=\"2855\">ZenBook 14 UX433 has two battery platforms<\/strong> \u2014 C31N1811 (11.55V\/50Wh, this page) and C41N1828 (15.44V\/60Wh, ROG Zephyrus S); verify original spare number before ordering<\/p>\n<\/li>\n<li data-start=\"2981\" data-end=\"3098\">\n<p data-start=\"2983\" data-end=\"3098\">\ud83c\udfed <strong data-start=\"2986\" data-end=\"3014\">Factory-direct wholesale<\/strong> \u2014 standing finished-goods inventory, tiered bulk pricing, 3\u20135 business day dispatch<\/p>\n<\/li>\n<li data-start=\"3099\" data-end=\"3172\">\n<p data-start=\"3101\" data-end=\"3172\">\ud83d\udccb <strong data-start=\"3104\" data-end=\"3138\">CoC and cell lot documentation<\/strong> included with every bulk shipment<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":13214,"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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