FCZFCZ B31N1912 Laptop Battery Replacement For Asus VivoBook - 42Wh, 11.55V, 3-Cell (Fits E410MA, L410MA, E510KA & More)

Is your Asus VivoBook not holding a charge anymore? This FCZFCZ battery is a direct replacement to get you back to cord-free computing. It's the B31N1912 model (also replaces C31N1912, 0B200-03680200, 0B200-03680000), with 42Wh capacity (3640mAh) and 11.55 volts in a 3-cell pack. SUPER IMPORTANT: Before you buy, pop open the little panel on the bottom of your laptop and check the number on your old battery. It needs to match one of those part numbers exactly. This battery fits a ton of Asus VivoBook models from around 2020 onwards, like the E410MA, L410MA, E410KA, E510KA, F414MA, L510MA, R522MA, and E510MA series (check the full list in the description for your exact model code). It's brand new, comes with safety certifications (CE, UL), and has built-in circuit protection. To get the best life out of it, once installed, let it drain down to about 5%, then charge it fully. Do that 3 or 4 times to 'wake up' the battery. Use your original Asus charger with it. Easy DIY swap that saves you a trip to the repair shop and a lot of money.