【24-month warranty】Products can be returned or replaced with a new one if our battery has a quality problem within 2 years. Please try to contact us in the "Your Order" options and click "Contact Seller" if you have a problem with the replacement battery, our professional customer service will respond in 24 hours.
【True Charging Capacity That Lasts】B31N1911 battery for laptop/notebook, laptop battery specifications ◆Capacity: 42Wh ◆Voltage:11.55V ◆Battery Type: Li-ion, ◆Condition:100% Brand New, ◆Cell: Grade "A++" Cell. Each battery will undergo multiple strict test processes before shipping, we strive to bring the highest quality battery to each customer and give your laptop a new lease of life.
【Replacement Battery Part Numbers】Grade A++ cell replacement battery for B31N1911, C31N1911.
【 Perfect Battery Compatibility As Original】Replacement notebook battery perfect fit ✅For ASUS ▶For ASUS VivoBook Flip TP470EA TP470EZ Series ✅For ASUS VivoBook Flip 14 TM420IA ✅For ASUS VivoBook 14 M413D M413DA-EK162T M413DA-EK007T Series ✅For ASUS Notebook X421DA X421EA X421EP X421FF X421FQ X421JA Series. [Please check your device model before purchasing]
【 Safety & Security】Our batteries are CE-/FCC-/RoHS certified for safety. With an intelligent control chip, and durable A-grade battery to ensure maximum service life and power, save points, and more. Laptop batteries have a variety of safety protection functions of over-charge, over-discharge, over-voltage, over-current, and over-heating, which make charging safer.