The Asus B21N1329 Laptop Battery is a high-performance lithium-ion battery designed to power select Asus laptops, particularly those in the ZenBook and VivoBook series. With an impressive capacity of 4230mAh and a voltage of 11.4V, this battery ensures reliable and long-lasting power, making it an essential accessory for anyone who values performance and portability.

Offering a watt-hour rating of 48Wh, the B21N1329 battery provides up to 5-7 hours of usage on a single charge, depending on your laptop settings and usage patterns. This means you can enjoy extended productivity whether you’re at home, in the office, or on the go. The battery charges efficiently within 2-3 hours using the original Asus charger, minimizing downtime and keeping you connected when it matters most.

Designed with a 4-cell configuration, this battery strikes the perfect balance between power and weight, weighing approximately 230g and measuring around 266 x 90 x 20 mm. Its 4-pin connector ensures a secure fit within your laptop, allowing for seamless integration and easy installation.

Safety is paramount, and the B21N1329 comes equipped with built-in protection circuits that guard against over-voltage and overheating, enhancing the battery’s longevity and reliability. Constructed from eco-friendly materials, this replacement battery aligns with sustainable practices, reflecting Asus’s commitment to environmental responsibility.

Backed by a 1-year limited warranty, the Asus B21N1329 Laptop Battery is a dependable choice for users seeking a robust power solution. Experience uninterrupted performance and productivity with this essential battery, designed to keep your Asus laptop running smoothly and efficiently throughout your day.