5B10W51871 - Lenovo Laptop Battery - Genuine

This Lenovo Laptop Battery (5B10W51871) is a genuine part from Lenovo, designed specifically for Lenovo laptops. This rechargeable battery features a Lithium-ion construction, known in shorthand as Li-ion, and offers a capacity of 86Wh with a 4-cell structure. Also known as an "internal battery," it ensures your laptop stays powered for longer periods, providing reliability when you need it the most.

Specifically, this battery undergoes rigorous testing to meet Lenovo's high quality and compatibility standards, ensuring a perfect fit for your device. If you've noticed your laptop's battery life diminishing quicker than it used to, struggling to hold a charge, or your laptop unexpectedly shutting down, it might be time to consider replacing the battery. Such symptoms indicate the battery's performance is no longer optimal, and a new battery can help restore your laptop's endurance.

Before making a purchase, kindly verify your device's model number for compatibility. This step ensures you get the right part to avoid any potential mismatch issues.

iFixit is an official Lenovo partner. Our Genuine Lenovo parts are supplied by the official Lenovo supply chain.