This brand new laptop battery comes with a free 1 Year Warranty. Budget Batteries guarantees that it will work with your Lenovo ThinkPad T420 laptop, will perform as well or better than the original counterpart, and will be free of defects. Budget Batteries has the widest selection of laptop batteries, from hard-to-find replacements for older Lenovo Laptops to the newest Lenovo laptop models. To get the most life out of any Li-Ion battery, do not leave the battery charging overnight; unplug the battery once it reaches a full charge. Overcharging a laptop battery will eventually reduce its capacity and overall life span.

Technical Details

Manufacturer: Empire Scientific
Shipping Info: This item will ship within 24-48 hours, and a tracking number will be emailed to you once it ships.
Dimensions: 8.26''L x 2''D x 0.81''H
Product Weight: 0.67 lbs.
UPC Code: 9322009876
Capacity: 4400mAh
Chemistry: Li-Ion
Voltage: 10.8