Lenovo ThinkPad T420 Batteries
Replacement parts for your Lenovo ThinkPad T420 model to fix your broken laptop!
iFixit has you covered with parts, tools, and free repair guides. Repair with confidence! All of our replacement parts are tested to rigorous standards and backed by our industry-leading warranty.
Parts that work with Lenovo ThinkPad T420:
Lenovo 42T4235 Battery
Replace a 5200 mAh battery compatible with Lenovo Model 42T4235 Batteries. 10.8 Volts (V).
The Lenovo ThinkPad T420 laptop features a 14 inch HD 1366x768 pixel or HD+ 1600x900 pixel display, available processors from Intel Core i3 to i7, and Intel HD 3000 or NVIDIA 4200M GPU.
The most common repairs with Lenovo ThinkPad T420 laptops are replacing a damaged display assembly, a worn keyboard, or damaged upper case.