Genuine battery for Lenovo ThinkPad T420SI

Battery for Lenovo ThinkPad T420SI Battery 44Wh 11.1V

$ 98.89 128.56
Free delivery + 1 year warranty + 30 day money back!
Availability : In stock

Voltage : 11.1V

Capacity : 44Wh

Product Type : Li-ion

Condition : Brand New

laptop battery for Lenovo ThinkPad T420SI

Ac Adapter Charger for Lenovo ThinkPad T420SI

$ 35.56 45.89
Overvoltage and Overcurrent Protection Circuits built in ages your equipment !
Availability : In stock

Description

Lenovo ThinkPad T420SI Battery Specifications
Availability:	In stock
Battery Type:	Li-ion
Capacity:	44Wh
Voltage:	11.1V
Color:	Black
The condition of the product:	New
Guarantee:	12 Months

When the Lenovo ThinkPad T420SI battery bar displays "incompatible battery"

Seeing your Lenovo ThinkPad T420SI battery bar display "not charging" or "incompatible battery" is hard to take in. But there are easy solutions. The issue might stem from the laptop's BIOS, which will require a system upgrade to identify and charge the battery. The current configurations of the system may only suit an Original Equipment Manufacturer (OEM) battery. It can prevent your Lenovo replacement battery from communicating properly with your software. You can find a suitable BIOS upgrade from Lenovo official website. Recharge your ThinkPad T420SI battery after the upgrade for 12 hours and resume regular usage.

When a fully charged Lenovo ThinkPad T420SI battery does not work

There are instances whereby your fully charged battery would not power up your PC. This "False Peak" often happens when a discharged battery for ThinkPad T420SI is used for the first time in several months. The charging indicator reveals a fully charged battery within the initial 10 to 15 minutes of charging, whereas the reverse is the case. When this occurs, plug the battery in for an hour or so. Afterward, unplug the battery and immediately plug it in. Normal charging of the Lenovo ThinkPad T420SI battery will commence and the battery indicator will light up. You may have to do this several times within this period.

Lenovo ThinkPad T420SI Battery charging stops at 95%

Calibrating your Lenovo laptop through the Windows Power Management tool will stop this from happening. Afterward, unplug the laptop's ac adapter and drain the battery. Plug your Lenovo ThinkPad T420SI battery until it is fully charged. You may need to repeat the process until you attain a full charge

When a new ThinkPad T420SI battery gets bad

After purchasing a new replacement battery for ThinkPad T420SI Lenovo laptop, you may still experience some issues with it. After trying several other troubleshooting steps to no avail, your battery is likely bad. Then, it is up to you to return it to where you bought it. Several reasons might have caused the damage. Transporting and packaging are some of the reasons why your replacement battery could go bad. Still, it is important that you purchase your Lenovo ThinkPad T420SI laptop battery from the right source.