![T420 was my choice for writing today! First time I could get into a cafe since COVID shelter in place started. : r/thinkpad T420 was my choice for writing today! First time I could get into a cafe since COVID shelter in place started. : r/thinkpad](https://preview.redd.it/qcttvev72c551.jpg?width=640&crop=smart&auto=webp&s=5d6c48152f7a5085efaee10ba156c3cb95bb50a9)
T420 was my choice for writing today! First time I could get into a cafe since COVID shelter in place started. : r/thinkpad
![Hello i am in the market for a T420 new battery can anyone recommend me a good battery from aliexpress and how long it will last on my t420 , i5 2520m , Hello i am in the market for a T420 new battery can anyone recommend me a good battery from aliexpress and how long it will last on my t420 , i5 2520m ,](https://i.redd.it/after-scouring-the-internet-for-years-for-a-cheap-thinkpad-v0-glrajcf72mja1.png?width=2507&format=png&auto=webp&s=ec84ba885d52c91cb2f02b6b4fd81fb1498eed17)
Hello i am in the market for a T420 new battery can anyone recommend me a good battery from aliexpress and how long it will last on my t420 , i5 2520m ,
![This is my T420 which I've had since I was 8. Obviously, an 8 year old is not gonna take very good care of a laptop, and while this one is in This is my T420 which I've had since I was 8. Obviously, an 8 year old is not gonna take very good care of a laptop, and while this one is in](https://preview.redd.it/oal1fscp5s571.jpg?auto=webp&s=966f44081d2d6096bf33bff8e19bea87cf9e45fb)
This is my T420 which I've had since I was 8. Obviously, an 8 year old is not gonna take very good care of a laptop, and while this one is in
![Upgraded the twins today. T420 got 16gb ram and a sled battery. 9cell + sled = 17hrs battery life. T480 got an extra 16gb of ram, up to 32gb. Happy with the Upgraded the twins today. T420 got 16gb ram and a sled battery. 9cell + sled = 17hrs battery life. T480 got an extra 16gb of ram, up to 32gb. Happy with the](https://preview.redd.it/dddlk9xkv1161.jpg?auto=webp&s=3f04e1d91f8fef276b6131e40d4b468f39a54439)
Upgraded the twins today. T420 got 16gb ram and a sled battery. 9cell + sled = 17hrs battery life. T480 got an extra 16gb of ram, up to 32gb. Happy with the
![T420S battery upgraded with Tesla model 3 21700 cells, also upgraded the wiring that connects the cells to the BMS from 1.5mm to 3mm conductor size (voltage drop went from 0.7V under T420S battery upgraded with Tesla model 3 21700 cells, also upgraded the wiring that connects the cells to the BMS from 1.5mm to 3mm conductor size (voltage drop went from 0.7V under](https://preview.redd.it/8kbdjvw0yn361.jpg?auto=webp&s=c1678b8d498ad5bcc05be730678e70f6e4e29a1d)
T420S battery upgraded with Tesla model 3 21700 cells, also upgraded the wiring that connects the cells to the BMS from 1.5mm to 3mm conductor size (voltage drop went from 0.7V under
![Here's another photo of the battery that exploded in my T14s, in a separate post because I can't edit the original. : r/thinkpad Here's another photo of the battery that exploded in my T14s, in a separate post because I can't edit the original. : r/thinkpad](https://preview.redd.it/heres-another-photo-of-the-battery-that-exploded-in-my-t14s-v0-rjizcsqutx191.jpg?auto=webp&s=c5250cde41c4b60dc233f5347081a65675e7e362)