![Amazon.com: New GHU Battery 9-Cell 98 WH 57++ Replacement for 0C52864 0C52863 45N1152 45N1153 45N1162 45N1163 45N1145 45N1147 45N1149 Compatible with Lenovo Thinkpad W540 W541 T450p T540p T440p L440 L540 : Electronics Amazon.com: New GHU Battery 9-Cell 98 WH 57++ Replacement for 0C52864 0C52863 45N1152 45N1153 45N1162 45N1163 45N1145 45N1147 45N1149 Compatible with Lenovo Thinkpad W540 W541 T450p T540p T440p L440 L540 : Electronics](https://m.media-amazon.com/images/I/81dpCMk9rSL._AC_SX679_.jpg)
Amazon.com: New GHU Battery 9-Cell 98 WH 57++ Replacement for 0C52864 0C52863 45N1152 45N1153 45N1162 45N1163 45N1145 45N1147 45N1149 Compatible with Lenovo Thinkpad W540 W541 T450p T540p T440p L440 L540 : Electronics
![I wrote a thing: An extensive guide to optimizing a Linux laptop for battery life and performance : r/thinkpad I wrote a thing: An extensive guide to optimizing a Linux laptop for battery life and performance : r/thinkpad](https://external-preview.redd.it/FxecaoXTgPMHFDVVl1ifiPvlG-Bwhxe21a8xJt5NAiw.jpg?width=640&crop=smart&auto=webp&s=ad491ab72bdf4d13f1e2badcac06fa155d020836)
I wrote a thing: An extensive guide to optimizing a Linux laptop for battery life and performance : r/thinkpad
![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://i.redd.it/4nd7fkgd1y321.jpg)
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
![I wanted (and was on a search) for a cheap, lightweight laptop that gets great battery life. The X240 fits the bill!: thinkpad I wanted (and was on a search) for a cheap, lightweight laptop that gets great battery life. The X240 fits the bill!: thinkpad](https://i.redd.it/znsiy4yt7wh31.jpg)
I wanted (and was on a search) for a cheap, lightweight laptop that gets great battery life. The X240 fits the bill!: thinkpad
![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/jds7cnsh9c681.jpg?width=4032&format=pjpg&auto=webp&s=2a24ebdb8b19990a23e4264b0c06f20353249df7)
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 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/b5inh8ovkc771.png?width=1920&format=png&auto=webp&s=6420ebc0fd871ca1ebe67d3a5ab534ebd2468f52)
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 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/okseozs2fk831.jpg?auto=webp&s=3bf89c7d6d3ae2de167334af9d4f963f99d4764a)
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 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)