Laptop Battery Cell 11.1V 5000mAh for Thinkpad T400 T61 T500 18650 Laptop Batteries - China Notebook Battery and Batteries for Notebook price | Made-in-China.com
Found a T500 in my "Lithium Battery Donations" box. Good physical shape (needs a deep cleaning). Looks like a SIM slot too? Is this worth restoring for the kids' ChromeOS Flex machine?