The Lenovo 5B10T36866 is an internal Li-Polymer battery for compatible Lenovo Chromebook laptops. Its three-cell design provides the notebook’s internal power source and identifies the battery type for replacement.
With a stated capacity of 42 Wh and output voltage of 11.25 V, this is a specific battery variant to match when replacing a battery.
Compatibility is listed for Lenovo Chromebook 100e 2nd Gen MTK (81QB) and Chromebook 300e 2nd Gen MTK (81QC), so use these model details to check fit for your laptop.