2pcs [W039] 3.82V 342mAh / 1.31Wh [A1875] Li ion polymer battery for I WATCH 4 (42) SMART WATCH 1ICP5/20/29|li-ion battery|battery for power bankbattery for - AliExpress
China Replacement Li-Polymer Battery for HP Bl06XL 11.1V 42wh Laptop Battery Photos & Pictures - Made-in-china.com
BTI - Notebook battery (equivalent to: ASUS B31N1637) - lithium polymer - 3-cell - 3654 mAh - 42 Wh - Walmart.com