Everything You Need to Know About the 18650 Battery
C&P Li Ion 2500mAh 10pieces 18650 INR18650 25R High Tool Power Battery Cell Max Continue Discharge Current 20A 3.6V 2.5Ah 10C|Replacement Batteries| - AliExpress
18650 Cell Datasheet pdf - Li-Ion Cell. Equivalent, Catalog
China 18650 3.7V 2600mAh 3c Lithium Ion Battery for Electronics (2021) - China Lithium Battery, 2600mAh 3c