batteries - Lithium coin cell battery showing randomness in voltage - Electrical Engineering Stack Exchange
BU-409: Charging Lithium-ion - Battery University
Battery Technologies - SparkFun Learn
Does the voltage of a Li-Ion get lower as it discharges? - Quora
Lithium Button Batteries
Symmetry | Free Full-Text | Thermal Abuse Behavior of the LIR2450 Micro Coin Cell Battery Having Capacity of 120 mAh with Internal Short Circuit by Penetrating Element