Li-Ion: LIR2016, LIR2025, LIR2032. Extra cells can be found here:LIR2016 ,LIR2025 ,LIR2032. x2 LIR2025 Button Cells. x2 LIR2032 Button Cells.
Button Cell Battery Charger (3.7V) - LIR2016 LIR2025 LIR2032 LIR1632
Button Cell Battery Charger (3V) - ML1220 ML2016 ML2025 ML2032 (ML Type)
USB Button Cell Battery Charger for LIR2016, LIR2025, LIR2032, LIR1632
Durable Rechargeable Adapter Button Cell Battery Charger Fast Charging 2 Slot
Watch Button Battery Meter, Capacity Gauge Plastic Button Cell Battery Indicator Button Cell Coin Battery Power Tester for Batteries
Type C Connector Li-ion LIR2032 LIR2025 ML2032 ML2025 CR2032 Button Cell Battery Adapter Lithium Ion Fast Charge Charger