Rechargeable Lithium Button Cell Battery:LIR2016,LIR2025, LIR2032, LIR2430,LIR2450, LIR2477 widely used in Handcharge electric Rechargeable Lithium Button Cell Battery- ... LIR2016,LIR2025, LIR2032, LIR2430,LIR2450, LIR2477LIR2025 Nominal voltage: 3.6V ...