CR 2320 REN: Renata button cell battery, 3 Volt, 130 mAh, 23.0x2.0 mm at reichelt elektronik
5 x CR2320 DL2320 2320 3V Lithium Button Coin Battery DL2320 130mah Cell Batteries For car key High Performance button cell|cell coin battery|battery powered usb power supplybatteries review - AliExpress