Varta V2/CP300H SLF ++/- Button cell (rechargeable) CP300H NiMH 300 mAh 2.4 V 1 pc(s) | Conrad.com
Varta 2/CP300H 2.4V Ni-MH Battery
2Pcs CP300H 1.2V NI MH Rechargeable Battery for Alarm System Electricity Meter Emergency Lights Energy Harvesting Backup Battery|Replacement Batteries| - AliExpress