Battery charger ic, electronic battery charging chip, battery power source

VARTA Microbattery 55615303059 in Bulk. V150H: 3.6 V 150 mAh Nickel Metal Hydride Rechargeable Ni-MH Button Battery  

https://www.futureelectronics.com/p/electromechanical--batteries/55615303059-varta-microbattery-3439544