Maxell BTT06 ER6 3.6V 2000mAh B0061201

The ABS BTT06 battery is a 3.6V 2000mAh lithium battery pack with PCB, 

designed for reliable power supply in industrial applications. 

It is compatible with various models, including MSR MSP-3 ABS sensors, ABB BTT06, BTT0610, B8220001, and Velconic B0507830.