I.e. dead battery. So you need a CR2032 lithium button battery with either the solder lugs attached or a battery holder which you solder to the PCB and insert a CR2032 into it. The battery holder (which is what you use to do the battery mod) needs to be the horizontal style and ...
a* 1 x CR2032 Coin Battery [translate] aI lift the head, 我举头, [translate] a2) If the supplier is responsible for the reason for rescission, then the supplier shall only be paid for the deliveries provided and transferred, insofar as Gate is able to use these for the purpose intended...