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batteries - Is there a standard replacement for three stacked LR1154 cells? - Electrical Engineering Stack Exchange
LR44 Battery Equivalent, Voltage, Size, Uses & Life (FAQs)
Pentax 67: Four LR44 as replacement for 4LR44/PX28/A544/476A battery
Everything You Need To Know About The LR44 Battery
Pentax 67: Four LR44 as replacement for 4LR44/PX28/A544/476A battery