> standard in things like cell phones and laptops or 25 year old toys like Game Boy http://fms.komkon.org/GameBoy/Tech/PowerAndCart.gif http://fms.komkon.org/

> standard in things like cell phones and laptops or 25 year old toys like Game Boy http://fms.komkon.org/GameBoy/Tech/PowerAndCart.gif http://fms.komkon.org/GameBoy/Tech/PowerAndCart.gif and gameboy color: https://www.youtube.com/watch?v=yuaA-rUBmEc https://www.youtube.com/watch?v=yuaA-rUBmEc both cutoff voltage <1v per cell