The new hardware used less power, the batteries didn't change very much. edit. also Nintendo's figures show a lower battery time for the Pocket and Color, so t

The new hardware used less power, the batteries didn't change very much. edit. also Nintendo's figures show a lower battery time for the Pocket and Color, so they probably just decided to trade for space/weight. https://www.nintendo.co.uk/Support/Game-Boy-Pocket-Color/Product-information/Technical-data/Technical-data-619585.html https://www.nintendo.co.uk/Support/Game-Boy-Pocket-Color/Pro...