3 Things to Know About the PowerBook G3 Wall Street Battery
The battery is user-replaceable It sits on the front edge of the laptop and pops out without any tools.
It uses a lithium-ion pack This was standard for its era, offering decent runtime for a late-1990s portable.
This design is obsolete in modern laptops Most laptops today glue the battery in, making replacement difficult or impossible without disassembly.