Just a note/ flag that these are currently available at $1.99 each on ebay (with best offers available too) if you want to revive a PowerBook by replacing a dead backup battery. That is about as good a price as you are going to get, coupled with availability of cheap shipping from this seller.
The cells are good for many older Apple machines, e.g., the Wallstreet, the 540c, the 5300....
The cells are good for many older Apple machines, e.g., the Wallstreet, the 540c, the 5300....
