Connection between batteries

[Hikelite]

Laptop cells

I was wondering if all laptop cells are 18650 size? I ask because one of my laptop's battery pack is near the end of it's life. I checked out the pack and it seems to be a 4400mAh - 4cell pack. Are we talking about 1100 mah 18650 cells?? Should I even bother salvaging 1100mah cells? **EDIT** I got some recycled packs a couple days ago. One of them had cells that looked like cell phone batteries. Around 1.75" x 2" or something. They're in the garage so I don't have a pic atm. The rest of the …

That's another option for flat tops, but probably not in Sanyo's case.