Home / Computers / The PowerBook 165C's battery slides right outComputers Technology ramseeker macThe PowerBook 165C's battery slides right outOld-school simplicity: the PowerBook 165C takes a user-replaceable NiMH or NiCd battery that slides into the front of the machine. Third-party replacements are still floating around — no glue, no drama. Shop computer upgrades on Amazon As an Amazon Associate, Work Notes may earn.Related NotesThe PowerBook G4's graphics and processor are soldered and cannot be upgradedThe PowerBook G4's AirPort card is still upgradeable under the keyboardThe PowerBook 165C's integrated 8.4-inch screen can't be upgradedThe PowerBook G3 Wall Street's ATAPI drive can be swapped or turned into extra storageThe PowerBook G4 Aluminum has a standard SATA slot-loading drive — swap or replace it easilyExploreTerraMaster F2-221 — Intel Celeron J3355, modest but capable for basic NAS dutiesTrueNAS Mini R — Intel Xeon D-2142IT brings server-grade performance to a compact chassisTrueNAS Mini X+ — the Celeron J4125 handles TrueNAS duties without breaking a sweatLenovo ThinkCentre M90q Gen 3 — LGA 1700 socket supports 12th Gen Core from i3 to i9HP EliteDesk 800 G1 Mini — 4th Gen Haswell, socketed and upgradeablePrevious The PowerBook G3 Wall Street is surprisingly serviceable for its ageNext The OXO Good Grips dusting tool won't cramp your hand at any angle