NewerTech® : Batteries
GET CHARGED, STAY CHARGED BATTERIES FOR YOUR DEVICES

NuPower laptop batteries

MORE CAPACITY LONG RUNTIME + LONG LASTING
NuPower delivers the highest capacities available in replacement batteries for MacBook®, MacBook Air®, and MacBook Pro.

New! How To Calibrate a Mac Laptop's Power System
Learn how to find your Mac's Model ID   |   How to find your Mac's Model Number
Batteries for MacBook Pro
Batteries for MacBook
Batteries for MacBook Air
CALIBRATE YOUR LAPTOP'S
POWER MANAGEMENT SYSTEM
It's absolutely essential to calibrate the power management system after installing any new battery from NewerTech or any other top brand. The power calibration process syncs the computer's power management system with the battery which allows:
  • Your new battery to achieve its fullest charge capacity.
  • Your new battery to reach its full lifespan.
  • The system to accurately display the battery level.
View the calibration guide.
NewerTech Battery Installed

PRAM BATTERIES

FROM $1.99 Keep your computer telling time
Keep your PRAM settings where they need to be with our NuPower PRAM batteries. We carry PowerBook G4 Titanium, PowerBook G3 Wallstreet Models (1998), PowerBook G3 "Lombard" and "Pismo" models, PowerBook G4 Aluminum, 3V, 3.6V NewerTech Lithium, and 4.5V batteries.

– 1 year warranty on all PRAM battery models Register here