DIY Replacement Batteries
NewerTech NuPower — Up to 23% more capacity vs. original Apple factory batteries.
No battery left behind... you ship it, we'll recycle it.
Even if you haven't purchased a NuPower laptop replacement battery, you may still send in your old laptop (and even iPod) battery and NewerTech will make sure it receives proper recycling and disposal.Learn about our battery recycling program »
Get the Most from Your Laptop Battery
Percentage of Maximum?
Learn how you can determine the percentage of maximum capacity remaining in your NewerTech NuPower Battery.
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.
New Battery Replacement Kits for MacBook Pro Retina Models!
NewerTech helps to put the power into users’ hands with this complete installation toolkit.