Best cell phone replacement batteries, ranked

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AI-generated summary · updated August 9, 2026 · verify details before purchase.

1. 

   1 Best overall quality iFixit

   iFixit Battery Fix Kit for iPhone 12

   ★★★★★4.7/5 $62.99 Only 14 left

   This kit includes a high-quality replacement battery along with the specialized tools needed for a safe installation, backed by detailed repair guides.

   • Includes all necessary tools
   • Excellent guides and support
   • High capacity cell

   • Higher price than generic options

   View on Amazon manufacturer site
2. 2 Best value for iPhone X

   Yodoit Upgraded Battery for iPhone X

   ★★★★☆4.5/5 $20-$30

   A zero-cycle upgraded battery that offers improved longevity over the original stock battery for the iPhone X.

   • Higher capacity than stock
   • Includes installation tools
   • Good compatibility

   • Adhesive quality varies

   View on Amazon
3. 3 Best for Samsung users

   Samsung Official OEM Battery for Galaxy S21

   ★★★★★4.8/5 $40-$60

   An original equipment manufacturer battery that guarantees perfect software integration and safety features for Galaxy S21 devices.

   • Perfect system integration
   • Reliable safety standards
   • Original capacity

   • Often requires professional installation

   View on Amazon
4. 

   4 Best budget Samsung pick ASDAWN

   Powerextra Replacement Battery for Samsung S9

   ★★★★☆4.3/5 $18.99

   An affordable replacement option that restores standard usage time to older Samsung Galaxy S9 models.

   • Very affordable
   • Includes back cover tool
   • Reliable charge holding

   • Capacity slightly lower than OEM

   View on Amazon
5. 5 Best for older iPhones

   TQTHL High Capacity Battery for iPhone 7

   ★★★★★4.6/5 $12-$18

   A high-capacity battery specifically designed to extend the life of the iPhone 7, featuring Grade A cells for stability.

   • Very low cost
   • High capacity upgrade
   • Easy installation process

   • Packaging is minimal

   View on Amazon
6. 

   6 Best DIY for iPhone 11 IIDA

   Batpart Battery for iPhone 11

   ★★★★☆4.4/5 $19.99

   Features a built-in professional IC smart chip to prevent overcharging and ensure efficient power management.

   • Smart safety chip
   • Long cycle life
   • Good video instructions available

   • Tools are basic quality

   View on Amazon

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