High-Quality Replacement Battery for iPhone 16 Plus 

Bring back the exceptional, multi-day battery life of your iPhone 16 Plus with this premium-grade replacement battery. Designed to match original factory specifications, this massive high-capacity cell restores maximum runtime, supports fast charging, and ensures your phone effortlessly handles intensive streaming, gaming, and Apple Intelligence workloads without needing a midday recharge.

Engineered with top-tier, high-density lithium-ion polymer cells and an intelligent internal circuit board, this battery delivers reliable power while actively safeguarding your device against overcharging, short-circuiting, and thermal spikes.

Why Choose This Battery?

• 100% Brand New Cell: Zero battery cycles — enjoy maximum power capacity and factory-fresh runtime right out of the box.

• Restore Peak Performance: Eliminates sluggish processor speeds, unexpected shutdowns, and iOS speed throttling caused by an aging battery.

• Advanced Safety Protection: Integrated smart IC chip prevents thermal runaway, over-voltage, and over-charging.

• Precision OEM Fit: Custom-manufactured to drop seamlessly into the iPhone 16 Plus chassis with exact physical and electrical alignments.

 Important Note About the “Unknown Part” / Battery Health Message

After installing this battery, you will notice an “Unknown Part” or “Important Battery Message” notification in your settings (Settings > Battery or Settings > General > About).

Please do not worry — this is completely normal and expected for all replacement batteries not installed directly by Apple.

• Why does this happen? Apple uses a strict software-based parts-pairing security system on the iPhone 16 Plus. Whenever a battery is replaced outside of an official Apple service center, iOS detects that the microchip on the new battery has not been digitally paired to your phone’s logic board using Apple’s proprietary calibration tool. Even if you installed a genuine Apple battery taken directly out of another brand-new iPhone 16 Plus, this exact same warning would appear!

• Will it affect my phone’s performance? No. This is purely an informational alert. It does not affect your iPhone 16 Plus’s performance, Apple Intelligence processing speed, charging capabilities, battery life, or safety. Your device will operate at 100% peak capability.

• What is the only difference? The “Battery Health & Charging” menu in iOS Settings will not display a percentage (such as 100%). However, your standard battery level indicator in the top-right status bar will continue to function perfectly. (You can verify your true 100% battery health and cycle count at any time using free desktop software like 3uTools or CoconutBattery).

• Does the notification go away? Yes. The lock-screen pop-up alert will disappear automatically after 4 days of use, and the notification will quietly settle into the background of your Settings menu after 15 days without bothering you again.