A typical cellphone battery has about 500 cycles before it is unable to maintain a charge of at least 80% of its original capacity. Made from new materials, our batteries have zero cycles ensuring the maximum number of cycles available to you.

• Zero Cycle Count, therefore you have the maximum amount of cycles left
• Lithium-Ion Polymer
• Brand New materials
• Strict QC testing
• Less than 1% failure rate
• 12 Month Warranty

iGadget OEM iPhone 4 replacement batteries carry loads of certifications (FCC, CE, SDOC, IEC62133-2:2017, UN38.3, MSDS and even a 1.2m drop test certification) so you can trust you are buying a safe, reliable and long lasting Lithium Ion battery.

IEC62133 Certification Tests:

• Insulation Resistance
• Continous Charging
• Short Circuit
• Impact
• Thermal Abuse
• Crush
• Overcharging
• Forced Discharge
• Shock and Vibration

The OEM Texas Instruments chip (also known as the 'gas gauge') measures and accurately communicates available capacity, voltage, current, temperature and other critical parameters for lithium-ion batteries.  An inadequate battery gas gauge will result in surprise shutdowns, overcharging, poor user experience and will ultimately lead to a quicker deterioration of your battery

• Genuine OEM Texas Instruments Chipset (TIIC)
• Accurate Communication to your device
• Superior charging control - Stabilises charging, discharging and overcharging

iGadget's battery adhesive allows you to glue down the battery into your chassis while leaving pull tabs for you to be able to remove the battery if you need to later on

• Battery adhesive is included
• Convenient
• Easy-to-use

Watch the video above or checkout the step-by-step guide below for assistance in completing this repair

iFixit iPhone 4 Battery Replacement Guide

Here is some tools you may need to help you complete the repair.

Please note: This battery comes with a simple toolkit, please check the "what's in the box" section for details

• Phillips #000 Screwdriver
• P2 Pentalobe Screwdriver
• Suction Cup
• Fine Tipped Curved Tweezers
• Black Spudger

Here are some helpful tips to assist you in completing a safe repair on your device. If you are unsure of something or have any quesions, please feel free to contact us either by phone (0508 IGADGET) or by email

• Always track your screws to avoid putting back in the wrong place and damaging your device. You can draw a picture of your phone and tape the screws to the right places
• Always power down your device prior to working on it
• Make sure you always unplug the battery before attemping any component removal
• Before removing your battery, discharge the battery to below 25%. A charged lithium-ion battery can catch fire or explode if punctured or damaged
• To remove the battery sticker, pull on the clear plastic pull tab next to the battery straight up. Also check out this video for more adhesive removal tips.
• If your newly installed battery is draining fast or shutting off randomly, try the following steps to resolve it
• Open up the device and unplug the battery
• Check the phone and battery connector for rogue bits of foam or debris and remove
• Plug the battery connector back into the phone making sure it is seated correctly (should hear an audible click)
• Inspect the flex cable to make sure there is no strain on it when the battery is plugged in. If there is any strain you may need to remove the battery and reposition (higher, lower, closer, further away from connector) so that the cable sits without stretch. If the cable is pushing against the bottom of the phone chassis, the cable may need to be reshaped to sit comfortably.
• Put phone back together and turn on
• Once you reach the home screen, perform a force restart by pressing and holding both the power button and the Home button until the apple logo appears.