iPhone SE (2016) battery replacement: complete DIY guide

Can you replace the iPhone SE battery yourself?

Yes, absolutely. The iPhone SE (2016) is one of the more beginner-friendly iPhones to work on. The battery sits right behind the screen, there's no mid-frame to fight through, and a basic pentalobe screwdriver plus a spudger is all the tooling you really need. Most people finish the job in 30 to 45 minutes on their first attempt.

If your SE is shutting down before the battery meter hits zero, charging slower than it used to, or the battery health in Settings reads below 80%, it's time. This guide covers everything: the right part, every step of the repair, what it costs, and a few traps that catch first-timers.

Signs your iPhone SE battery needs replacing

Apple's battery health tool (Settings > Battery > Battery Health) is your first stop. A reading below 80% means the cell has lost meaningful capacity and Apple itself considers it degraded. But the meter doesn't always tell the whole story.

• Phone dies at 20%, 30%, or even 50% charge displayed
• Device gets unusually warm while charging or during light use
• Battery drains from 100% to dead in under four hours of normal use
• Unexpected reboots, especially in cold weather
• Charging takes three or more hours with a working cable and charger

The original SE shipped with a 1624mAh battery. That's a small cell even by 2016 standards, so every milliamp-hour of degradation is felt. A phone that once got you through a full day now might not make it to lunch. Replacing the battery genuinely brings the device back to life rather than pushing you toward buying a new phone.

What you need before you start

The right replacement battery

You want a battery rated at 1624mAh for the iPhone SE (1st generation, 2016). Don't order a battery listed for the iPhone 5S and assume it'll work, even though the SE is physically derived from that chassis. The connector pinout and adhesive tab placement are the same, but always confirm the part number on the listing matches the SE specifically. Our ZeroCycle Battery for iPhone SE 1624mAh Li-Ion Premium is spec'd exactly for the 2016 SE and comes with the connector pre-installed.

Tools

• P2 pentalobe screwdriver (for the two bottom screws)
• Phillips #000 screwdriver (for the battery connector bracket screw)
• Plastic spudger or opening pick
• Suction cup handle
• Tweezers
• Fresh adhesive strips (the factory tabs tear sometimes)

On the adhesive: if your pull tab tears during removal, you'll need replacement strips. Grab a pack of Battery Adhesive Strip Sticker Tape for iPhone 5C 5S SE (Pack of 50) (OEM) so you're not stuck holding the battery in place with tape or a prayer.

Step-by-step iPhone SE battery replacement

Step 1: power down and prep

Power the phone completely off before touching anything. Hold the top button, slide to power off, wait for the screen to go black. Drain the battery below 25% if you can beforehand. Lithium-ion cells under stress can swell or vent, and a low charge reduces that risk during removal.

Step 2: remove the two pentalobe screws

There are two P2 pentalobe screws, one on each side of the Lightning port on the bottom edge. They're tiny. Put them somewhere you won't lose them, a strip of tape works great as a holder. Strip these and the repair gets much harder fast, so don't force the screwdriver if it doesn't feel seated.

Step 3: open the display assembly

Press a suction cup just above the home button. Pull upward with firm, steady pressure while running a pick along the bottom edge crease. The display pops up from the bottom. Open it like a book toward you, hinging at the top edge. Do not yank it straight up or you'll tear the flex cables that run along the right side.

Prop the display at roughly 90 degrees. A rubber band looped around the phone and screen keeps it stable without you having to hold it.

Step 4: disconnect the display cables

There's a metal bracket held by two Phillips #000 screws just below the top edge of the phone on the right side. Remove the bracket, set it aside. Under it you'll see three cable connectors: the digitizer, LCD, and front camera/sensor assembly. Pop each one off with your spudger by lifting from the connector edge, not the cable. Now the display is fully free. Set it somewhere safe and flat.

Step 5: remove the battery connector bracket

Near the middle-left of the logic board there's a single-screw bracket covering the battery connector. Remove that screw (Phillips #000 again), lift the bracket, and pop the battery connector off the board with your spudger. This disconnects all power to the logic board.

Step 6: pull the adhesive tabs

The SE battery is held by two adhesive pull tabs that sit underneath the battery. Fold them down flat so they're pointing toward the Lightning port end of the phone. Then pull each tab slowly at a low angle, almost parallel to the back of the phone. Pull steadily rather than fast. If a tab breaks before it clears the battery, don't pry. You can work a piece of dental floss underneath the battery and use a gentle sawing motion to free it.

Step 7: install the new battery

If your new battery came with fresh adhesive pre-applied, peel the liner and set the battery in position, flat against the back case, connector end toward the top of the phone. If you need new strips, apply them to the back of the new battery first before placing it. Press down firmly for 30 seconds. Reconnect the battery connector, press until you feel it click, then replace the bracket and its screw.

Step 8: reconnect the display and close up

Reconnect the three display cables in reverse order: front camera/sensor first, then LCD, then digitizer. Each one should click in cleanly without much force. Replace the cable bracket and its two screws. Fold the display back down onto the chassis, pressing from the top edge down to the bottom. Press firmly around the perimeter until all the clips engage. Replace the two pentalobe screws at the bottom.

Step 9: first boot and calibration

Power on. The phone should boot normally. Once you're in, let the battery run all the way down to zero until the phone shuts itself off, then charge it straight to 100% without interrupting. This gives iOS a clean baseline for the battery health meter.

How much does iPhone SE battery replacement cost?

A DIY replacement battery for the iPhone SE typically runs $10 to $20 depending on the seller and spec. That's the part alone. Compare that to an out-of-warranty Apple Store battery service, which is currently priced at $49 for the original SE, or third-party shop rates that usually land between $30 and $60 with labor included. If you own a repair shop and are buying in volume, the per-unit cost for quality cells drops further. You can browse the full range of options in our Replacement Batteries for Phones & Tablets collection.

Tools add a one-time cost of roughly $10 to $20 if you don't own them already. After the first repair they pay for themselves immediately.

Battery charger tips for the iPhone SE

Once the new battery is in, how you charge matters. The SE supports up to 5W charging natively. Using a higher-wattage USB-C adapter through a Lightning adapter is fine, the phone regulates input, but a quality cable makes a real difference for charge speed and battery longevity. Avoid generic $3 cables from gas stations. Keep the phone out of hot cars during charging. And if you want the battery to hold capacity longer, try not to leave it sitting at 100% for hours every night. Keeping it in the 20% to 80% range most of the time extends cycle life.

Is replacing the battery worth it on a 2016 SE?

It's one of the best value repairs you can do on any phone. The SE (2016) runs iOS 15, which covers the basics well. The hardware is solid: compact size, headphone jack, physical home button with Touch ID, and a form factor a lot of people genuinely prefer to larger phones. A $15 battery and 45 minutes of your time versus buying a new phone is not a hard call.

The repair is also nearly identical in process to the iPhone 5S if you've done that one before. If you're curious how similar jobs look on other platforms, we've got detailed walkthroughs on the Pixel 4a 5G Battery Replacement: Cost & Guide, Pixel 5 Battery Replacement: Cost & DIY Guide, and Pixel 5a Battery Replacement: Cost & DIY Guide as well. More device guides live at the PhonePartPro repair guide hub.

FAQ

How much is iPhone SE battery replacement?

A DIY replacement battery for the original iPhone SE (2016) costs roughly $10 to $20 for the part. Apple charges $49 for out-of-warranty service. Third-party repair shops typically charge $30 to $60 including labor.

How much is battery replacement for iPhone SE 2020?

The iPhone SE (2020, 2nd generation) uses a different battery than the 2016 model. Apple's out-of-warranty service fee is $49 for that model as well. DIY parts for the 2020 SE typically run $12 to $22. This guide focuses on the original 2016 SE specifically.

How much is an iPhone SE battery replacement?

For the 2016 SE, expect to pay $10 to $20 for a quality replacement cell if you do it yourself, or $30 to $60 at a local repair shop. Apple's own service is $49 out of warranty.

How much is a battery replacement for iPhone SE?

The part alone is typically $10 to $20. Add $10 to $20 for a basic tool kit if you don't own one. Apple and third-party shops charge $30 to $60 with labor included.

How much for iPhone SE battery replacement?

DIY runs $10 to $20 for the battery. Professional service at a shop lands around $30 to $60. Apple charges $49 out of warranty.

How long does iPhone SE battery last before replacement?

Apple rates lithium-ion batteries to retain up to 80% of original capacity at 500 full charge cycles. In real-world use, most original SE owners see noticeable degradation after two to three years of daily use. If you charge your phone once a day, that's roughly 500 cycles in about 18 months, though partial charges count proportionally less. Battery health below 80% in Settings is the practical trigger for replacement.

Is the iPhone SE eligible for a battery replacement?

Yes. Apple offers battery service for the iPhone SE (2016) at $49 for out-of-warranty devices. The phone is also fully DIY-repairable, and quality third-party cells are widely available. If your device is still under AppleCare+, battery service may be covered if health is below 80%.

Is iPhone SE eligible for the $29 battery replacement?

Apple's $29 battery replacement program ran in 2018 in response to the throttling controversy. That program ended on December 31, 2018. The current out-of-warranty price for the original SE is $49 through Apple. That program is no longer active for any iPhone model.

How much is an iPhone SE 2020 battery replacement?

The 2020 SE (2nd generation) battery replacement costs $49 out of warranty through Apple. DIY parts typically run $12 to $22. Repair shops generally charge $35 to $65 with labor. Note that the 2020 SE has a different battery connector and form factor than the 2016 original.

How much does iPhone SE 2020 battery replacement cost?

Same answer: $49 through Apple out of warranty, $35 to $65 at most independent shops, and $12 to $22 for the part if you do it yourself. This guide covers the 2016 original SE; the 2020 model is a separate repair job.

How much does an iPhone SE battery replacement cost?

For the 2016 original SE: $10 to $20 for a DIY part, $30 to $60 at a repair shop, or $49 at the Apple Store out of warranty. The job takes under an hour with basic tools and is one of the more straightforward iPhone battery swaps available.