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Apple iPhone 13 Replacement Battery 3.85V 3200mAh 616-00258

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New arrival
From $33.99 USD $41.99
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Replaces Apple part 616-00258 for iPhone 13, iPhone 13 5G, and A2635 models.
3.85V at 3200mAh delivers 12.32Wh — matches OEM capacity to restore full daily runtime on this device.
Connector clips into the battery slot with no adhesive tabs required; orientation locked by slot geometry on the logic board.
We ran full discharge cycles on a test unit; BMS reported correct voltage under load and accepted standard Apple USB-PD charging without fault codes.
On first use after installation, disable fast charging for one complete discharge-charge cycle — this lets the fuel gauge IC recalibrate against the new cell discharge curve before high-current fast charging engages.
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

3.85V

Amp

3200mAh

Apple iPhone 13 — 3.85V Li-Polymer Replacement Battery (616-00258)

This 3.85V Li-Polymer cell is a direct swap for the original battery in the iPhone 13, iPhone 13 5G, and A2635 variants. Capacity is 3200mAh (12.32Wh), matching OEM cell specifications. It fits the standard battery bay with the same footprint: 88.80 × 44.60 × 4.90mm.

  • iPhone 13 and 13 5G compatibility: Both models share the same logic board power rail, battery connector pinout, and BMS handshake protocol — this cell covers both without modification.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on an iPhone 13 board. The BMS accepted the cell, the fuel gauge IC initialised correctly, and charge current ramped as expected through both trickle and CC/CV phases.
  • First-cycle fast charge protocol: On first use after installation, disable fast charging for one complete discharge-charge cycle. This lets the fuel gauge IC recalibrate its coulomb counter against the new cell's discharge curve before high-current fast charging pushes current into an uncalibrated cell.

Sudden shutdown at 20–30% on the replacement cell

This is a voltage cliff problem, not a capacity problem. When the modem fires a transmission burst or the display scales brightness, current draw spikes sharply. If the fuel gauge IC is still calibrated to the old cell's discharge curve, it misreads state-of-charge and the protection circuit trips before the percentage reaches zero. Running one full discharge-to-cutoff cycle — letting the phone shut off naturally — gives the coulomb counter a clean reference point. After that cycle, shutdowns at partial charge should stop.

Phone not powering on after the new cell sat in storage

Li-Polymer cells self-discharge in storage. If the cell voltage has dropped below approximately 2.5V, the BMS enters lockout mode and blocks charge current entirely. The phone will show nothing — no charging screen, no Apple logo. Connect to a genuine Apple adapter and leave it undisturbed for 20–30 minutes; the BMS needs a low-current trickle to recover the cell voltage above the lockout threshold before normal charging resumes. Once the cell crosses roughly 3.0V, the BMS releases and the phone will boot.

Compatible Models

iPhone 13 iPhone 13 5G A2635

Replaces Part Numbers

616-00258

Technical Specifications

Voltage3.85V
Amp Hours3200mAh
Capacity3200mAh
Rate12.32Wh
Net Weight44g /1.55 oz
Gross Weight94g /3.32 oz
Approximate Weight94g /3.32 oz
Dimension 88.80 x 44.60 x 4.90mm

Product Highlights

  • Brand: Apple
  • Manufacturer: CS
  • Series: X-Longer
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My iPhone 13 keeps shutting off at around 25% after I put in this replacement battery — why?

The fuel gauge IC on the logic board was calibrated to your old cell's discharge curve, not the new one. When current spikes under modem or screen load, the IC misreads state-of-charge and the protection circuit cuts power before the percentage hits zero. Run one full cycle — drain the phone until it shuts off on its own, then charge to 100% uninterrupted — and the coulomb counter will reset against the new cell. That single calibration cycle clears the early-shutdown behaviour in most cases.

The battery percentage is jumping around erratically since I replaced the cell — is something wrong?

Nothing is wrong with the cell itself. The fuel gauge IC is recalibrating its internal model against an unfamiliar discharge curve, so the reported percentage swings until it builds a reliable reference. This settles after one or two complete discharge-charge cycles where the phone drains fully and charges to 100% without interruption. If the jumping continues past three full cycles, confirm the battery connector is fully seated — a partial connection introduces resistance that feeds the IC bad voltage readings.

Fast charging stopped working after I swapped the battery — iPhone 13 just charges slowly now.

On the first cycle after a cell swap, the charge IC sometimes defaults to standard 5W current while the BMS and fuel gauge IC negotiate parameters with the new cell. This is expected behaviour. Disable fast charging in Settings → Battery → Battery Health & Charging, run one full standard charge to 100%, then re-enable fast charging. If USB-PD fast charge still does not engage after that cycle, check that you are using an Apple-certified cable and a USB-PD adapter — the protocol handshake requires both ends to be compliant.

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Apple iPhone 13 Replacement Battery, 3.85V, 3200mAh, Li-Polymer 1

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