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Apple iPhone Xs Replacement Battery 616-00514 3.8V 2600mAh

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From $30.99 USD $38.99
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Fits Apple iPhone Xs models A1920 and A2097, replacing OEM battery part 616-00514.
3.8V and 2600mAh capacity delivers the original runtime and charge cycle count without degradation.
Connector sits flush against the logic board with a single adhesive strip securing the pack during reassembly.
We bench-tested this cell on an iPhone Xs charge circuit; the fuel gauge IC accepted the new BMS signature after two full cycles without reporting errors.
On first use after installation, disable fast charging for one complete discharge-charge cycle — this lets the coulomb counter recalibrate against the new cell discharge curve before high-current charging.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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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

3.8V

Amp

2600mAh

Apple iPhone Xs — 3.8V Li-Polymer Replacement Battery (616-00514)

This is a 3.8V, 2600mAh lithium-polymer replacement battery for the Apple iPhone Xs, covering model numbers A1920, A2097, and related variants. It slots into the same physical bay as the original cell and connects to the same flex cable assembly. Voltage and capacity match the OEM specification exactly.

  • iPhone Xs / A1920 / A2097 compatibility: These models share the same 3.8V power rail, identical connector pinout, and the same fuel gauge IC handshake protocol. Any cell going into this bay must match those parameters — this one does.
  • Bench tested on actual hardware: We ran this cell through full charge and discharge cycles on an iPhone Xs board. The BMS accepted the cell without fault flags, and the charge IC stepped through trickle, CC, and CV phases correctly with no thermal interruptions.
  • Fuel gauge recalibration on first cycle: On first use after installation, disable fast charging for one complete discharge-to-charge cycle. This lets the fuel gauge IC map its coulomb counter to the new cell's actual discharge curve before high-current charging is applied to an uncalibrated cell.

Why the iPhone Xs reports wrong battery percentage after a cell swap

The iPhone Xs uses a coulomb-counter-based fuel gauge IC that builds its percentage model from the previous cell's charge history. After a cell swap, that stored model no longer matches the new cell's actual capacity and impedance curve. Until the IC runs at least one full discharge from 100% to automatic shutoff and back to full charge, the percentage readout will drift or read high. One full unconstrained cycle resets the reference baseline and the reported percentage stabilises.

Sudden shutdown at 20–30% charge on the replacement cell

This happens when the fuel gauge IC is still calibrated to the old cell's voltage curve and misjudges the remaining usable capacity. Under modem load or screen brightness spikes, the new cell's terminal voltage drops faster than the IC expects, triggering an emergency cutoff before the displayed percentage reaches zero. It is not a fault with the cell itself. Run one full discharge cycle without fast charging — once the IC re-maps the voltage cliff of the new cell, shutdowns at 20–30% stop.

Compatible Models

iPhone Xs A1920 iPhone 11.2 A2097 A2098 A2100 A2099

Replaces Part Numbers

616-00514

Technical Specifications

Voltage3.8V
Amp Hours2600mAh
Capacity2600mAh
Rate9.88Wh
Net Weight39.8g /1.40 oz
Gross Weight75g /2.65 oz
Approximate Weight75g /2.65 oz
Dimension 96.75 x 58.32 x 4.08mm

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 Xs won't turn on at all after sitting in a drawer for months — is the new battery dead on arrival?

It is almost certainly not dead. A cell stored below 2.5V triggers BMS lockout as a protection measure, and the phone will not respond to a normal power button press. Connect it to a charger and leave it for at least 20–30 minutes without touching anything — the charge IC needs to trickle current into the cell until it clears the lockout threshold. Once voltage climbs above roughly 2.8V, the BMS re-enables the output and the phone will boot.

Fast charging stopped working the first time I plugged in the phone after replacing the battery — was something damaged during installation?

Nothing is damaged. On the first charge cycle after a cell swap, the iPhone's charge IC runs a verification pass on the new cell before it accepts USB-PD or high-current input. If the fuel gauge IC has not yet completed one full cycle with the new cell, the system holds the charge rate at low current as a safety measure. Charge the phone once fully on a standard 5W charger, then fast charging will be accepted on subsequent cycles.

The battery percentage on my iPhone Xs keeps jumping around erratically — sometimes 60%, then 45% a minute later without me doing anything.

That is the fuel gauge IC recalibrating against the new cell's discharge curve in real time. The stored charge model from the old cell has different impedance and capacity characteristics, so the coulomb counter is correcting itself as it gathers new data points. The jumping settles after one complete discharge cycle — drain the phone from full charge down to automatic shutoff, then charge it fully to 100% without interruption, and the percentage readout will stabilise.

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