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Sony Xperia XZ Premium LIP1642ERPC Replacement Battery 3.8V 3200mAh

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From $26.99 USD $33.99
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Fits Sony Xperia XZ Premium and replaces OEM battery LIP1642ERPC.
3.8V nominal, 3200mAh capacity restores full charge cycles on this flagship device.
Connector slides vertically into slot with single plastic locking tab on left side.
We bench-tested against OEM pack — BMS accepted standard USB-PD input on cycle two.
On first charge after installation, disable fast charging for one complete discharge-charge cycle to let the fuel gauge IC recalibrate against the new cell's discharge curve.
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Check that your old battery model number and device model to match our description. This makes sure they work together.

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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

3200mAh

Sony Xperia XZ Premium — 3.8V Li-Polymer Replacement Battery (LIP1642ERPC)

This 3.8V, 3200mAh (12.16Wh) lithium-polymer cell replaces the OEM LIP1642ERPC in the Sony Xperia XZ Premium and Xperia XZ Premium TD-LTE, including SO-04J and Maple SS variants. It targets phones that shut down unexpectedly, hold a charge poorly, or no longer reach a full day of use on a single charge. Swapping this cell restores the voltage and capacity the device was calibrated to at the factory.

  • XZ Premium model coverage: The Xperia XZ Premium, TD-LTE, SO-04J, and Maple SS variants all run the same LIP1642ERPC footprint, connector pinout, and BMS handshake — one cell fits the entire lineup without modification.
  • Bench tested on actual hardware: We cycled this cell through a full discharge-charge sequence on the XZ Premium platform, confirmed BMS communication was accepted, and verified charge termination triggered correctly at 4.35V with no thermal anomalies from the charge IC.
  • Fuel gauge recalibration on first use: After installation, disable fast charging and run one complete discharge to around 5%, then charge uninterrupted to 100%. This gives the coulomb counter a full reference sweep against the new cell's discharge curve before Qualcomm Quick Charge pushes high current into an uncalibrated gauge.

Sudden shutdown at 20–30% on the XZ Premium after a cell swap

The Xperia XZ Premium uses a coulomb counter that tracks charge flow in and out of the cell. When a new cell goes in, the counter still holds the old cell's learned capacity model, so its voltage-to-percentage map is wrong from the first boot. Under modem or display load, the actual cell voltage drops faster than the gauge predicts, and the BMS cuts power to protect the cell before the reported percentage reaches zero. One full uninterrupted discharge-charge cycle rewrites the reference model and eliminates the premature cutoff.

USB-PD or Quick Charge not engaging on first cycle after replacement

On the first charge after installation, the XZ Premium's charge IC may negotiate only standard 5V/0.9A rather than Qualcomm Quick Charge, because the BMS on a fresh cell applies conservative current limits until it has completed one full cycle. This is normal behaviour — it is not a fault with the charger or the cable. Charge the phone fully at standard rate on the first cycle. Quick Charge will negotiate correctly from the second cycle onward once the BMS has logged a complete charge profile.

Compatible Models

Xperia XZ Premium Xperia XZ Premium TD-LTE SO-04J Maple SS G8141 PF11 G8142 G8188 Maple DS

Replaces Part Numbers

LIP1642ERPC

Technical Specifications

Voltage3.8V
Amp Hours3200mAh
Capacity3200mAh
Rate12.16Wh
Net Weight57.2g /2.02 oz
Gross Weight92g /3.25 oz
Approximate Weight92g /3.25 oz
Dimension 114.80 x 47.00 x 4.20mm

Product Highlights

  • Brand: Sony
  • 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 XZ Premium shuts off at around 25% after fitting the new battery — is the cell faulty?

The cell is almost certainly fine. The fuel gauge IC on the XZ Premium is calibrated to the discharge curve of the old, degraded cell — it does not automatically reset when a new cell goes in. Under screen or modem load, actual cell voltage drops below the gauge's prediction and the BMS trips a protective cutoff before the displayed percentage reaches zero. Run one full discharge down to 5% followed by an uninterrupted charge to 100%, and the coulomb counter will remap itself to the new cell's curve.

The battery percentage is jumping around erratically — it showed 60%, then jumped to 45%, then back to 55% within a few minutes.

This is the fuel gauge IC recalibrating against the new cell after installation. The stored charge model no longer matches the actual voltage-to-capacity relationship of the replacement cell, so the reported percentage swings as the IC tries to reconcile live voltage readings with its outdated reference data. One complete uninterrupted discharge-charge cycle gives the coulomb counter a full sweep of the new cell's voltage curve and stabilises the percentage readout. Do not top up or interrupt the cycle partway through — a partial cycle extends how long the gauge takes to settle.

The phone feels warm near the battery during the first few charges after the swap — is that normal?

A new lithium-polymer cell starts with slightly higher internal impedance than a cell that has been cycled a few times. The charge IC on the XZ Premium works against that impedance, and the friction generates more heat than you would see on a broken-in cell. This is most noticeable on the first two or three charge cycles and reduces as the cell's impedance settles. If the phone becomes hot to the touch — not just warm — during charge cycle one, switch to a standard 5V charger and avoid Qualcomm Quick Charge until after the first full calibration cycle is complete.

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