Sony Ericsson Xperia XA Replacement Battery 3.8V 2300mAh

Sony Ericsson Xperia XA / F3116 — 3.8V Li-Polymer Replacement Battery (GB-S10-385871-010H)

This 3.8V, 2300mAh Li-Polymer battery replaces the original cell in the Sony Ericsson Xperia XA, Xperia XA LTE, F3116, and F3115. It matches the OEM part number GB-S10-385871-010H and fits the internal tray at 73.00 × 57.30 × 3.60mm. Swap it in when the original cell can no longer hold a full charge through a normal day.

• Xperia XA and F3116 platform fit: The F3116, F3115, and Xperia XA LTE all run the same MediaTek MT6755 voltage rail and share the same connector pinout. One cell covers the full range because the BMS handshake protocol and charge termination voltage are identical across these variants.
• Bench tested on actual hardware: We ran this cell through a full charge cycle on an F3116 unit. The BMS accepted charge at the expected CC/CV profile, hit 4.35V termination cleanly, and reported state-of-charge correctly from the first cycle without triggering thermal shutdown.
• Fuel gauge recalibration on first cycle: On first use after installation, disable fast charging and let the phone complete one full discharge down to auto-shutoff, then charge uninterrupted to 100%. This gives the fuel gauge IC a clean reference curve against the new cell before high-current charging begins.

Sudden shutdown at 20–30% on the Xperia XA after a cell swap

The Xperia XA's fuel gauge IC holds a discharge curve learned from the old cell. When a new cell with a different internal resistance profile goes in, the IC's voltage-to-percentage mapping is off. Under modem or display load, the phone hits the actual low-voltage cutoff threshold before the gauge reaches 0%, causing an abrupt shutdown while the screen still shows charge remaining. One full discharge-to-shutoff cycle followed by an uninterrupted charge to 100% resets the coulomb counter and corrects the percentage mapping.

USB fast charge not activating on the first cycle after replacement

After fitting a new cell, the Xperia XA may charge at standard 5V/1A instead of switching to the Qualcomm Quick Charge or USB-PD profile. The charge IC checks cell impedance before negotiating a higher voltage — a fresh cell at room temperature can present higher impedance on the first pass, causing the IC to stay in standard mode. This is not a fault. Allow one full standard charge cycle to complete. On the second cycle the charge IC reads a lower impedance value and the fast-charge handshake proceeds normally at the expected input voltage.