LIS1618ERPC Sony Xperia E5 Compatible Battery 3.8V 2300mAh

Sony Xperia E5 / F3311 / F3313 — 3.8V Li-Polymer Replacement Battery (LIS1618ERPC)

This is a 3.8V, 2300mAh (8.74Wh) lithium-polymer replacement battery for the Sony Xperia E5, Xperia E5 Dual SIM, F3311, and F3313. It replaces OEM part numbers LIS1618ERPC and 1298-9239. The cell dimensions are 70.90 × 57.00 × 3.40mm — matching the original battery footprint in the rear compartment.

• F3311 and F3313 platform compatibility: Both the single-SIM F3311 and dual-SIM F3313 share the same battery bay dimensions, voltage rail, and BMS connector pinout — this cell fits both without modification.
• Bench tested on actual hardware: We cycled this cell through charge and discharge on an F3311 unit. The BMS handshake completed correctly, charge IC accepted the cell without error flags, and the fuel gauge IC began tracking state-of-charge within the first cycle.
• First-cycle fast charge behaviour: On first use after installation, disable Sony's Qnovo adaptive charging for one full discharge-charge cycle. This lets the fuel gauge IC build an accurate discharge curve against the new cell before high-current charging pushes current into an uncalibrated state-of-charge register.

Why the Xperia E5 reports wrong battery percentage after a cell swap

The E5 uses a coulomb counter inside the fuel gauge IC to track remaining capacity. That counter is calibrated to the discharge curve of the original cell. When a new cell goes in, the stored curve no longer matches actual cell chemistry, so the percentage readout drifts — sometimes showing 40% and cutting out, sometimes freezing at a fixed number. One full discharge down to auto-shutdown followed by a full charge to 100% forces the IC to rewrite its calibration registers against the new cell. After that cycle, percentage reporting stabilises.

Sudden shutdown at 20–30% on the replacement cell

This is a voltage cliff problem, not a capacity problem. When the modem transmits or the screen runs at full brightness, current draw spikes sharply. If the fuel gauge IC is still running the old cell's curve, it may report 25% while the actual cell voltage has already sagged below the BMS cutoff threshold — around 3.0V under load. The phone shuts down to protect the cell, even though the percentage looks safe. Run one complete discharge-charge cycle to recalibrate the coulomb counter, then verify the shutdown stops occurring above 3.2V under load.