Samsung Galaxy S6 Edge+ EB-BG928ABE Replacement Battery 3.85V 3000mAh

Samsung Galaxy S6 Edge+ — 3.85V Li-Polymer Replacement Battery (EB-BG928ABE)

This is a 3000mAh, 3.85V lithium-polymer cell built to replace the original EB-BG928ABE battery in the Samsung Galaxy S6 Edge+. It fits the SM-G9287, SM-G9287C, and related S6 Edge Plus variants. Capacity and voltage match the OEM specification exactly.

• S6 Edge+ platform fit: The SM-G9287 series shares a single battery bay geometry, flex connector pinout, and BMS handshake protocol across all regional variants. One cell covers the full SM-G928 lineup without modification.
• Bench tested on actual hardware: We ran this cell in an SM-G928F under screen-on load with LTE active. The BMS accepted the charge handshake on first cycle, held voltage above 3.6V through discharge, and tripped the low-voltage cutoff cleanly at the correct threshold.
• Fuel gauge recalibration on first use: After installation, disable fast charging and run one full discharge-charge cycle at standard current. The fuel gauge IC on the S6 Edge+ is calibrated to the old cell's discharge curve — one complete cycle at slow rate lets it remap against the new cell before high-current charging begins.

Sudden shutdown at 20–30% on the S6 Edge+ after a cell swap

This happens because the fuel gauge IC still holds the discharge curve of the old, degraded cell. When the new cell hits a voltage cliff under modem or display load, the phone interprets that voltage drop as a critical low and cuts power — even though the percentage shown was 25%. The IC's coulomb counter needs a full reference cycle to build an accurate state-of-charge map for the new cell. Run one complete discharge to 1% followed by a full charge without interruption, and the shutdowns stop.

USB fast charge not activating on the first cycle after replacement

On the first charge after a cell swap, the charge IC on the S6 Edge+ can decline the fast-charge handshake if the new cell's internal impedance reads outside the expected range for the old, worn cell it replaced. This is a one-cycle behaviour — the charge IC re-evaluates cell impedance each session. Plug in with the standard Samsung charger, let the first cycle complete fully at standard rate, and fast charging re-engages automatically on the next charge session without any settings change.