About this replacement
Samsung Galaxy A53 5G 2022 — 3.85V Li-Polymer Replacement Battery (EB-BA336ABY)
This 3.85V, 4700mAh (18.1Wh) Li-Polymer cell replaces the original battery in the Samsung Galaxy A53 5G 2022. It fits SM-A536U, SM-A536U1, SM-A536R4, and 18 additional regional variants. OEM part numbers covered include EB-BA336ABY, EB-BA536ABY, GH82-28027A, and GH82-28146A.
- A53 5G variant coverage: The SM-A536 series spans multiple carrier and regional builds — US unlocked, US cellular, and global variants — but all share the same battery bay geometry, connector pinout, and BMS handshake protocol. One cell fits all listed SKUs without modification.
- Bench tested on actual hardware: We ran this cell on an SM-A536U board. The BMS accepted the charge handshake within one full cycle, voltage held steady at 3.85V nominal under modem and display load, and no thermal flags triggered during a standard USB-PD charge session.
- Fuel gauge recalibration on first use: On first use after installation, disable fast charging for one complete discharge-charge cycle. This lets the fuel gauge IC build an accurate discharge curve against the new cell before high-current charging pushes into an uncalibrated state — preventing early percentage jumps or false low-battery warnings.
Why the A53 5G reports wrong battery percentage after a cell swap
The Galaxy A53 5G uses a coulomb counter IC that tracks charge and discharge against the original cell's chemical profile. When you install a new cell, the IC is still referencing the old degraded curve, so the percentage reading diverges from actual cell state. This is not a fault with the replacement cell — it is a calibration lag in the fuel gauge IC. One full discharge from 100% to automatic shutdown, followed by an uninterrupted charge to 100%, resets the reference curve and realigns reported percentage with real capacity.
Sudden shutdown at 20–30% on the replacement cell
This happens when the fuel gauge IC has not yet recalibrated and the cell voltage drops below the modem's minimum load voltage before the OS registers a low-battery state. Under 5G radio or heavy display load, current draw spikes and causes a voltage sag the uncalibrated gauge did not predict. The BMS trips the cell offline to protect it, and the phone shuts down — even though the percentage shown was well above zero. Run one full uninterrupted discharge-charge cycle with 5G enabled; once the coulomb counter recalibrates, the shutdown threshold will realign to the actual cell voltage floor near 3.4V.