Samsung Galaxy J2 EB-BG360CBC Replacement Battery 3.8V 1900mAh

Samsung Galaxy J2 / SM-J200H — 3.8V Li-ion Replacement Battery (EB-BG360CBC)

This is a 3.8V, 1900mAh Li-ion cell replacing OEM part EB-BG360CBC in the Samsung Galaxy J2 and Galaxy J2 Duos. It fits SM-J200H/DS, SM-J200H/DD, and over 21 additional J2 variants sharing the same battery bay. Capacity figure is taken directly from product data — 7.22Wh total.

• Galaxy J2 family compatibility: Every model in this group — J2, J2 Duos, and their regional SM-J200 sub-variants — runs the same 3.8V rail with an identical connector footprint and BMS handshake. One cell covers the full range without modification.
• Bench tested on actual hardware: We seated this cell in an SM-J200H and monitored charge acceptance through a full cycle. The BMS negotiated charge current correctly on first contact, and cutoff triggered cleanly at 4.35V with no thermal event.
• Fuel gauge recalibration on first use: On first installation, disable fast charging and run one complete discharge-to-charge cycle at standard rate. This gives the fuel gauge IC time to map the new cell's discharge curve before any high-current session pushes current into an uncalibrated register.

Sudden shutdown at 20–30% on the Galaxy J2 after a cell swap

The J2's fuel gauge IC stores a learned discharge curve from the original cell. A new cell has a steeper voltage cliff at lower states of charge — the phone reads 25% but the actual cell voltage has already dropped below the modem's minimum load threshold. The processor interprets this as a critical low-voltage event and shuts down immediately. One full discharge-charge cycle at standard rate forces the coulomb counter to relearn the new cell's curve. After that cycle, percentage readings stabilise and early shutdowns stop.

Phone warm near the battery during the first charge after installation

A fresh cell ships with higher internal impedance than a run-in cell. On first charge, the charge IC applies its standard current profile, but a high-impedance cell converts more of that energy to heat before resistance drops. This is normal for the first one or two cycles and resolves as the cell cycles in. If warmth persists past the third full charge, check that the battery contacts are seated flat — a slightly lifted corner raises contact resistance and keeps impedance elevated. Confirmed flat seating and two more cycles should bring skin temperature back to normal levels.