Samsung Galaxy S III Mini Replacement Battery EB-F1M7FLU 3.8V 1500mAh
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Samsung Galaxy S III Mini Replacement Battery EB-F1M7FLU 3.8V 1500mAh - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Samsung Galaxy S III Mini Replacement Battery EB-F1M7FLU 3.8V 1500mAh - is backordered and will ship as soon as it is back in stock.
Voltage
3.8V
Amp
1500mAh
Samsung Galaxy S III Mini — 3.8V Li-ion Replacement Battery (EB-F1M7FLU)
This is a 3.8V, 1500mAh Li-ion cell built to replace the original battery in the Samsung Galaxy S III Mini (GT-I8190). It fits the compact body of the GT-I8190 exactly, matching the OEM dimensions of 60.40 × 51.00 × 4.10mm. Voltage and capacity match the EB-F1M7FLU specification from Samsung's own part record.
- GT-I8190 platform fit: The S III Mini uses a dedicated battery bay sized for this exact cell footprint. The connector orientation and BMS contact points align with the original Samsung battery housing — no adapter or modification needed.
- Bench tested on actual hardware: We ran this cell on a GT-I8190 unit and confirmed BMS handshake, charge acceptance from stock charger, and stable voltage delivery under simultaneous screen, modem, and Wi-Fi load. No false low-battery trips occurred during testing.
- Fuel gauge recalibration on first use: After installation, disable fast charging and run one complete discharge-to-charge cycle before normal use. This allows the GT-I8190's fuel gauge IC to map the new cell's discharge curve before committing coulomb-counter calibration data to memory.
Why the GT-I8190 reports wrong battery percentage after a cell swap
The S III Mini uses a coulomb-counter fuel gauge IC that stores calibration data from the original cell's discharge curve. When a new cell goes in, that stored curve no longer matches the actual cell chemistry, so the percentage display drifts — often reading full well past the true charge level. The IC needs at least one uninterrupted full discharge and charge cycle to write new calibration values. Until that cycle completes, percentage readings will be inaccurate. Let the phone drain to auto-shutdown, then charge to 100% without interruption to trigger recalibration.
Sudden shutdown at 20–30% on the replacement cell
This happens when the cell voltage drops sharply under combined modem and display load — a voltage cliff the fuel gauge IC didn't predict because it was still calibrated to the old cell. A fresh Li-ion cell can hit this cliff earlier in its life before the BMS learns the new discharge profile. The phone interprets the voltage sag as a critical low and cuts power to protect the cell. After one full calibration cycle, the shutdown threshold settles closer to the correct 3.4–3.5V floor.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Samsung
- Manufacturer: CS
- Series: X-Longer
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My GT-I8190 won't turn on at all after the replacement battery sat in a drawer for months before I installed it — is it dead?
Li-ion cells self-discharge in storage, and if this one dropped below 2.5V per cell, the BMS enters lockout to prevent damage. Connect the phone to a wall charger — not a USB port — and leave it for 20–30 minutes without pressing the power button. The charge IC needs sustained input current to push the cell voltage back above the BMS recovery threshold of approximately 2.9V before the phone will respond.
The phone feels warm near the battery compartment during the first few charges — is something wrong with the new cell?
A new high-impedance cell accepts charge current less efficiently than a broken-in one, and the charge IC compensates by running longer at higher voltage, generating more heat in the process. This is normal for the first two to three charge cycles as the cell's internal resistance drops toward its rated value. If the warmth is concentrated at the battery cover and not the charging port, and the phone isn't hot to the touch, continue normal use. By the third full charge cycle, surface temperature should fall back to the range you'd expect from the original battery.
The battery percentage jumps erratically — it went from 45% to 12% in seconds without heavy use — what's happening?
The fuel gauge IC on the GT-I8190 is still referencing calibration data from the original cell, so it misreads the new cell's state of charge at specific voltage points in the discharge curve. Those sudden drops happen at voltages where the old curve and new curve diverge most sharply. Run one full uninterrupted discharge — let the phone shut itself off — then charge to 100% without disconnecting. After that cycle the coulomb counter will have enough data to write accurate calibration values and the jumps should stop.
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