Samsung GT-I8700 Replacement Battery EB504465VU 3.7V 2400mAh
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Samsung GT-I8700 Replacement Battery EB504465VU 3.7V 2400mAh - 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 GT-I8700 Replacement Battery EB504465VU 3.7V 2400mAh - is backordered and will ship as soon as it is back in stock.
Voltage
3.7V
Amp
2400mAh
Samsung GT-I8700 Omnia 7 — 3.7V Li-ion Replacement Battery (EB504465VU)
This is a 3.7V, 2400mAh Li-ion battery for the Samsung GT-I8700 and Omnia 7 smartphones. It replaces OEM part numbers EB504465VU, EB504465VJ, and EB504465VUBSTD. Swap it in when the original cell no longer holds a charge or the phone shuts down unexpectedly under load.
- GT-I8700 and Omnia 7 fitment: Both handsets share the same battery bay dimensions, connector pinout, and 3.7V nominal voltage rail. One cell fits both because the BMS communication protocol and physical form factor — 64.34 × 43.78 × 10.15mm — are identical across the two models.
- Bench tested on actual hardware: We cycled this cell through charge and discharge on the GT-I8700 platform. The BMS accepted the cell without error flags, charge termination triggered correctly at full voltage, and the protection circuit responded to overcurrent as expected.
- Fuel gauge recalibration on first cycle: On first use after installation, disable fast charging and run one full discharge-to-charge cycle. This lets the fuel gauge IC map the new cell's discharge curve before high-current charging is applied to an uncalibrated cell — otherwise percentage readings will drift.
Why the GT-I8700 reports wrong battery percentage after a cell swap
The Omnia 7's fuel gauge IC stores a learned discharge curve from the old cell. When a new cell goes in, that stored model no longer matches the actual cell chemistry. The IC reads voltage and estimates charge state against the wrong curve, so displayed percentage is inaccurate — sometimes by 10–20 points. One full discharge down to auto-shutoff, followed by an uninterrupted charge to 100%, forces the coulomb counter to reset and relearn against the new cell. After that cycle, percentage accuracy returns to normal.
Sudden shutdown at 20–30% on the replacement cell
This happens when the cell voltage drops sharply under the combined load of the modem radio, screen, and processor — a voltage cliff the fuel gauge IC didn't predict. The phone reads 25% available but the cell voltage collapses below the BMS cutoff threshold the moment current draw spikes. It isn't a faulty cell — it's an uncalibrated fuel gauge overestimating remaining charge at mid-range. Run the recalibration cycle described above; after one full discharge-charge pass the IC tracks the cliff correctly and shuts down closer to 5–8%.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Samsung
- Manufacturer: CS
- Series: Extension
- Color: Purple
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The Omnia 7 won't power on after sitting in a drawer for months — is the new battery dead already?
No — the BMS has most likely locked out the cell after it discharged below 2.5V during storage. Connect the phone to a wall charger and leave it for 20–30 minutes without attempting to power it on; the charge IC needs to trickle current into the cell before the BMS will release its protection latch. Once the BMS unlocks, the charging indicator will appear on screen. If nothing appears after 45 minutes, try a second wall adapter to rule out a cable or adapter fault before concluding the cell is damaged.
Fast charging stopped working after I fitted the new battery — the phone only charges slowly now.
On the first charge cycle after a cell swap, the BMS on the replacement cell may not immediately complete the handshake required for the higher charge rate. The phone defaults to standard charge current as a safety measure while the charge IC assesses the new cell's impedance. Charge fully at the slow rate once, then disconnect and reconnect the charger — fast charge typically resumes from the second cycle onward. If it still doesn't activate, check that the charger outputs at least 1A; the Omnia 7's fast charge path requires adequate adapter current to negotiate the higher rate.
The battery percentage on my GT-I8700 keeps jumping around erratically — 60% one minute, 45% the next.
The fuel gauge IC is recalibrating against the new cell's discharge curve and hasn't settled yet. This is normal for the first two or three charge cycles after a replacement. The IC uses a coulomb counter combined with a voltage lookup table; until those two sources agree on the new cell's characteristics, the displayed figure oscillates. Run two full discharge-to-charge cycles without interruption — discharge until auto-shutoff, then charge uninterrupted to 100% — and the percentage will stabilise.
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