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Samsung Galaxy S Blaze 4G EB-L1G5HBA 3.7V 1750mAh Battery

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From $24.99 USD $30.99
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Fits Samsung SGH-T769, Galaxy S Blaze 4G, and SGH-i577 — replaces EB-L1G5HBA, EB-L1G5HBABXAR, EB-L1G5HVA.
3.7V 1750mAh lithium-ion cell delivers the capacity original pack did before voltage sag.
Connector slides into the stock battery slot with no modification — standard Samsung phone latch.
Bench testing showed the BMS accepted charge without fault codes on standard 5V input.
On first use after installation, run one complete discharge-charge cycle without fast charging to let the fuel gauge IC recalibrate against this cell's discharge curve.
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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

🔹 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: 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.

Voltage

3.7V

Amp

1750mAh

Samsung SGH-T769 / Galaxy S Blaze 4G — 3.7V Li-ion Replacement Battery (EB-L1G5HBA)

This is a 3.7V 1750mAh Li-ion cell built to the same electrical spec as the original EB-L1G5HBA. It fits the Samsung SGH-T769, Galaxy S Blaze 4G, SGH-i577, and Exhilarate. Swap it when the original cell no longer holds a charge or triggers unexpected shutdowns.

  • SGH-T769 and Blaze 4G platform: These four models share the same battery bay dimensions, connector pinout, and BMS handshake protocol — a single cell covers all of them without modification.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the SGH-T769. The BMS accepted the cell, reported voltage correctly, and thermal behaviour stayed within normal range at full charge current.
  • Fuel gauge recalibration after install: On first use, disable fast charging and run one full discharge down to auto-shutoff, then charge uninterrupted to 100%. This gives the fuel gauge IC one clean cycle to map the new cell's discharge curve before taking readings it will report to the OS.

Why the SGH-T769 reports wrong battery percentage after a cell swap

The phone's fuel gauge IC stores a charge curve calibrated to the original cell. When you install a new cell, the IC still references that old curve, so the percentage readout drifts — often reading higher or lower than actual charge state. This is not a fault in the replacement cell. One complete discharge-to-shutoff followed by an uninterrupted charge to 100% resets the coulomb counter against the new cell's actual capacity. After that cycle, percentage reporting stabilises.

Sudden shutdown at 20–30% on the replacement cell

The SGH-T769 draws a sharp current spike when the modem transmits or the screen brightness jumps. If the fuel gauge IC is still uncalibrated after a cell swap, it can report 25% while the actual cell voltage has already dropped near the BMS cutoff threshold of around 3.0V. The BMS trips and the phone shuts off — not because the cell is faulty, but because the gauge and the cell are out of sync. Run the full recalibration cycle first: discharge fully to auto-shutoff, then charge straight to 100% without interruption.

Compatible Models

SGH-T769 Galaxy S Blaze 4G SGH-i577 Exhilarate

Replaces Part Numbers

EB-L1G5HBA EB-L1G5HBABXAR EB-L1G5HVA

Technical Specifications

Voltage3.7V
Amp Hours1750mAh
Capacity1750mAh
Rate6.48Wh
Net Weight36g /1.27 oz
Gross Weight61g /2.15 oz
Approximate Weight61g /2.15 oz
Dimension 65.00 x 48.00 x 5.00mm

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 Galaxy S Blaze 4G won't turn on after the replacement battery sat in a drawer for a few months — is the cell dead?

Likely not dead, but the BMS has locked out the cell after voltage dropped below approximately 2.5V during storage. Plug the phone into a wall charger — not a USB port — and leave it for 20–30 minutes without pressing the power button. The charge IC needs to trickle current into the cell before the BMS will re-engage. Once the battery icon appears on screen, the cell has recovered enough voltage to accept a normal charge.

Fast charging stopped working the first time I plugged in the new EB-L1G5HBA — is something wrong with the charger?

Nothing is wrong with the charger. On the first cycle, the BMS on a new cell has not yet validated the handshake with the phone's charge IC, so the system falls back to standard charge current as a precaution. Let the phone complete one full charge at standard current, then unplug and discharge to auto-shutoff. On the second charge cycle the fast-charge protocol should re-negotiate correctly.

The phone feels warm near the battery compartment while charging the new cell — is that normal?

A new high-impedance cell generates slightly more heat during the first few charge cycles than a broken-in cell does. This is normal as long as the phone stays warm, not hot. If the back of the device becomes uncomfortable to hold, the charge IC may be pushing current into a cell whose internal resistance hasn't settled yet — let the first charge complete on a flat surface with nothing covering the phone, and the heat should reduce noticeably by the second or third cycle.

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