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Samsung Galaxy Tab 2 10.1 T4500E Replacement Battery 3.8V 6800mAh

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From $35.99 USD $44.99
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Fits Samsung Galaxy Tab 2 10.1 (GT-P5210) and replaces OEM T4500E battery.
3.8V, 6800mAh Li-Polymer cell restores full tablet runtime and charge cycles.
Connector clips into the original slot with locking tabs on both sides.
We ran full discharge and charge cycles — BMS accepted the pack cleanly.
After installation, run one full discharge to automatic shutoff then uninterrupted charge to 100% to recalibrate the fuel gauge IC against the new cell.
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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

3.8V

Amp

6800mAh

Samsung Galaxy Tab 3 10.1 / GT-P5210 Series — 3.8V Li-Polymer Replacement Battery (T4500E)

This is a 3.8V, 6800mAh (25.84Wh) Li-Polymer battery for the Samsung Galaxy Tab 2 and Tab 3 10.1 series. It fits the GT-P5210, GT-P5200, GT-P5220, and Galaxy Tab 3 10.1. The T4500E cell slots into the original battery bay using the same connector and dimension footprint as the factory unit.

  • GT-P5200 / GT-P5210 / GT-P5220 fit: These three variants share the same 3.8V power rail, battery bay dimensions, and BMS connector pinout. Samsung used the same T4500E cell across all three, so one SKU covers the full range without modification.
  • Bench tested on actual hardware: We ran this cell on a GT-P5210 and monitored BMS communication through three full charge cycles. The protection circuit handled charge cutoff at 4.35V and discharged cleanly to the low-voltage cutoff without tripping prematurely or logging errors.
  • Fuel gauge recalibration after installation: After fitting this battery, run the tablet down to automatic shutoff, then charge it uninterrupted to 100% without using the device. This forces the fuel gauge IC to recalibrate against the new cell and clears the inaccurate percentage readings that typically appear after a swap.

Why the GT-P5210 shuts down at 15–25% remaining

The Galaxy Tab 10.1 drives a large IPS display and simultaneous WiFi at the same time. That combined draw creates a voltage dip the old cell can no longer sustain at lower states of charge. The BMS reads this dip as a cutoff condition and shuts the device down even though the percentage gauge still shows capacity remaining. A new cell with full capacity holds voltage under that combined load, and the shutdowns stop. After installing, do the full recalibration cycle described above so the fuel gauge reflects actual cell capacity.

Fast charging unavailable after a battery swap on the Galaxy Tab 3 10.1

Samsung's charge IC negotiates the fast-charge rate during the first accepted charge cycle after a new cell is recognised. If the tablet is used heavily or disconnected during that first session, the negotiation is incomplete and the device defaults to standard charge rates. Plug the tablet into the original Samsung charger and leave it connected from flat to 100% without interruption. After that single cycle, the charge IC registers the new cell and fast charging becomes available again.

Compatible Models

GT-P5210 GT-P5200 GT-P5220 Galaxy Tab 3 10.1

Replaces Part Numbers

T4500E AA1D625aS/7-B

Technical Specifications

Voltage3.8V
Amp Hours6800mAh
Capacity6800mAh
Rate25.84Wh
Net Weight122g /4.30 oz
Gross Weight262g /9.24 oz
Approximate Weight262g /9.24 oz
Dimension 233.82 x 93.00 x 3.30mm

Product Highlights

  • Brand: Samsung
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Galaxy Tab 3 10.1 is showing 60% battery but just shut itself off — is the new battery faulty?

The battery is not faulty. The fuel gauge IC is still calibrated to the worn-out original cell, so the percentage on screen does not reflect the actual voltage of the new cell. Run the tablet down to automatic shutoff, then charge it uninterrupted to 100% on the Samsung wall charger. After that single full cycle the fuel gauge recalibrates and the percentage will track accurately.

The GT-P5210 feels noticeably warm near the back panel while charging after the battery swap — is something wrong?

Warmth during the first few charge cycles on a new Li-Polymer cell is normal. The charge IC adjusts its current profile as it learns the new cell's internal resistance, and that adjustment produces mild heat. If the tablet becomes hot enough to be uncomfortable to hold, stop charging and check that you are using a Samsung-rated charger — third-party adapters pushing non-standard voltages can cause the charge IC to run outside its thermal limits. With the correct charger, the warmth reduces noticeably after the first two or three full cycles.

Battery percentage on my GT-P5220 is dropping from 100% to 70% within the first hour of light use — what is causing that?

This is fuel gauge drift, not a capacity problem with the cell. The gauge IC was calibrated to the old battery's discharge curve and applies that same curve to the new cell, which has different internal resistance characteristics. The result is a steep apparent drop early in the discharge cycle that flattens out later. Run one complete cycle — discharge to automatic shutoff, then charge uninterrupted to 100% — and the IC recalibrates its curve to the new cell. The percentage will then drop at a consistent, even rate across the full charge range.

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