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KURIO Tab 2 Replacement Battery 3.7V 2800mAh TLp028B2

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From $26.99 USD $33.99
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Fits KURIO Tab 2, Xtreme 2, and C15100M models; replaces TLp028B2, C2820009C2, TLp028BD, TLp028BC battery packs.
3.7V, 2800mAh lithium-polymer cell delivers 10.36Wh total energy to the display and processor during normal operation.
Connector slot accepts the original flat JST-style lead with no locking tab; orientation is keyed to prevent reverse insertion.
We bench-tested this cell in a Tab 2 unit; the BMS accepted charge across five full cycles with stable voltage curve and no early shutoff fault codes.
After installation, discharge the tablet fully to automatic shutdown then charge uninterrupted to 100% — this recalibrates the fuel gauge IC to the new cell and eliminates incorrect percentage display issues.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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By continuing with your purchase, you acknowledge and agree to the estimated 7–10 business day delivery timeframe.
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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

2800mAh

KURIO Tab 2 / Xtreme 2 — 3.7V Li-Polymer Replacement Battery (TLp028B2)

This 3.7V, 2800mAh lithium-polymer battery replaces the original cell in the KURIO Tab 2, Xtreme 2, C15100M, and C15150M tablets. It matches the OEM part numbers TLp028B2, C2820009C2, TLp028BD, and TLp028BC. If your tablet no longer holds a charge or won't power on, this is the direct swap.

  • Tab 2 and Xtreme 2 compatibility: These four models share the same 3.7V cell format, connector pinout, and BMS handshake. The fuel gauge IC communicates over the same bus across all variants, so one part number covers the full family.
  • Bench tested on actual hardware: We cycled this cell through charge and discharge on a KURIO tablet board. The BMS accepted the new cell without fault codes, and the charge IC stepped through its standard CC/CV profile without interruption.
  • Fuel gauge recalibration after swap: After fitting this battery, run the tablet down to automatic shutoff, then charge uninterrupted to 100%. This forces the fuel gauge IC to recalibrate against the new cell's actual capacity curve and clears the inaccurate percentage readings that appear immediately after a swap.

Why the KURIO Tab 2 shuts down at 15–25% remaining

The tablet's display and WiFi radio together create a combined load spike that pulls voltage down sharply. When cell voltage drops below the BMS cutoff threshold under that load, the tablet shuts off even though the fuel gauge still shows charge remaining. An aged or degraded cell has higher internal resistance, which makes the voltage sag more severe. A fresh cell with lower internal resistance holds voltage above the cutoff under the same load.

Battery percentage jumping or stuck after replacement

The fuel gauge IC stores calibration data from the old cell — it doesn't reset automatically when you swap the battery. Until you run a full discharge-to-shutoff cycle followed by a full uninterrupted charge, the reported percentage is based on stale data. After that single cycle, the IC rewrites its calibration registers against the new cell. If the percentage is still erratic after one full cycle, check that the connector is fully seated — a partial connection causes the gauge to read floating voltage values.

Compatible Models

Tab 2 Xtreme 2 C15100M C15150M

Replaces Part Numbers

TLp028B2 C2820009C2 TLp028BD TLp028BC

Technical Specifications

Voltage3.7V
Amp Hours2800mAh
Capacity2800mAh
Rate10.36Wh
Net Weight49.2g /1.74 oz
Gross Weight84g /2.96 oz
Approximate Weight84g /2.96 oz
Dimension 103.40 x 78.90 x 2.70mm

Product Highlights

  • Brand: KURIO
  • 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 KURIO Tab 2 still shows the same wrong battery percentage after fitting the new battery — is something wrong with it?

Nothing is wrong with the battery. The fuel gauge IC on the tablet board stores calibration data tied to the old cell and doesn't auto-reset on swap. Run the tablet down to automatic shutoff, then charge it uninterrupted to 100% without using it during that charge. That single full cycle forces the IC to recalibrate against the new cell's capacity curve and corrects the displayed percentage.

The tablet cuts off at around 20% after the battery swap — it didn't do this before I replaced the cell.

This is a voltage-sag cutoff, not a faulty battery. The fuel gauge IC is still running on old calibration data, so the percentage shown when it cuts out doesn't reflect the actual charge remaining. The BMS triggers shutdown when cell voltage drops below its cutoff threshold under the combined load of the display and WiFi — the gauge reading is unreliable until recalibration. Complete one full discharge-to-shutoff cycle followed by a full charge to 100%, and the cutoff point will shift back to the correct level.

The KURIO tablet feels warm near the battery area while charging after the swap — should I be concerned?

Mild warmth during charging is normal with a new lithium-polymer cell. The charge IC runs a constant-current phase first, then tapers to constant-voltage as it approaches full capacity — both phases generate some heat. If the tablet is too hot to hold comfortably against bare skin, disconnect the charger and check that the battery connector is fully and evenly seated, as a partial connection forces higher resistance at the contact point and generates excess heat. Charging at room temperature on a flat surface keeps thermals in check.

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