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Alcatel 1T 7" TLP025F7 Replacement Battery 3.85V 2450mAh

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From $26.99 USD $33.99
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Fits Alcatel 1T 7" tablet model OT-8068, replaces TLP025F7, TLP025FA, TLP025FC battery packs.
3.85V lithium-polymer cell rated 2450mAh—delivers the original power output your tablet needs without throttling.
Connector slides straight onto the internal JST receptacle with a single mechanical latch, no adhesive required.
We bench-tested this cell in the OT-8068 dock; BMS accepted the pack on first insertion with no fault codes.
After installation, run one full discharge to automatic shutoff then charge uninterrupted to 100%—this resets the fuel gauge IC calibration against the new cell and resolves the inaccurate percentage display that appears after a swap.
Delivery time

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

Discount: As a thank you for your patience, enjoy 5% off on your order
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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

3.85V

Amp

2450mAh

Alcatel 1T 7" / OT-8068 — 3.85V Li-Polymer Replacement Battery (TLP025F7)

This is a 3.85V, 2450mAh (9.43Wh) lithium-polymer battery for the Alcatel 1T 7" tablet and OT-8068 variant. It replaces OEM parts TLP025F7, TLP025FA, and TLP025FC. If your tablet won't hold a charge, dies unexpectedly, or won't power on at all, this cell is the direct swap.

  • 1T 7" and OT-8068 compatibility: Both models share the same battery bay dimensions, connector pinout, and charge IC handshake. The TLP025F7 family covers all hardware revisions of this tablet — the BMS communicates the same way across each variant.
  • Bench tested on actual hardware: We ran this cell through a full charge and discharge cycle on an OT-8068 unit. The BMS accepted the charge from cold, balanced correctly across the Li-Polymer cell, and the tablet reported capacity without throwing a battery error flag.
  • Post-swap fuel gauge reset: After fitting this battery, run the tablet down to automatic shutoff, then charge it uninterrupted to 100% without using it. The fuel gauge IC was calibrated to your old degraded cell — one full cycle against the new cell corrects the calibration and clears inaccurate percentage readings.

Why the Alcatel 1T 7" shuts down at 15–25% remaining

The 1T 7" drives the display backlight and WiFi radio simultaneously, and that combined load creates a short voltage sag on the battery. When the cell is degraded or freshly installed without calibration, the fuel gauge reads this sag as the battery hitting its cutoff floor and triggers a shutdown. The actual state of charge is higher than the reading — the gauge just hasn't seen a clean voltage curve from the new cell yet. Run one complete discharge-to-shutoff cycle followed by an uninterrupted charge to 100%, and the IC maps the correct voltage floor at approximately 3.4V.

Percentage jumping or dropping fast right after installation

This happens because the fuel gauge IC stores learned capacity data from the old cell and applies it to the new one immediately. The result is a percentage that drops quickly from 100% or jumps several points during light use. It is not a fault with the replacement cell — it is a calibration mismatch. Discharge the tablet fully until it shuts itself off, then charge it in one session to 100% at the standard 5V charge rate to reset the stored capacity map.

Compatible Models

1T 7" OT-8068

Replaces Part Numbers

TLP025F7 TLP025FA TLP025FC

Technical Specifications

Voltage3.85V
Amp Hours2450mAh
Capacity2450mAh
Rate9.43Wh
Net Weight39g /1.38 oz
Gross Weight89g /3.14 oz
Approximate Weight89g /3.14 oz
Dimension 75.84 x 70.00 x 3.10mm

Product Highlights

  • Brand: Alcatel
  • 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 Alcatel 1T 7" shows the wrong battery percentage after I swapped the battery — is something wrong with the new cell?

Nothing is wrong with the cell. The fuel gauge IC on the 1T 7" retains learned data from the old battery and misreads the new cell's voltage curve until recalibrated. Discharge the tablet completely to automatic shutoff, then charge it uninterrupted to 100% in a single session. That one full cycle resets the IC's capacity map against the new cell and corrects the percentage display.

The Alcatel 1T 7" keeps shutting down unexpectedly at around 20% battery — will a new battery fix this?

Yes, in most cases. The shutoff at 15–25% is caused by a voltage sag under the combined load of the display and WiFi radio — a degraded cell sags enough to trigger the BMS cutoff before the battery is actually empty. A new cell at full capacity holds the voltage above the cutoff floor during that load spike. After fitting the replacement, run one full discharge cycle so the gauge IC learns the new cell's actual voltage floor at approximately 3.4V.

Fast charging isn't working on my Alcatel 1T 7" since I replaced the battery — what's causing that?

The charge IC on the 1T 7" negotiates the charge rate during the first accepted charge cycle after a new cell is installed. Until that first cycle completes, the tablet may default to the slower standard charge rate as a precaution. Charge the tablet fully from a low state of charge using the original charger and cable — after one complete accepted cycle, the charge IC re-establishes the correct rate for the new cell.

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Alcatel 1T 7" Replacement Battery, 3.85V, 2450mAh, Li-Polymer 1

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