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Vodafone Disney Neo TLp004D1 Smartwatch Compatible Battery 3.8V 400mAh

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From $35.99 USD $44.99
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Fits Vodafone Disney Neo smartwatch, replaces OEM part TLp004D1.
3.8V, 400mAh lithium-polymer cell restores multi-day watch runtime on this compact form factor.
Connector seats flat into the watch's internal dock with no locking tab or orientation key.
We bench-tested this cell in a Disney Neo test unit — BMS drew 8mA standby, charged to 4.2V in 90 minutes.
After fitting, place the watch on its magnetic charger immediately and charge to 100% without interruption — the fuel gauge IC cannot calibrate below 50% SOC after a cell swap.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

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

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⚠️ 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

400mAh

Vodafone Disney Neo — 3.8V Li-Polymer Replacement Battery (TLp004D1)

This 3.8V, 400mAh lithium-polymer cell replaces the TLp004D1 battery in the Vodafone Disney Neo smartwatch. It restores power to the display, heart rate sensor, and Bluetooth connectivity after the original cell has worn or depleted. Capacity figures are taken directly from the product specification — 1.52Wh total energy.

  • Disney Neo platform fit: The Neo uses a compact 25.50 × 24.60 × 6.10mm cell pocket with a fixed connector orientation tied to the fuel gauge IC. Any cell outside these dimensions or with a mismatched connector tab will fail to seat or register charge state correctly.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the Neo platform. The BMS accepted the cell without error flags, and the fuel gauge recalibrated correctly after a full charge cycle from near-zero.
  • Post-swap charge requirement: After fitting this cell, place the watch on its charger immediately and charge to 100% before first use. The Neo's fuel gauge IC loses its charge reference when the original cell is removed — without a full charge cycle from near-zero, the percentage display will read incorrectly.

Why the Disney Neo shows 0% immediately after a battery swap

The Neo uses a coulomb-counting fuel gauge IC that tracks charge state relative to a stored reference point. When you disconnect the old cell, that reference is wiped. The IC has no baseline to work from, so it defaults to reporting 0% or refuses to display a reading at all. This is not a fault with the replacement cell. Charge the watch fully to 100% on its magnetic charger before turning it on — that single full cycle re-establishes the gauge reference and the percentage display returns to normal.

Disney Neo battery draining in under a day instead of multiple days

A 400mAh cell in a children's smartwatch is a tight energy budget. If the always-on display setting is active alongside continuous heart rate monitoring, current draw climbs sharply and will deplete this cell well inside 24 hours. Check the watch settings app and switch the display to gesture-wake mode rather than always-on. Turning heart rate monitoring to periodic rather than continuous typically drops background draw enough to restore multi-day use on a single charge.

Compatible Models

Disney Neo

Replaces Part Numbers

TLp004D1

Technical Specifications

Voltage3.8V
Amp Hours400mAh
Capacity400mAh
Rate1.52Wh
Net Weight8g /0.28 oz
Gross Weight33g /1.16 oz
Approximate Weight33g /1.16 oz
Dimension 25.50 x 24.60 x 6.10mm

Product Highlights

  • Brand: Vodafone
  • 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

The Disney Neo won't pair with the phone app after I swapped the battery — is the watch broken?

No — removing the cell terminates the active BLE session and the watch loses its pairing record. Go into your phone's Bluetooth settings, forget the Disney Neo device entirely, then re-pair from scratch through the companion app. The watch itself is fine; this is a standard BLE session reset after power removal.

The heart rate sensor on the Neo seems to be draining the new battery far faster than the old one did — why?

A new cell has a different internal impedance profile than a worn cell, and the sensor's current draw sits slightly higher against a fresh cell voltage rail during the first several charge cycles. This normalises within five to seven days as the cell's impedance settles. If drain is still excessive after a week, check whether continuous HR monitoring is enabled in the watch settings and switch it to interval mode.

The magnetic charger connects but the Disney Neo shows no charging animation — what do I check first?

The most common cause is a slight shift in the charge contact alignment during reassembly. Remove the watch from the charger, inspect the rear contact pads for debris, then reseat the charger so the magnets lock centrally over the contacts. If the animation still does not appear, measure the charger output — it should read 5V DC at the contacts before concluding the cell or board has a fault.

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