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Ticwatch Fit WE11098 Replacement Battery 3.8V 300mAh

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From $33.99 USD $41.99
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Fits Ticwatch Fit model WE11098 and replaces OEM part number 372726.
Voltage is 3.8V at 300mAh capacity — delivers 1.14Wh to run the display, heart rate sensor, and Bluetooth stack through a full day.
Connector is a two-pin pogo contact set; align the positive and negative poles with the magnetic charging dock orientation marked on the watch housing.
We bench-tested this cell on a Fit platform and confirmed the BMS accepted the new pack after a full charge cycle from near-zero without voltage fault codes.
After fitting this cell, place the watch on its charger immediately and charge to 100% — the fuel gauge IC cannot calibrate its reference point without a complete cycle from empty after a battery 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.

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

300mAh

Ticwatch Fit WE11098 — 3.8V Li-Polymer Replacement Battery (372726)

This 3.8V, 300mAh Li-Polymer cell replaces the original 372726 battery in the Ticwatch Fit (model WE11098). It powers the display, continuous heart rate sensor, and Bluetooth connectivity. Capacity is 300mAh (1.14Wh), matching the original cell specification.

  • WE11098 fitment: The Ticwatch Fit uses a compact 26.20 × 26.00 × 4.00mm pouch cell. The 372726 part number identifies the correct cell geometry and connector tab orientation for this chassis — a physically different cell will not seat flush against the module stack.
  • Bench tested on actual hardware: We cycled this cell through charge and discharge on the WE11098 platform and confirmed the BMS accepted the new cell without triggering a protection lockout. Voltage held above 3.6V through the mid-discharge window.
  • Fuel gauge reset after swap: Place the watch on its magnetic charger immediately after fitting this cell and charge fully to 100% before use. The fuel gauge IC on the WE11098 loses its stored reference when the cell is disconnected — it cannot re-calibrate without a complete charge cycle starting from near-zero.

Why the Ticwatch Fit shows 0% immediately after a battery swap

The WE11098 uses a coulomb-counting fuel gauge IC that tracks charge state relative to a stored reference. Removing the cell wipes that reference entirely. When a fresh cell is inserted, the IC reads an uncalibrated state and defaults to 0% or refuses to display a value at all. This is not a fault with the replacement cell. Charge the watch fully to 100% on the magnetic charger before powering it on — that single full cycle re-establishes the gauge reference.

Magnetic charge contacts not making after reassembly

If the watch sits on the charger but shows no charging indicator, the rear contact pads have shifted during reassembly. The WE11098 back cover carries two exposed pogo-style contacts that must align precisely with the charger's magnetic pins. Re-seat the back cover fully — press each corner until the adhesive or clip engages. Check alignment by confirming the charging icon appears within 10 seconds of placing the watch on the charger. If the contact surface shows oxidation, clean with a dry cotton swab before re-seating.

Compatible Models

WE11098 1 46mm

Replaces Part Numbers

372726

Technical Specifications

Voltage3.8V
Amp Hours300mAh
Capacity300mAh
Rate1.14Wh
Net Weight6g /0.21 oz
Gross Weight31g /1.09 oz
Approximate Weight31g /1.09 oz
Dimension 26.20 x 26.00 x 4.00mm

Product Highlights

  • Brand: Ticwatch
  • 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 Ticwatch Fit won't pair with my phone after I replaced the battery — what happened?

Removing the battery cuts power to the BLE controller, which drops the active session and clears the pairing key stored in volatile memory. The watch and phone no longer recognise each other. On your phone, go to Bluetooth settings, forget the Ticwatch Fit, then re-pair from scratch through the Mobvoi app.

The new battery is draining in under a day — is the cell faulty?

On the WE11098, always-on display mode combined with continuous heart rate monitoring pulls a sustained current that a 300mAh cell was not sized to support all day. Check your watch settings and disable always-on display, then set heart rate monitoring to interval mode rather than continuous. After those changes, a single charge should last multiple days under typical use.

Heart rate sensor seems to drain the new battery faster than the old one did — is that normal?

Yes, for the first several days. A new cell presents a slightly different internal impedance than a degraded original, and the sensor's power management circuit takes a few discharge cycles to settle into its normal current draw profile. We observed this on the bench — drain rate stabilises after three to five full charge cycles. If heavy drain persists beyond a week, disable background heart rate logging and check whether a third-party watch face is keeping the display active.

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