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HTC Wizard 100 Replacement Battery WIZA16 3.7V 2800mAh

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From $31.99 USD $39.99
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Fits HTC Wizard 100, Wizard 110, and Wizard 200 smartphones replacing OEM part WIZA16.
3.7V lithium-ion cell with 2800mAh capacity restores full charge cycles to aging Windows Mobile devices.
Connector mates directly to the internal battery slot with single locking tab orientation matching OEM housing.
We bench-tested this cell in a Wizard 100 and confirmed BMS acceptance on first insertion with clean voltage ramp.
On first charge after installation, run one complete discharge-charge cycle without pulling heavy modem or screen load to let the fuel gauge IC recalibrate against the new cell curve.
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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

HTC Wizard 100 / 110 / 200 — 3.7V Li-ion Replacement Battery (WIZA16)

This is a 3.7V 2800mAh Li-ion replacement for the original WIZA16 battery. It fits the HTC Wizard 100, Wizard 110, and Wizard 200 — Windows Mobile smartphones from the mid-2000s that are still actively used and maintained. Drop it in when the original cell no longer holds a useful charge through a working day.

  • Wizard 100, 110, and 200 compatibility: All three models share the same battery bay dimensions, connector pinout, and 3.7V single-cell architecture, which is why one cell covers the full range without modification.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the Wizard platform and confirmed the BMS communicates correctly with the charge IC — no false full signals and no premature cutoff.
  • Fuel gauge recalibration on first install: On first use, run one complete discharge down to automatic shutdown, then charge uninterrupted to 100%. This gives the fuel gauge IC a full reference curve against the new cell before Windows Mobile starts reporting accurate percentages.

Why the Wizard 100 reports wrong battery percentage after a cell swap

The Wizard 100 uses a fuel gauge IC that tracks charge state against a learned discharge curve stored from the previous cell. A new cell has a different internal impedance and capacity, so the stored curve no longer maps correctly. The IC can read 40% remaining on a cell that is actually near depletion. One full discharge-to-shutdown and uninterrupted recharge resets the reference and brings percentage reporting back into alignment.

Sudden shutdown at 20–30% on the replacement cell

This happens because the fuel gauge IC is still calibrated to the old, degraded cell's voltage curve. The new cell has a steeper voltage cliff at low charge, and the device shuts down before the displayed percentage reaches zero. It is not a fault with the replacement cell. Run one full discharge cycle — letting the phone reach automatic shutdown — then charge to 100%, and the reported percentage will track actual remaining capacity correctly from that point.

Compatible Models

Wizard 100 Wizard 110 Wizard 200

Replaces Part Numbers

WIZA16

Technical Specifications

Voltage3.7V
Amp Hours2800mAh
Capacity2800mAh
Rate10.36Wh
Gross Weight100g /3.53 oz
Approximate Weight100g /3.53 oz

Product Highlights

  • Brand: HTC
  • Manufacturer: CS
  • Series: Standard
  • Color: Silver
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My HTC Wizard 100 just shuts off at around 25% battery — is the new cell defective?

It is not a defective cell. The fuel gauge IC in the Wizard 100 is still working from the discharge curve it learned on your old, degraded battery. The new cell's voltage drops faster at the low end than the IC expects, so it triggers shutdown before the displayed percentage hits zero. Run one full cycle — discharge to automatic shutdown, then charge uninterrupted to 100% — and the shutdowns will stop.

The phone won't power on at all after the replacement battery sat in a drawer for a few months before I installed it.

A cell stored partially discharged can drop below 2.5V, which triggers BMS lockout to prevent damage. The device will not power on and may not show a charging indicator. Connect the phone to a wall charger — not a PC USB port — and leave it for 20–30 minutes without pressing anything. Once the cell recovers above 3.0V the BMS releases, the charge IC takes over, and the phone will boot normally.

Windows Mobile is jumping between 60% and 80% every few minutes on the new battery — what's causing that?

The fuel gauge IC is recalibrating against the new cell and hasn't settled on a stable reference point yet. This erratic percentage jumping is normal in the first few charge cycles after a cell swap. It will stabilise after two full discharge-to-shutdown and recharge cycles. Do not interrupt the charge during those first two cycles — a complete, uninterrupted charge is what gives the coulomb counter enough data to lock onto a consistent curve.

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