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HB532729ECW 455mAh 3.82V Li-ion Polymer replacement battery for Huawei Watch GT2 Pro 46MM, front view showing battery surface and flex cable connector

HB532729ECW 455mAh 3.82V Battery for Huawei Watch GT2 Pro 46MM Replacement

Original price was: $19.99.Current price is: $14.99.

🔘 HB532729ECW 455mAh 3.82V | 🔋 Li-ion Polymer | ⌚ For Huawei Watch GT2 Pro 46MM Smartwatch

8 in stock

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📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

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Warranty Period90 days from delivery15-30 days from order confirmation
When It Starts📦 Upon delivery⚠️ Upon order confirmation (even before you receive it)
Claims HandlingWe do it directly — email usAutomated dispute system, seller dependent
After Window ExpiresStill can contact us for supportNo recourse, seller can ignore you

🔋 90-day warranty is the industry standard for replacement batteries. Batteries naturally lose capacity over time — this normal wear is not covered. Warranty applies to manufacturing defects only.

📦 Shipping Cost & Delivery Time (Economy Shipping from China)

📦 Note: Batteries are classified as hazardous goods and must be shipped via specialized channels, which may take slightly longer than standard couriers. Delivery times are estimates and may be affected by customs, weather, or other unforeseen circumstances. If your country is not listed in the table below, we are currently unable to ship batteries to that destination.

DestinationFreight (USD)Est. Delivery Time
United States$7.808–15 days
Canada$6.8018–30 days
Mexico$10.0030–60 days
Germany, France, United Kingdom, Greece$6.5018–30 days
Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland$8.0018–30 days
Croatia, Finland, Lithuania, Latvia, Slovenia$8.0030–50 days
Bulgaria, Romania$14.0030–50 days
South Korea, Japan, Australia, New Zealand, Israel, Malaysia, Singapore, Thailand, Philippines, Kazakhstan$7.5018–30 days
United Arab Emirates, Saudi Arabia, Vietnam, Chile, Peru, Colombia, Brazil$18.0025–60 days

🇧🇷 Note for Brazil: Brazilian customs can occasionally cause delays of up to 80 days or more. And please indicate the recipient's CPF, as it is required for Brazilian customs and shipping. Thanks! We appreciate your understanding.

🇪🇺 Note for EU countries: Due to new EU customs regulations effective July 1, 2026, a flat tariff fee of $4.00 (approx. €3.50) applies to shipments to EU countries. This fee covers customs tariff, handling, and payment processing costs, and will be added at checkout. Thank you for your understanding.

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Description

✅ Condition: Brand New – Never used, factory-tested quality

✅ 455mAh High Capacity – Restores full battery life for Huawei Watch GT2 Pro 46MM

✅ CE / RoHS / UN38.3 Certified

✅ 90-Day Warranty from delivery – Longer coverage than major platforms

✅ Ships in 3-7 days with tracking

🛡️ Shipping Protection Available at Checkout

✅ PayPal Buyer Protection included

⚠️ Low Stock Alert: Only 8 left in stock. Order now to avoid waiting.

Battery model: HB532729ECW
Capacity: 455mAh / 1.74Wh
Rated voltage: 3.82V
Charge limit voltage: 4.4V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: Huawei Watch GT2 Pro 46MM, Huawei Watch GT2 46MM (LTN-B19, DAN-B19), Huawei Watch GT3 46MM, Honor Magic Watch 2 46MM
Package include: 1 x battery
Revive your Huawei Watch GT2 Pro with this HB532729ECW 455mAh replacement battery. Released in 2020, the Huawei Watch GT2 Pro is a premium smartwatch featuring a 1.39-inch AMOLED display with sapphire glass, titanium bezel, ceramic back, 5 ATM water resistance, and up to 14 days of battery life in typical use. The watch supports 100+ workout modes, SpO2 monitoring, heart rate tracking, sleep analysis, and GPS. After 2-3 years of daily charging, the original battery capacity has likely degraded significantly. This Li-ion Polymer battery restores the full 455mAh capacity, bringing back the original battery life of the GT2 Pro. Built with grade A cells, dual IC protection, and multi-layer safety protection against overcharge, over-discharge, and short circuits[reference:0][reference:1]. CE, RoHS, and UN38.3 certified.
Why This Battery Replacement Matters for GT2 Pro Users: The Huawei Watch GT2 Pro is designed for users who value premium materials and week-long battery life. The 455mAh battery originally provided approximately 14 days of typical use, 5 days of heavy use, and 30 hours of continuous GPS tracking. However, after years of daily charging cycles, the original battery degrades significantly. Common symptoms include: the watch needing charging every 2-3 days instead of weekly, battery draining during GPS workouts, sudden shutdowns at 15-20%, or the watch only working when connected to the charger. This replacement restores the original battery life, saving you from buying a new smartwatch. The HB532729ECW battery is compatible with the original wireless charging cradle — simply place the watch on the charger after replacement. Due to the watch’s sealed design, the battery is not user-replaceable without special tools and professional installation is strongly recommended[reference:2].
Compatibility Note: Fits Huawei Watch GT2 Pro 46MM, Huawei Watch GT2 46MM (LTN-B19, DAN-B19), Huawei Watch GT3 46MM, and Honor Magic Watch 2 46MM[reference:3][reference:4]. This battery is NOT compatible with Huawei Watch GT2 42MM (which uses a different battery model HB472023ECW[reference:5]), Huawei Watch GT2e, Huawei Watch 3 (non-Pro, 46MM), or Huawei Watch GT2 Pro 42MM. Always check your original battery before purchasing — HB532729ECW is printed on the original battery.

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Frequently Asked Questions

The HB532729ECW battery for Huawei Watch GT2 Pro is compatible with Huawei Watch GT2 Pro 46MM, Huawei Watch GT2 46MM (LTN-B19, DAN-B19), Huawei Watch GT3 46MM, and Honor Magic Watch 2 46MM. If you need a Huawei Watch GT2 Pro battery replacement for 46MM or a Huawei Watch GT2 46MM battery replacement for LTN-B19, this HB532729ECW 455mAh battery is the correct match. The Huawei Watch GT2 Pro features a 1.39-inch AMOLED display with sapphire glass, titanium bezel, and 5 ATM water resistance. For HB532729ECW battery for Huawei Watch GT2 Pro compatibility, please verify your watch model in the Huawei Health app settings. This battery is NOT compatible with Huawei Watch GT2 42MM (uses HB472023ECW), Huawei Watch GT2e, Huawei Watch 3, or Huawei Watch GT2 Pro 42MM. If your GT2 Pro battery drains quickly or won't hold a charge, this HB532729ECW replacement battery will restore full performance.

The HB532729ECW 455mAh battery for Huawei Watch GT2 Pro has a typical capacity of 455mAh (1.74Wh) and a rated voltage of 3.82V, with a charge limit of 4.4V[reference:6]. This HB532729ECW 3.82V 455mAh Li-ion Polymer battery is built with grade A cells, features dual IC protection for safety, and is CE, RoHS, and UN38.3 certified[reference:7][reference:8]. For Huawei Watch GT2 Pro battery life after replacement, expect approximately 14 days of typical use, 5 days of heavy use, and 30 hours of continuous GPS tracking. The GT2 Pro 455mAh battery performance is optimized for the watch's 1.39-inch AMOLED display and health tracking features. Charging the GT2 Pro battery takes approximately 1.5-2 hours using the original magnetic wireless charging cradle — using a non-Huawei charger may increase charging time or cause issues[reference:9]. For best performance, allow 2-3 full charge cycles after installation to calibrate the battery meter. If your original battery now requires charging every 2-3 days or drains during workouts, this replacement will restore the original battery life.

Professional Huawei Watch GT2 Pro battery installation is strongly recommended. The GT2 Pro has a sealed design with the battery glued to the chassis, requiring heating to soften adhesive. To replace Huawei Watch GT2 Pro battery 46MM, the technician must carefully open the watch case without damaging the AMOLED display or the glass back, disconnect the battery connector (small 2-pin flex cable), remove the old battery, and install the new HB532729ECW battery before resealing with waterproof adhesive. For HB532729ECW battery installation Huawei Watch GT2 Pro, the watch's 5 ATM water resistance must be restored after battery replacement. Third-party repair shops with smartwatch experience typically charge $30-50 for this service. For Huawei Watch GT2 Pro battery health maintenance: 1) Avoid completely draining the battery regularly — keep above 20% when possible. 2) Use only the original magnetic wireless charging cradle that came with the watch[reference:10]. 3) Avoid exposing the watch to high temperatures (above 40°C / 104°F) during charging. 4) For long-term storage (over 2 months), keep the battery at approximately 60% charge. 5) Perform a full calibration cycle after installation: drain the watch until it powers off, then charge uninterrupted to 100%. For GT2 Pro battery care tips, stop using immediately if the battery shows any swelling — a swollen battery in a sealed smartwatch can damage the display and back cover.

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