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BW-A3 226mAh 3.85V Li-ion Polymer replacement battery for Vivo Watch 1 42mm WA2052, front view showing battery surface and small 2-pin connector

BW-A3 226mAh 3.85V Battery for Vivo Watch 1 42mm WA2052 Replacement

Original price was: $26.99.Current price is: $21.99.

🔘 BW-A3 226mAh 3.85V | 🔋 Li-ion Polymer | 📱 For Vivo Watch 1 42mm WA2052

8 in stock

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SKU: BW-A3 Category: Tags: , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

✅ Why Our Warranty Stands Out

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Compare✅ Qingsm Tech⚠️ eBay / AliExpress
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, Czech Republic, Denmark, Estonia, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland, Ukraine$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: New – Factory-tested quality & Warranty

✅ 226mAh High Capacity – Restores full battery life for Vivo Watch 1 42mm

✅ 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

✅ 100% Compatibility Guarantee – If it doesn’t fit, we’ll refund you. No questions asked.

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

Battery model: BW-A3
Typical Capacity: 226mAh (typical) / 0.87Wh
Rated Capacity: 218mAh (minimum) / 0.84Wh
Rated voltage: 3.85V
Charge limit voltage: 4.4V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: Vivo Watch 1 42mm (WA2052) Global Version
Package include: 1 x battery
Restore the reliable battery performance of your Vivo Watch 1 42mm with this BW-A3 226mAh replacement battery. The Vivo Watch 1 42mm (WA2052) features a 1.19-inch AMOLED display with 390×390 resolution, a 316L stainless steel case, and supports magnetic charging at 5W. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 226mAh typical capacity, bringing back the consistent daily endurance your smartwatch was built for. Built with Grade A cells and multi-layer safety protection against overcharge, over-discharge, and short circuits. CE, RoHS, and UN38.3 certified.
Designed for Reliable Daily Use: The 226mAh battery in the Vivo Watch 1 42mm originally provided dependable endurance for continuous heart rate and blood oxygen monitoring, sleep tracking, stress monitoring, GPS/GLONASS/BeiDou/Galileo positioning, music playback, and NFC payments, with up to 9 days of usage in classic scenarios. After years of charging cycles, battery capacity degrades significantly. Common symptoms include: the watch requiring more frequent charging than when new, unexpected shutdowns at 15-20% battery remaining, slower charging than when new, or visible battery swelling. This replacement restores the original endurance, allowing you to continue using your Vivo Watch 1 42mm without interruption. The BW-A3 battery uses advanced high-density cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits Vivo Watch 1 42mm (model WA2052) Global Version only. Please confirm your battery model before ordering — BW-A3 is printed on your original battery. This battery is NOT compatible with Vivo Watch 1 46mm (WA2056), Vivo Watch 2, or other Vivo Watch models. The Vivo Watch 1 42mm uses a specific 226mAh battery with precise dimensions; using a different battery model may cause improper fit, charging issues, or incorrect battery reporting.

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Frequently Asked Questions

The BW-A3 battery for Vivo Watch 1 42mm is compatible with Vivo Watch 1 42mm (model WA2052) Global Version only. If you need a Vivo Watch 1 42mm battery replacement, this BW-A3 226mAh battery is the exact match. For BW-A3 battery for Vivo Watch 1 compatibility, please verify your device model in Settings > About Watch or check the label on your original battery — the model number BW-A3 is printed there. The Vivo Watch 1 42mm features a 1.19-inch AMOLED display and 316L stainless steel case. This battery is NOT compatible with Vivo Watch 1 46mm (WA2056), Vivo Watch 2, or other Vivo Watch models. If your Vivo Watch 1 42mm battery no longer holds charge as it did when new or shuts down unexpectedly, this BW-A3 replacement battery will restore the full performance.

The BW-A3 226mAh battery for Vivo Watch 1 42mm has a typical capacity of 226mAh (0.87Wh) and a rated capacity of 218mAh (0.84Wh), with a rated voltage of 3.85V and a charge limit of 4.4V. This BW-A3 3.85V 226mAh Li-ion Polymer battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. The Vivo Watch 1 42mm battery supports magnetic charging at 5W. For best performance, allow 2-3 full charge cycles after installation to calibrate the battery meter. If your original battery now requires more frequent charging than when new, this replacement will restore the original capacity.

Professional Vivo Watch 1 42mm battery installation is recommended. The Vivo Watch 1 42mm has a sealed design with an internal battery requiring removal of the back cover. To replace Vivo Watch 1 42mm battery BW-A3, the technician must carefully heat the back cover to soften adhesive, pry it open to avoid damaging the AMOLED display or case, disconnect the battery's small 2-pin connector, remove the old battery, and install the new BW-A3 battery before resealing the device. For BW-A3 battery installation Vivo Watch 1 42mm, improper handling can damage the display or compromise the watch's 5ATM water resistance. Third-party repair shops typically charge $15-30 for labor. For Vivo Watch 1 42mm battery health maintenance: 1) Use the original magnetic charging cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the 226mAh cell. 3) Avoid exposing the watch to high temperatures (above 40°C / 104°F), especially while charging. 4) For long-term storage (over 2 months), keep the battery at approximately 40-60% charge. 5) Perform a full calibration cycle after installation: drain the watch until it auto-shuts off, then charge uninterrupted to 100%. For Vivo Watch 1 42mm battery care tips, stop using immediately if the battery shows any swelling.

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