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B-X1 4700mAh 7.78V Li-ion Polymer replacement battery for Vivo X90 Pro V2242A, front view showing dual-cell battery assembly and small 2-pin connector

B-X1 4700mAh 7.78V Battery for Vivo X90 Pro V2242A Replacement

Original price was: $41.99.Current price is: $35.99.

🔘 B-X1 4700mAh 7.78V | 🔋 Li-ion Polymer | 📱 For Vivo X90 Pro V2242A

8 in stock

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SKU: B-X1 Category: Tags: , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

✅ Why Our Warranty Stands Out

Unlike marketplace sellers with short buyer protection windows, we handle claims directly — no automated disputes, no endless back-and-forth.

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

✅ 4700mAh High Capacity – Restores full battery life for Vivo X90 Pro

✅ 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: B-X1
Rated Capacity: 2300mAh × 2 (7.78V) / 4600mAh equivalent (3.89V) / 17.90Wh
Typical Capacity: 2350mAh × 2 (7.78V) / 4700mAh equivalent (3.89V) / 18.29Wh
Rated voltage: 7.78V (dual-cell series configuration)
Charge limit voltage: 4.45V per cell
Battery type: Li-ion Polymer (Grade A cells, dual-cell configuration)
Compatible with: Vivo X90 Pro (V2242A / V2219 / V2221)
Package include: 1 x battery
Restore the reliable battery performance of your Vivo X90 Pro with this B-X1 4700mAh replacement battery. The Vivo X90 Pro features a 6.78-inch AMOLED display with 120Hz refresh rate and is powered by the MediaTek Dimensity 9200 flagship platform. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 4700mAh equivalent capacity (2350mAh × 2 dual-cell configuration), bringing back the consistent daily endurance your device 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 Vivo X90 Pro uses a dual-cell battery system with two 2350mAh cells in series, providing a combined 4700mAh equivalent capacity at 3.89V (7.78V rated voltage). This configuration supports 120W wired FlashCharge and 50W wireless FlashCharge for rapid recharging. After years of charging cycles, battery capacity degrades significantly. Common symptoms include: the device 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 X90 Pro without interruption. The B-X1 battery uses advanced high-density cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits Vivo X90 Pro (models V2242A, V2219, V2221) only. Please confirm your battery model before ordering — B-X1 is printed on your original battery. The Vivo X90 Pro uses a dual-cell battery design with two 2350mAh cells in series. This battery is NOT compatible with Vivo X90, Vivo X90 Pro+, Vivo X100 series, or other Vivo models. Using a different battery model may cause improper fit, charging issues, or incorrect battery reporting.

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Frequently Asked Questions

The B-X1 battery for Vivo X90 Pro is compatible with Vivo X90 Pro (models V2242A, V2219, V2221) only. If you need a Vivo X90 Pro battery replacement, this B-X1 4700mAh battery is the exact match. For B-X1 battery for Vivo X90 Pro compatibility, please verify your device model in Settings > About Phone or check the label on your original battery — the model number B-X1 is printed there. The Vivo X90 Pro uses a dual-cell design with two 2350mAh cells in series. This battery is NOT compatible with Vivo X90, Vivo X90 Pro+, Vivo X100 series, or other Vivo models. If your Vivo X90 Pro battery no longer holds charge as it did when new or shuts down unexpectedly, this B-X1 replacement battery will restore the full performance.

The B-X1 4700mAh battery for Vivo X90 Pro features a dual-cell series configuration with two 2350mAh cells (7.78V rated voltage), providing a total equivalent capacity of 4700mAh at 3.89V (18.29Wh typical energy). Rated capacity is 2300mAh × 2, equivalent to 4600mAh (17.90Wh). This B-X1 7.78V 4700mAh Li-ion Polymer battery uses a dual-cell design — two cells connected in series produce the combined 4700mAh equivalent capacity at the rated 3.89V output. It is built with Grade A cells and is CE, RoHS, and UN38.3 certified. The Vivo X90 Pro battery supports 120W wired FlashCharge and 50W wireless FlashCharge. 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 X90 Pro battery installation is recommended. The Vivo X90 Pro has a sealed design with an internal dual-cell battery. To replace Vivo X90 Pro battery B-X1, the technician must heat the back cover to soften adhesive, carefully pry it open to avoid damaging the display or frame, disconnect the battery's small 2-pin connector, remove the old dual-cell battery assembly, and install the new B-X1 battery before resealing the device. For B-X1 battery installation Vivo X90 Pro, improper handling can damage the display or compromise the device's sealing. Authorized service centers are recommended. For Vivo X90 Pro battery health maintenance: 1) Use the original 120W FlashCharge charger and cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of both cells. 3) Avoid exposing the device 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 device until it auto-shuts off, then charge uninterrupted to 100%. For Vivo X90 Pro battery care tips, stop using immediately if the battery shows any swelling.

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