Sale!
BL-44GX 2250mAhx2 7.74V Li-ion Polymer dual-cell replacement battery for Infinix Zero Ultra 5G X6820, front view showing battery surface and small 2-pin connector

BL-44GX 2250mAhx2 7.74V Battery for Infinix Zero Ultra 5G X6820 Replacement

Original price was: $39.99.Current price is: $31.99.

🔘 BL-44GX 2250mAhx2 7.74V | 🔋 Li-ion Polymer (2S) | 📱 For Infinix Zero Ultra 5G X6820 180W Thunder Charge

8 in stock

No PayPal account? 💳 Pay with credit/debit card | 🛡️ PayPal Buyer Protected
SKU: BL-44GX 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, 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.

🔋 Can't find your battery model? Use our FREE Battery Lookup Service – tell us your device and we'll find a match within 24 hours. 👉 battery.qingsm.tech/find-my-battery

Description

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

✅ 2250mAhx2 High Capacity – Restores full battery life for Infinix Zero Ultra 5G X6820

✅ 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: BL-44GX
Capacity: 2250mAh per cell (4500mAh total) / 34.85Wh
Rated voltage: 7.74V (two 3.87V cells in series)
Charge limit voltage: 8.9V (4.45V per cell)
Battery type: Li-ion Polymer (Grade A cells, 2S configuration)
Compatible with: Infinix Zero Ultra 5G (X6820)
Package include: 1 x battery
Restore the flagship-level performance of your Infinix Zero Ultra 5G with this BL-44GX dual-cell replacement battery. Launched in October 2022, the Infinix Zero Ultra 5G features a 6.8-inch 120Hz AMOLED display, a 200MP main camera, and is one of the few smartphones to support 180W Thunder Charge — the fastest wired charging technology on the market. This device is equipped with a dual-cell 4500mAh battery (two 2250mAh cells in series). After years of daily charging cycles, the factory battery capacity naturally degrades. This Li‑ion Polymer battery restores the full 4500mAh total capacity, bringing back the exceptional endurance and ultra-fast charging capability this device was designed 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 Flagship-Level Performance: The Infinix Zero Ultra 5G is built around a dual-cell 4500mAh battery that delivers both outstanding endurance and revolutionary 180W fast charging. The 7.74V architecture uses two 3.87V cells connected in series, achieving higher voltage for ultra-fast charging speeds. After extensive use, the original battery capacity degrades significantly. Common symptoms include: the device requiring more frequent charging, unexpected shutdowns at 15‑25% battery remaining, slower charging than when new, or visible battery swelling. This BL-44GX replacement battery restores the factory‑spec 4500mAh capacity and supports the original 180W Thunder Charge capability (requires original 180W charger and cable). The battery uses high‑density cell technology with precise voltage control, ensuring stable output and compatibility with the device’s original charging circuitry.
Compatibility Note: Fits Infinix Zero Ultra 5G (model X6820) only. Please confirm your battery model before ordering — BL-44GX is printed on your original battery. This battery is NOT compatible with Infinix Zero 5G, Infinix Zero 20, Infinix Note series, or other Infinix models. The Zero Ultra 5G uses a distinct dual-cell 4500mAh battery with specific dimensions and connector layout; using a different battery model may cause charging issues, slower charging speeds, or incorrect battery reporting.

Discover more from Battery.qingsm.tech

Subscribe to get the latest posts sent to your email.

Reviews

There are no reviews yet.

Be the first to review “BL-44GX 2250mAhx2 7.74V Battery for Infinix Zero Ultra 5G X6820 Replacement”

Your email address will not be published. Required fields are marked *
To receive the "Verified Owner" badge, please use the same email address you used when placing your order.

Frequently Asked Questions

The BL-44GX 2250mAhx2 battery replacement is compatible with Infinix Zero Ultra 5G (model X6820) only. If you need a BL-44GX battery for Infinix Zero Ultra 5G X6820 or an Infinix Zero Ultra 5G battery replacement, this BL-44GX 2250mAhx2 battery is the exact match. For BL-44GX battery compatibility, please verify your battery model printed on the original unit — BL-44GX is the correct model for this device. This battery is NOT compatible with Infinix Zero 5G, Infinix Zero 20, Infinix Note series, or other Infinix models. If your current Infinix Zero Ultra 5G battery now drains quickly or shuts down unexpectedly, this BL-44GX dual-cell 2250mAhx2 Li‑ion Polymer battery will restore full endurance and 180W Thunder Charge capability.

The BL-44GX 2250mAhx2 battery for Infinix Zero Ultra 5G has a total capacity of 4500mAh (2250mAh per cell, 34.85Wh total) and a rated voltage of 7.74V. This is achieved by connecting two 3.87V cells in series, with a charge limit of 8.9V (4.45V per cell). This BL-44GX 7.74V dual-cell Li‑ion Polymer battery is built with grade A cells and is CE, RoHS, and UN38.3 certified. For BL-44GX battery performance, the battery supports the original 180W Thunder Charge capability of the Infinix Zero Ultra 5G. For best BL-44GX battery performance Infinix Zero Ultra 5G, allow 2‑3 full charge cycles after installation to calibrate the battery meter. If your original Infinix Zero Ultra 5G battery now requires more frequent charging instead of lasting as it did when new, this replacement will restore the full 4500mAh capacity and ultra‑fast charging speed.

Professional BL-44GX battery installation is recommended for Infinix Zero Ultra 5G. The device has a sealed design that requires careful opening. To replace BL-44GX battery in Infinix Zero Ultra 5G X6820, the technician must heat the back cover to soften adhesive, carefully pry it open to avoid damaging the 200MP camera module or display, disconnect the battery's small 2‑pin connector, remove the old dual‑cell battery, and install the new BL-44GX battery before resealing to maintain the device's protection. For BL-44GX battery installation, improper handling can damage the 200MP camera, display, or internal components. For BL-44GX battery health maintenance and Infinix Zero Ultra 5G battery care tips: 1) Use the original 180W charger and cable for optimal Thunder Charge speed. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the 2250mAhx2 cells. 3) Avoid exposing the phone 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 phone until it auto‑shuts off, then charge uninterrupted to 100%. For BL-44GX battery care tips Infinix Zero Ultra 5G, stop using immediately if the battery shows any swelling.

Related products

✅ Ready to order?

This battery is in stock and ready to ship within 3-7 days. 90-day warranty included.

👉 Add to Cart Now