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BL-49NT 5000mAh 3.85V Li-ion Polymer replacement battery for Tecno Spark Go 2023 BF7, front view showing battery surface and small 2-pin connector

BL-49NT 5000mAh 3.85V Battery for Tecno Spark Go 2023 Replacement

Original price was: $29.99.Current price is: $24.99.

🔘 BL-49NT 5000mAh 3.85V | 🔋 Li-ion Polymer | 📱 For Tecno Spark Go 2023 BF7

8 in stock

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📦 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

✅ 5000mAh High Capacity – Restores full battery life for Tecno Spark Go 2023

✅ 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-49NT
Capacity: 5000mAh (typical) / 4900mAh (rated) / 19.25Wh
Rated voltage: 3.85V
Charge limit voltage: 4.40V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: Tecno Spark Go 2023 (BF7)
Package include: 1 x battery
Restore the reliable battery performance of your Tecno Spark Go 2023 with this BL-49NT 5000mAh replacement battery. The Spark Go 2023 features a 6.6-inch HD+ display and a 5000mAh battery designed for extended daily usage. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 5000mAh capacity, 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 5000mAh battery in the Spark Go 2023 originally provided dependable endurance for calls, messaging, streaming, and daily tasks. 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 Tecno Spark Go 2023 without interruption. The BL-49NT battery uses advanced high-density cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits Tecno Spark Go 2023 (model BF7) only. Please confirm your battery model before ordering — BL-49NT is printed on your original battery. This battery is also compatible with Tecno Pop 7 Pro. This battery is NOT compatible with Tecno Spark Go 2024, Spark 10, or other Tecno models unless they specify BL-49NT. The Tecno Spark Go 2023 uses a specific 5000mAh 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 BL-49NT battery for Tecno Spark Go 2023 is compatible with Tecno Spark Go 2023 (model BF7) and Tecno Pop 7 Pro only. If you need a Tecno Spark Go 2023 battery replacement, this BL-49NT 5000mAh battery is the exact match. For BL-49NT battery for Tecno Spark Go 2023 compatibility, please verify your device model in Settings > About Phone or check the label on your original battery — the model number is printed there. This battery is NOT compatible with Tecno Spark Go 2024, Spark 10, or other Tecno models unless they specify BL-49NT. If your Tecno Spark Go 2023 battery no longer holds charge as it did when new or shuts down unexpectedly, this BL-49NT replacement battery will restore the full performance.

The BL-49NT 5000mAh battery for Tecno Spark Go 2023 has a typical capacity of 5000mAh (rated 4900mAh, 19.25Wh) and a rated voltage of 3.85V, with a charge limit of 4.40V. This BL-49NT 3.85V 5000mAh Li-ion Polymer battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. 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 Tecno Spark Go 2023 battery installation is recommended. The Tecno Spark Go 2023 has a sealed design with an internal battery. To replace Tecno Spark Go 2023 battery BL-49NT, 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 battery, and install the new BL-49NT battery before resealing the device. For BL-49NT battery installation Tecno Spark Go 2023, improper handling can damage the display or compromise the device's sealing. Third-party repair shops typically charge $15-25 for labor. For Tecno Spark Go 2023 battery health maintenance: 1) Use the original 10W charger and USB Type-C cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the 5000mAh cell. 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 Tecno Spark Go 2023 battery care tips, stop using immediately if the battery shows any swelling.

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