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DK019 4200mAh 3.85V Li-ion Polymer replacement battery for Blackview A80 and A80s, front view showing battery surface and small 2-pin connector

DK019 4200mAh 3.85V Battery for Blackview A80 A80s Replacement

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

🔘 DK019 4200mAh 3.85V | 🔋 Li-ion Polymer | 📱 For Blackview A80 / A80s

8 in stock

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SKU: DK019 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

✅ 4200mAh High Capacity – Restores full battery life for Blackview A80 / A80s

✅ 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: DK019
Capacity: 4200mAh (typical) / 16.17Wh
Rated voltage: 3.85V
Charge limit voltage: 4.4V
Battery type: Li-ion Polymer (Grade A cells)
Color: Black
Compatible with: Blackview A80, Blackview A80s
Package include: 1 x battery
Restore the reliable battery performance of your Blackview A80 or A80s with this DK019 4200mAh replacement battery. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 4200mAh 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 4200mAh battery provides dependable runtime for daily tasks, multimedia, and connectivity. 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 Blackview A80 or A80s without interruption. The DK019 battery uses advanced high-density cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits Blackview A80 and Blackview A80s only. Please confirm your battery model before ordering — DK019 is printed on your original battery. Verify that your current battery matches the model number, rated voltage (3.85V), and physical dimensions. Using an incorrect battery model may cause improper fit, charging issues, or incorrect battery reporting.

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Frequently Asked Questions

The DK019 battery for Blackview A80 is compatible with Blackview A80 and Blackview A80s. If you need a Blackview A80 battery replacement, this DK019 4200mAh battery is the exact match. For DK019 battery for Blackview A80 compatibility, please verify your device model in Settings > About Phone or check the label on your original battery — the model number DK019 is printed there. Blackview A80s battery replacement also uses this same DK019 battery model. If your Blackview A80 battery no longer holds charge as it did when new or shuts down unexpectedly, this DK019 replacement battery will restore the full performance.

The DK019 4200mAh battery for Blackview A80 has a typical capacity of 4200mAh (16.17Wh) and a rated voltage of 3.85V, with a charge limit of 4.4V. This DK019 3.85V 4200mAh Li-ion Polymer battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. DK019 battery specifications are designed for reliable performance with 300-500 discharge/charge cycles. 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 Blackview A80 battery installation is recommended. The Blackview A80 has a sealed design with an internal battery. To replace Blackview A80 battery DK019, 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 DK019 battery before resealing the device. For DK019 battery installation Blackview A80, improper handling can damage the display or compromise the device's sealing. Third-party repair shops typically charge $15-25 for labor. For Blackview A80 battery health maintenance: 1) Use the original charger and cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the 4200mAh 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 Blackview A80 battery care tips, stop using immediately if the battery shows any swelling.

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

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