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BLPA87 5800mAh 7.78V Li-ion Polymer dual-cell replacement battery for Realme GT6 RMX3800, front view showing battery surface and small 2-pin connector
BLPA87 5800mAh 7.78V replacement battery for Realme GT6 RMX3800, back view showing model number BLPA87, total capacity 5800mAh, and voltage 7.78V on spec label

BLPA87 5800mAh 7.78V Battery for Realme GT6 RMX3800 Replacement

Original price was: $42.99.Current price is: $34.99.

🔘 BLPA87 5800mAh 7.78V | 🔋 Li-ion Polymer (2S) | 📱 For Realme GT6 RMX3800 120W SUPERVOOC

8 in stock

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SKU: BLPA87 Category: Tags: , , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

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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.

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Description

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

✅ 5800mAh Total Capacity – Restores full battery life for Realme GT6 RMX3800

✅ 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: BLPA87
Total capacity: 5800mAh (typical) / 22.36Wh
Individual capacity: 2900mAh per cell
Rated voltage: 7.78V (two 3.89V cells in series)
Charge limit voltage: 8.9V (4.45V per cell)
Battery type: Li-ion Polymer (Grade A cells, 2S configuration)
Compatible with: Realme GT6 (RMX3800)
Package include: 1 x battery
Restore the flagship-level performance of your Realme GT6 with this BLPA87 dual-cell replacement battery. Launched in 2024, the Realme GT6 features a 6.78-inch 120Hz AMOLED display, the Snapdragon 8 Gen 3 processor, and supports 120W SUPERVOOC fast charging that can fully charge the device in approximately 30 minutes. The device is equipped with a dual-cell 5800mAh battery — two 2900mAh cells connected in series to achieve the 7.78V architecture required for ultra-fast charging. After extensive daily charging cycles, the factory battery capacity naturally degrades. This Li‑ion Polymer battery restores the full 5800mAh total capacity, bringing back the exceptional endurance and lightning-fast charging 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 Realme GT6 is built around a dual-cell 5800mAh battery that delivers outstanding endurance and 120W SUPERVOOC fast charging. The 7.78V architecture uses two 3.89V cells connected in series, achieving higher voltage for ultra-fast charging speeds while maintaining safety. After extended 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 BLPA87 replacement battery restores the factory‑spec 5800mAh capacity and supports the original 120W SUPERVOOC fast charging. 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 Realme GT6 (RMX3800) only. Please confirm your battery model before ordering — BLPA87 is printed on your original battery. This battery is NOT compatible with Realme GT6 Pro, Realme GT Neo series, Realme GT5, or other Realme models. The Realme GT6 uses a distinct dual-cell 5800mAh battery with specific dimensions and connector layout; using a different battery model may cause charging issues, slower charging speeds, or incorrect battery reporting.

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Frequently Asked Questions

The BLPA87 5800mAh dual-cell battery replacement is compatible with Realme GT6 (model RMX3800) only. If you need a BLPA87 battery for Realme GT6 or a Realme GT6 battery replacement, this BLPA87 5800mAh battery is the exact match. The Realme GT6 features a 6.78-inch 120Hz AMOLED display and is powered by the Snapdragon 8 Gen 3 processor. For BLPA87 battery compatibility, please verify your battery model printed on the original unit — BLPA87 is the correct model for this device. This battery is NOT compatible with Realme GT6 Pro, Realme GT Neo series, Realme GT5, or other Realme models. If your current Realme GT6 battery now drains quickly or shuts down unexpectedly, this BLPA87 7.78V dual-cell Li‑ion Polymer battery will restore full endurance and 120W SUPERVOOC charging capability.

The BLPA87 5800mAh battery for Realme GT6 has a total capacity of 5800mAh (2900mAh per cell, 22.36Wh total) and a rated voltage of 7.78V. This is achieved by connecting two 3.89V cells in series, with a charge limit of 8.9V (4.45V per cell). This BLPA87 7.78V dual-cell Li‑ion Polymer battery is built with grade A cells and is CE, RoHS, and UN38.3 certified. For BLPA87 battery performance, the battery supports the original 120W SUPERVOOC fast charging of the Realme GT6. For best BLPA87 battery performance Realme GT6, allow 2‑3 full charge cycles after installation to calibrate the battery meter. If your original Realme GT6 battery now requires more frequent charging instead of lasting as it did when new, this replacement will restore the full 5800mAh capacity and ultra‑fast charging speed.

Professional BLPA87 battery installation is recommended for Realme GT6. The device has a sealed design with strong adhesive. To replace BLPA87 battery in Realme GT6 RMX3800, the technician must heat the back cover to soften adhesive, carefully pry it open to avoid damaging the display or internal components, disconnect the battery's small 2‑pin connector, remove the old dual-cell battery, and install the new BLPA87 battery before resealing. For BLPA87 battery installation, improper handling can damage the display or internal components. For BLPA87 battery health maintenance and Realme GT6 battery care tips: 1) Use the original 120W charger and cable for optimal SUPERVOOC charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the dual 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 BLPA87 battery care tips Realme GT6, stop using immediately if the battery shows any swelling.

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