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BM85 9000mAh 3.81V Li-ion Polymer replacement battery for Redmi Turbo 5 Max and Poco X8 Pro Max, front view showing battery surface and small 2-pin connector

BM85 9000mAh 3.81V Battery for Redmi Turbo 5 Max Poco X8 Pro Max Replacement

Original price was: $52.99.Current price is: $45.99.

🔘 BM85 9000mAh 3.81V | 🔋 Li-ion Polymer | 📱 For Redmi Turbo 5 Max / Poco X8 Pro Max

8 in stock

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SKU: BM85 Category: Tags: , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

✅ Why Our Warranty Stands Out

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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, 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

✅ 9000mAh High Capacity – Restores full battery life for Redmi Turbo 5 Max / Poco X8 Pro Max

✅ 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: BM85 / 11CP6/70/99
Typical Capacity: 9000mAh (typical) / 34.29Wh
Rated Capacity: 8800mAh (rated) / 33.53Wh
Nominal Voltage: 3.81V
Charging Voltage Limit: 4.55V
Battery type: Li-ion Polymer (Grade A silicon-carbon cells)
Compatible with: Redmi Turbo 5 Max, Poco X8 Pro Max
Package include: 1 x battery
Restore the reliable battery performance of your Redmi Turbo 5 Max or Poco X8 Pro Max with this BM85 9000mAh replacement battery. The Turbo 5 Max features a 6.83-inch AMOLED display with 120Hz refresh rate, powered by the MediaTek Dimensity 9500s processor. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 9000mAh typical capacity, bringing back the multi-day endurance your device was built for. Built with Grade A silicon-carbon 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 9000mAh battery in the Turbo 5 Max originally provided exceptional endurance for gaming, streaming, and multi-day productivity, supporting 100W wired fast charging for quick 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 device without interruption. The BM85 battery uses advanced silicon-carbon anode technology for higher energy density, ensuring reliable performance for years to come.
Compatibility Note: Fits Redmi Turbo 5 Max and Poco X8 Pro Max only. Please confirm your battery model before ordering — BM85 is printed on your original battery. This battery is NOT compatible with other Xiaomi or Redmi models. The Turbo 5 Max uses a specific 9000mAh 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 BM85 battery for Redmi Turbo 5 Max is compatible with Redmi Turbo 5 Max and Poco X8 Pro Max. If you need a Redmi Turbo 5 Max battery replacement or Poco X8 Pro Max battery replacement, this BM85 9000mAh battery is the exact match. For BM85 battery for Redmi Turbo 5 Max compatibility, please verify your device model in Settings > About Phone or check the label on your original battery — the model number BM85 is printed there. The Turbo 5 Max features a 6.83-inch AMOLED display and Dimensity 9500s processor. This battery is NOT compatible with other Xiaomi or Redmi models. If your Redmi Turbo 5 Max battery no longer holds charge as it did when new or shuts down unexpectedly, this BM85 replacement battery will restore the full performance.

The BM85 9000mAh battery for Redmi Turbo 5 Max has a typical capacity of 9000mAh (34.29Wh) and a rated capacity of 8800mAh (33.53Wh), with a nominal voltage of 3.81V and a charging voltage limit of 4.55V. This BM85 3.81V 9000mAh Li-ion Polymer battery is built with Grade A silicon-carbon cells and is CE, RoHS, and UN38.3 certified. The Redmi Turbo 5 Max battery supports 100W wired fast charging and 27W reverse charging. 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 Redmi Turbo 5 Max battery installation is recommended. The Turbo 5 Max has a sealed design with an internal battery. To replace Redmi Turbo 5 Max battery BM85, the technician must heat the back cover to soften adhesive, carefully pry it open to avoid damaging the AMOLED display or frame, disconnect the battery's small 2-pin connector, remove the old battery, and install the new BM85 battery before resealing the device. For BM85 battery installation Redmi Turbo 5 Max, improper handling can damage the display or compromise the device's sealing. Third-party repair shops typically charge $20-35 for labor. For Redmi Turbo 5 Max battery health maintenance: 1) Use the original 100W charger and cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the 9000mAh 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 Redmi Turbo 5 Max battery care tips, stop using immediately if the battery shows any swelling.

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