🟦 Product Long Description

🔋 Xiaomi Redmi K40 Battery Price in Bangladesh

The latest Xiaomi Redmi K40 Battery Price in Bangladesh is the ideal solution for replacing your old, weak, damaged, swollen, or fast-draining battery. Xiaomi Redmi K40 uses the Original BM4Y 4520mAh Dual-Cell Lithium-Polymer (Li-Poly) Battery, engineered to provide excellent battery backup, stable charging performance, and long-lasting durability.

If your Redmi K40 battery drains quickly, overheats, swells, shuts down unexpectedly, or no longer holds charge properly, replacing it with the Original BM4Y Battery can restore your smartphone’s original battery performance and daily backup time.

At MS Phone Lab, every battery undergoes strict quality control and 100% QC Testing before delivery to ensure safety, durability, and perfect compatibility.

🔋 Battery Details

Battery Model: BM4Y

Battery Capacity: 4520mAh

Battery Type: Dual-Cell Lithium-Polymer (Li-Poly)

Charging Support: 33W Fast Charging

Voltage: 3.87V

Rechargeable: Yes

Quality: Original Quality Replacement

Condition: Brand New

Tested: 100% QC Passed

⚙️ Key Features

🔋 Original BM4Y Battery

🔋 4520mAh Dual-Cell Capacity

⚡ Supports 33W Fast Charging

⚡ Stable & Safe Charging Performance

🔥 Low Heat Generation

🧪 100% QC Tested Quality

📱 Perfect Compatibility with Xiaomi Redmi K40

🔄 Long Service Life

🔋 Reliable Daily Backup

⚡ Common Problems Solved

• Fast battery drain
• Poor battery backup
• Battery not charging properly
• Sudden phone shutdown
• Battery swelling
• Overheating issues
• Slow charging performance
• Reduced battery health

📦 Compatible Models

This Original BM4Y Battery is compatible with:

✅ Xiaomi Redmi K40

✅ Xiaomi Mi 11X

✅ POCO F3

Please verify your old battery model (BM4Y) before placing your order to ensure compatibility.

🔧 Installation Charge

Battery Installation Charge: 200 Tk

Professional battery replacement service is available at our shop.

📍 Shop Location

MS Phone Lab
Line-17, Paris Road, Mirpur-10, Dhaka

⭐ Why Choose MS Phone Lab?

✅ Original Quality & QC Tested Battery

🔋 Reliable Battery Backup

⚡ 33W Fast Charging Support

🚚 Fast Delivery All Over Bangladesh

💰 Cash On Delivery Available

📦 Secure Packaging

🏪 Physical Shop Support

👨‍🔧 Professional Technician Support

🔄 Easy Replacement Support

🤝 Trusted Mobile Parts Seller

❓ FAQ

Q: Xiaomi Redmi K40 Battery Model কী?

A: Xiaomi Redmi K40-এ BM4Y Battery Model ব্যবহার করা হয়েছে।

Q: Xiaomi Redmi K40 Battery Capacity কত?

A: এই ব্যাটারির ক্ষমতা 4520mAh Dual-Cell Lithium-Polymer (Li-Poly)।

Q: Battery কি 33W Fast Charging Support করে?

A: হ্যাঁ, BM4Y Battery 33W Fast Charging Support করে।

Q: এই Battery কি POCO F3 এবং Mi 11X-এর সাথে Compatible?

A: হ্যাঁ, BM4Y Battery Xiaomi Redmi K40, Xiaomi Mi 11X এবং POCO F3-এর সাথে Compatible।

Q: Battery কি Original Quality?

A: হ্যাঁ, আমরা Original Quality এবং 100% QC Tested Battery সরবরাহ করি।

Q: Battery পরিবর্তনের সার্ভিস চার্জ কত?

A: আমাদের শপে Battery Installation Charge 200 টাকা।

Q: Xiaomi Redmi K40 Battery Price in Bangladesh কত?

A: সর্বশেষ মূল্য জানতে আমাদের সাথে যোগাযোগ করুন অথবা ওয়েবসাইটে আপডেটেড মূল্য দেখুন।

Q: সারা বাংলাদেশে Delivery পাওয়া যাবে?

A: হ্যাঁ, MS Phone Lab থেকে সারা বাংলাদেশে Home Delivery এবং Cash on Delivery (COD) সুবিধা পাওয়া যায়।