This SRFRZ Compatible Battery for Mi K20 Pro / Redmi K20 Pro uses the verified BP40 model to match your device’s requirements. With 4000 mAh capacity and 3.85 V, it’s designed to provide long-lasting power and restore your phone’s backup performance .

Whether your current battery drains fast, overheats, or shows swelling, this high-capacity replacement is a dependable solution. Each battery is tested before dispatch to guarantee safety, quality, and a perfect fit.

Product Features:
🔋 Battery Model: BP40
🔋 Capacity: 4000 mAh / 3.85 V
📱 Compatible With: Mi K20 Pro / Redmi K20 Pro / Mi 9T Pro
⚙️ Installation: Professional technician recommended
📦 Brand: SRFRZ (Label/packaging may vary)
✅ Quality Tested: Yes – every unit checked before shipping
⚠️ Note: This is a compatible aftermarket battery, not an original Xiaomi part. Brand or design may differ from the image.