🔹 Product Description
Upgrade your smartphone performance with this premium quality BM4Y Battery for Poco F3 / Redmi K40 / K40 Pro. Designed for perfect compatibility, this battery delivers long-lasting backup, stable performance, and safe charging. It is an ideal replacement for old, damaged, swollen, or fast-draining batteries.
Built with advanced lithium-polymer technology, this battery ensures efficient power usage and longer life cycles. Perfect for daily usage like calling, gaming, browsing, and video streaming without interruptions.
🔹 Key Features
- ✔ Compatible with Poco F3 / Redmi K40 / K40 Pro (BM4Y Model)
- ✔ High Capacity: 4500–4520mAh for long battery life
- ✔ Lithium-ion / Li-Polymer technology for better efficiency & safety
- ✔ Supports fast charging
- ✔ Stable performance with multiple charge cycles
- ✔ Overcharge & overheating protection
- ✔ Perfect fit with accurate connector design
🔹 Specifications
- Model Number: BM4Y
- Battery Type: Li-ion / Li-Polymer
- Capacity: 4500–4520 mAh
- Voltage: ~3.85V – 3.87V
- Compatibility: Poco F3 / Redmi K40 / K40 Pro
🔹 Package Includes
- 1 × BM4Y Battery
🔎 Quick Selling Tips (Flipkart)
- Title me “4520mAh | High Backup | Long Life Battery” zarur likho
- “Original Quality” + “Fast Charging Support” highlight karo
- Clear real images use karo → conversion increase hota hai
✅ Short Summary
- High capacity → 4520mAh strong backup
- Best for → Old / damaged battery replacement
- Performance → Stable + long life cycles
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