Revive your smartphone’s performance with the BP49 High-Capacity Replacement Battery. Designed specifically for the Xiaomi Poco F4 5G and Redmi K40S, this 4500mAh Lithium-Polymer battery offers reliable, long-lasting power, allowing you to enjoy your phone without constantly worrying about charging.
Whether your old battery is draining too fast, overheating, or refusing to charge, this 100% compatible, high-quality replacement is the perfect solution.
Key Features:
- Perfect Compatibility: Engineered specifically for Poco F4 5G (22021211RG, 22021211RI) and Redmi K40S.
- High-Capacity 4500mAh: Delivers up to 24 hours of normal usage (approx. 12 hours talk time), restoring your device to its original, all-day power.
- Dual IC Protection: Built-in safeguards protect against overcharging, overheating, short-circuiting, and over-discharging for maximum safety.
- Grade A+ Cells: Uses premium Lithium-Polymer battery cells for long-lasting, stable energy without memory effects.
- Safe & Durable: Rigorously tested for quality and durability, ensuring a safe, non-polluting, and efficient power source.
Specifications:
| Attribute | Details |
|---|---|
| Model No. | BP49 |
| Compatible With | Xiaomi Poco F4 5G, Redmi K40S |
| Battery Type | Lithium-ion Polymer (Li-Po) |
| Capacity | 4500mAh / 17.3Wh |
| Voltage | 3.87V – 3.85V |
| Charging Cycles | Up to 500+ Cycles |
| Certification | ISO, CE, RoHS |
Important Notes for Installation & Maintenance:
- Professional Installation Recommended: To avoid damage to your phone or the new battery, professional installation is advised.
- Initial Calibration: A new battery will achieve best performance after 2 to 3 complete charge/discharge cycles.
- Troubleshooting: If the phone cannot be powered on after installation, please recheck the ribbon cable connector, ensure it is firmly connected, and charge the phone for at least 20 minutes.
- Avoid Third-Party Chargers: Use your original charger to maintain battery health and avoid overheating.
Why Choose Our BP49 Battery?
- Excellent Value: Get premium-grade performance without the high cost of brand-name service center replacements.
- Quality Assured: Each battery is strictly tested before shipping to ensure 100% capacity.
- Reliable Support: Comes with a 6-month to 1-year warranty (depending on vendor) against manufacturing defects.
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