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BP49 4500mAh 3.87V Replacement Battery for Xiaomi Poco F4 5G / Redmi K40S
Back view of BP49 4500mAh 3.87V Li-Polymer replacement battery for Xiaomi Poco F4 5G and Redmi K40S

BP49 4500mAh 3.87V Replacement Battery for Xiaomi Poco F4 5G / Redmi K40S

Original price was: $14.99.Current price is: $10.99.

🔘 BP49 4500mAh 3.87V | 🔋 Li-Polymer | 📱 For Poco F4 5G / Redmi K40S

8 in stock

🛡️ PayPal Protected (Buyer coverage included)✅ 90-Day Warranty
SKU: BP49 Category: Tags: , , , , ,

Description

Battery model: BP49

Battery capacity: 4500mAh (Typical) / 4400mAh (Rated)

Rated voltage: 3.87V

Charge limit voltage: 4.45V

Battery type: Li-Polymer

Compatible with: Xiaomi Poco F4 5G, Redmi K40S (22021211RC)

Package include: 1 x battery

Restore the long-lasting power of your Xiaomi Poco F4 5G or Redmi K40S with this premium BP49 4500mAh replacement battery. This Li-Polymer cell delivers reliable performance for 5G streaming, gaming, and daily multitasking. Built-in multi-layer safety protection guards against overcharge, over-discharge, and short circuits. Made with grade A cells. CE, RoHS, and UN38.3 certified for safety compliance. Professional installation recommended as the battery is not user-replaceable.

Compatibility Note: Fits Xiaomi Poco F4 5G and Redmi K40S (22021211RC) only. Both models share the same 4500mAh battery with 67W fast charging support. Please check your original battery model before purchasing.

Battery Care Tips: Avoid full discharge (keep above 20%). Keep away from high temperatures. If swelling occurs, stop use immediately. For optimal battery life, use the original 67W charger that came with your device.

✅ Condition: Brand New – Never used, premium quality

✅ CE / RoHS / UN38.3 Certified – Safety tested

✅ 90-Day Warranty – Hassle-free replacement

✅ Ships in 3-7 days with tracking – Fast delivery

🛡️ Shipping Protection Available at Checkout – Covered against loss, damage, or theft

✅ PayPal Buyer Protection included – Secure checkout

✅ 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.

🔋 Can’t find your battery model? Use our FREE Battery Lookup Service – tell us your device and we’ll find a match within 24 hours. 👉 battery.qingsm.tech/find-my-battery

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Additional information

Weight 0.1 kg
About Tax (VAT/IOSS)

This price does not include tax. If your country's customs requires Tax payment (VAT/IOSS), you will need to pay it directly to your customs authority.

Buyers from Brazil and Norway, please indicate your Tax number (CPF), when placing an order, as it is required for customs and shipping. Thanks !
About Shipping

Economy Shipping from China:

To USA: usual takes 13-35 days.

To Austria, Belgium, Denmark, France, Hungary, Ireland, Italy, Luxembourg, Poland, Portugal, Slovakia, Spain, Sweden, Netherlands, Czech Republic: Usual takes 25-60 days.

To Croatia, Finland, Romania, Slovenia, Lithuania: Usual takes 35-90 days.

To other countries: Usual takes 20-60 days.

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Frequently Asked Questions

The BP49 replacement battery is compatible with Xiaomi Poco F4 5G and Redmi K40S (22021211RC). If your Poco F4 battery draining too fast or not holding a charge, this is the correct replacement. Please check your current battery model before purchasing.

The BP49 battery has a capacity of 4500mAh (typical) / 4400mAh (rated) at 3.87V with a charge limit of 4.45V. If you're looking for a high-capacity replacement battery for Poco F4 5G that supports 67W fast charging, this Li-Polymer cell is a compatible choice. Made with grade A cells, CE, RoHS, and UN38.3 certified.

Yes, this BP49 replacement battery is designed to support the original 67W fast charging capability of the Xiaomi Poco F4 5G and Redmi K40S. If you need a battery for Poco F4 5G that maintains fast charging speed, this 4500mAh Li-Polymer cell is a reliable choice. For best results, use the original charger that came with your device.

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This battery is in stock and ready to ship within 3-7 days. 90-day warranty included.

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