BN51 5000mAh 3.85V Li-Polymer replacement battery for Redmi 8 and Redmi 8A smartphone
Back view of BN51 5000mAh 3.85V Li-Polymer replacement battery for Redmi 8 and Redmi 8A

BN51 5000mAh 3.85V Replacement Battery for Redmi 8 / 8A

$9.38

✅ 5000mAh High Capacity | 🔋 3.85V Li-Polymer | 📱 For Redmi 8 / 8A

8 in stock

🛡️ PayPal Protected (Buyer coverage included)✅ 90-Day Warranty
SKU: BN51 Category: Tags: , , ,

Description

Battery model: BN51

Battery capacity: 5000mAh

Rated voltage: 3.85V

Charge limit voltage: 4.4V

Battery type: Li-Polymer

Compatible with: Redmi 8, Redmi 8A

Package include: 1 x battery

Revitalize your Redmi smartphone with this high-quality BN51 5000mAh replacement battery. Designed for Redmi 8 and 8A models, this Li-Polymer cell delivers reliable performance for all-day use and fully supports 18W fast charging. 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 Redmi 8 and Redmi 8A only. Both models use the same 5000mAh battery. 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 a standard 5V/2A charger.

✅ 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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Frequently Asked Questions

You can find a reliable battery replacement for Redmi 8 here. This BN51 5000mAh Li-Polymer cell is specifically designed for Redmi 8 and Redmi 8A. If your Redmi 8 battery is draining too fast or not holding a charge, this is the correct replacement. Please check your original battery model before purchasing.

The 5000mAh battery for Redmi 8A has a genuine capacity of 5000mAh at 3.85V with a charge limit of 4.4V. If you're looking for a high-capacity replacement battery for Redmi 8 that supports 18W fast charging, this Li-Polymer cell is the perfect choice. Made with grade A cells, CE, RoHS, and UN38.3 certified.

Yes, this battery for Redmi 8 fully supports the original 18W fast charging capability. If you're looking for a replacement battery for Redmi 8A that maintains the original charging speed, this BN51 cell is designed to meet the specifications. For best results, use the original charger that came with your device.

We offer a 90-day warranty and 100% compatibility guarantee—if it doesn't fit, we'll refund you. Orders ship in 3-7 days with tracking provided. Shipping protection is available at checkout. For full details, please visit our "What to Know Before You Buy" page.

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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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