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BN51 Battery for Redmi 8 | Redmi 8A | 5000mAh | Welzone
BN51 battery for Redmi 8 | Redmi 8A is made for buyers who need the right part without guesswork. The BN51 matches the exact 5000mAh spec of the original Redmi 8 | Redmi 8A battery, so screen time returns to normal. Overcharge protection is built in. 6-month warranty. Fast India delivery.
BN51 battery for Redmi 8 | Redmi 8A is listed by Welzone with model-specific fitment details, useful buying checks and clear installation guidance so customers can confirm the part before ordering.
Get Your Redmi 8 | Redmi 8A Working Like New
Buying a new phone just because the battery is weak does not make sense when a battery replacement costs a fraction of the price. The BN51 is made to the exact 5000mAh specification of your Redmi 8 | Redmi 8A. Once installed, your phone performs exactly the way it did when you first bought it.
Matched to Your Phone’s Original Spec
The BN51 runs at 3.85V and stores 19.25Wh of energy — the listed battery numbers for your Redmi 8 | Redmi 8A. This means charging times, battery life, and heat levels all stay exactly the built to match the listed device spec. The Li-Polymer cell also has no memory effect, so you can charge it from any level without reducing its capacity over time.
Professional or DIY — Your Choice
Taking your Redmi 8 | Redmi 8A to a local repair shop is the easiest option. Most shops charge a local service fee for battery replacement and finish quickly. If you want to do it yourself, the included plastic tools are the right ones for the job. Look up a video for Redmi 8 | Redmi 8A battery replacement on YouTube for the exact steps.
Simple Warranty Process
We give a 6-month replacement warranty on every BN51 battery. If anything goes wrong because of a manufacturing defect — not physical damage — we send a replacement. Reach us on WhatsApp, email, or the Welzone website with your order number and we will sort it quickly.
Shipping & COD
Fast dispatch after order confirmation. Delivery time depends on your pincode and courier route. Track your order on SMS, email, and WhatsApp. Cash on Delivery may be available on eligible pin codes.
Welzone Fit Note for Redmi 8 | Redmi 8A
This Battery page is built from the listed part number BN51, product category and visible store data. Before ordering, match the model number in your phone settings or on the old part label. If a phone family has multiple variants, add the exact compatible models and specifications manually in the Welzone Layout tab.
Package Includes
- 1x BN51 Battery (5000mAh) for Redmi 8 | Redmi 8A
- 1x Plastic Opening Tool
- 1x Spudger
- 1x Welzone Thank You Card 🙏
The BN51 battery is compatible with Redmi 8 / Redmi 8A. Please confirm your phone's model number matches before placing the order — some phone families have multiple variants that use different batteries.
Yes. The BN51 is rated at 5000mAh — the same capacity as the original Redmi 8 / Redmi 8A battery. You will not notice any difference in battery life compared to a new phone.
The box includes the BN51 battery (5000mAh), one plastic pry tool, one spudger, and a Welzone thank you card. Everything you need for a basic battery replacement is included.
Contact Welzone on WhatsApp or email with your order ID and a short video showing the battery issue. We process replacement claims within 3 working days. The warranty is valid for 6 months from the date of purchase.
Yes. The BN51 supports the same charging speed as the original Redmi 8 / Redmi 8A battery. Your existing charger will work exactly the same way it did before.
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