Capacity: 4900mAh standard
PCB: High-Quality/ Decode Chip PCB Available
✔ 100% Brand New, 0 Cycle
✔ <0.3% Low Return Rate
✔ >500 times Cycle Life
✔ 12 Months Warranty
✔ 2-5 Days Production Time
✔ Professional QC Testing
✔ Private Label & Packing Available
✔ OEM Available
✔ Stable Performance Across Batches
✔ Stable Supply for Bulk Orders
| Phone Battery for Xiaomi Redmi 8A BN51 Details | |
| Specification Details | |
| Compatible Model: | For Xiaomi Redmi 8A |
| Battery Type: | Premium Lithium-ion (Li-ion) |
| Capacity: | 4900mAh standard |
| Standard Voltage: | 3.85V |
| Condition: | 100% Brand New, 0 Cycle |
| Cycle Life: | >500 times |
| Cell Material: | 100% Pure Cobalt Cell |
| Cell Brand: | ATL, Dianming, Guangyu, Samsung, Liwei, Ganfeng, Veken, Fenghua and Lishen available |
| PCB: | High-end protection boards and decoding protection boards available |
| Working Temperature: | -10°C ~ 50°C |
| Warranty Policy: | 12-Month |
| MOQ: | Flexible |
| OEM: | Available |
The Redmi 8A utilizes a massive 5000mAh cell with 18W fast charging capability. How does your factory prevent the BN51 battery from overheating and swelling under rapid power delivery?
Sourcing replacement batteries for large capacity devices running quick charging protocols leaves zero margin for unstable chemical composition or cheap protection components. Severe cell expansion and premature degradation happen because standard trading brokers distribute unverified stocks built with high resistance recycled materials to lower market entry pricing. Times Electronic eliminates this critical engineering risk entirely. We utilize fresh premium density lithium components integrated with upgraded dual-IC smart protection boards. Our BN51 modules maintain an ultra-low internal resistance curve even under sustained 18W power routing keeping the unit completely cool and flat to protect your localized shop profits.
Managing cross border freight for heavy turnover budget lines involves complex asset risks. How does your wholesale supply chain safeguard bulk parts distributors?
We eliminate cross border transit defects and inventory dead weight by maintaining active production lots driven by real time commercial demand rather than liquidating expired legacy warehouse leftovers that have decayed over the years. Every single production batch of our heavy duty phone batteries undergoes mandatory active capacity grading and rigid aging cycles at our testing hub to break cell passivation completely delivering a true 0-cycle power component status out of the box. We optimize your distribution logistics through massive multi model smartphone SKU coverage with highly flexible MOQs routing direct 10 percent plus factory savings straight to you fully backed by a 100 percent pure B2B protection policy where we run zero retail storefronts.
We source only raw, brand-new A-grade polymer cells directly from top-tier component giants, skipping standard trading markups to pass 10%+ direct savings to you. Because of our rigorous 6-step testing process (from cell grading to final load testing), our real-world batch return rate is kept strictly below 0.3%.
For our standard hot-selling catalog inventory, we can dispatch within 2-5 working days. For large-scale customized OEM or private label orders, production typically takes more days depending on material specifications. We always communicate real-time timeline tracking so you never experience local stockouts.
We back all bulk orders with an ironclad 12-month replacement warranty. If you encounter any functional defectives within the warranty period, you do not need to ship them back to China (which wastes shipping costs). Simply send us a brief video or photo proof of the testing data via WhatsApp/Email, and we will credit or replace them directly in your next shipment.
Yes, for wholesale buyers looking to scale up, we provide premium OEM services. We can handle custom battery body silk-printing, custom-branded retail boxes with anti-static EVA foam or blister inserts, and warehouse barcode stickers.
Our flexible MOQ is designed to help you keep a healthy cash flow without overstocking. For standard replacement models, our minimum starting order is very low. Please click the "WhatsApp" button or send a quick inquiry with your target quantity, and our team will provide a tailored volume tier quote within 2 hours.
