Capacity: 4000mAh 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
| Commercial-Grade Energy Module for Xiaomi Redmi 4 BN42 Details | |
| Specification Details | |
| Compatible Model: | For Xiaomi Redmi 4 |
| Battery Type: | Premium Lithium-ion (Li-ion) |
| Capacity: | 4000mAh 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 4 houses a large capacity pack within a very tight structural frame. How does your factory ensure the BN42 module does not warp or apply pressure to the LCD screen?
Sourcing replacement cells for legacy metal body devices leaves zero margin for physical thickness flaws or erratic thermal parameters. Screen yellow spots and chassis deformation happen because typical market trading brokers distribute cheap unverified clearance stocks built with high resistance materials to win intense price wars. Times Electronic addresses this structural liability from the engineering source. We use premium high density lithium components compressed to precise original millimeter profiles under calibrated hydraulic tools. This ensures our BN42 modules sit entirely flat inside the cell chamber keeping the device cool under quick charging loads to protect your localized shop profits.
Sourcing components for older legacy series can involve high logistics asset risk due to cell passivation. What technical guarantees do you maintain for 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 stagnant warehouse clearance leftovers that have degraded over the years. Every single production batch of our commercial grade energy modules undergoes mandatory active capacity grading and rigid aging cycles at our testing hub to break cell passivation completely delivering an optimized full operational capacity right out of the box. We support your distribution logistics through wide multi model smartphone SKU coverage to optimize your freight while 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 online.
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.
