Capacity: 3030mAh 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
| Mobile Battery for Xiaomi 4i BM33 Details | |
| Specification Details | |
| Compatible Model: | For Xiaomi 4I |
| Battery Type: | Premium Lithium-ion (Li-ion) |
| Capacity: | 3030mAh standard |
| Standard Voltage: | 3.84V |
| 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 Xiaomi 4i has a compact inner frame susceptible to high thermal loads. How does your factory ensure the BM33 battery does not overheat or swell?
Sourcing cell replacements for compact high heat device platforms leaves zero margin for unstable chemical composition or uncalibrated power ICs. Severe cell expansion and cliff style power drops happen because traditional market trading brokers distribute cheap unverified warehouse stocks built with high resistance materials to clear out dead inventory. Times Electronic eliminates this critical repair risk entirely. We use premium brand new high density lithium components integrated with upgraded thermal defense smart protection boards. This keeps internal impedance consistently low under continuous load ensuring the module runs completely cool and flat to protect your localized shop profits.
Managing cross border logistics for older legacy components carries high financial risk. What technical reliability guarantees do you offer to bulk B2B buyers?
We eliminate cross border transit defects and inventory dead weight by maintaining active production schedules driven by real time client demand rather than liquidating expired legacy lots. Every batch of our enterprise mobile 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 out of the box. We optimize your freight costs through comprehensive multi model smartphone SKU coverage with highly flexible MOQs 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.