Capacity: 4855mAh standard
PCB: High-Quality
✔ 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
| Samsung S21 Ultra EB-BG998ABY Factory-Direct Battery Details | |
| Specification Details | |
| Compatible Model: | For Samsung S21 Ultra |
| Battery Type: | Premium Lithium-ion (Li-ion) |
| Capacity: | 4855mAh 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 Galaxy S21 Ultra runs on a high-refresh 120Hz screen and heavy fast charging. How does your battery prevent voltage lag or overheating?
Overheating and lag occur when generic aftermarket brands use cheap, unverified stocks with inadequate protection circuits to engage in price competition. Times Electronic handles flagship performance differently. Following our strict engineering workflow, we source raw materials directly and enforce precise voltage and internal resistance matching. Every single EB-BG998ABY cell is built with upgraded thermal control ICs. This allows the battery to sync flawlessly with the intensive original power management of the phone, operating with optimal thermal performance and stability to safeguard your localized shop profits.
High-end parts buyers cannot afford unpredictable quality. What real risk-protection do you offer our electronics wholesale business?
We do not expect our clients to rely on luck when supplying premium repair networks. Every batch of our Samsung-compatible lithium cells undergoes mandatory active capacity grading and rigid aging cycles at our facility before boxing. This guarantees 100% stable, true full-capacity performance. Furthermore, we protect your market share with a 100% pure B2B protection policy—we do not engage in retail sales on Amazon or eBay, ensuring we never compete against your own 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.
