Headsets, smart glasses, thin wearables -- this 3.7V 450mAh 403048 Ultra Thin Lithium Polymer Battery Mini Lipo Cell, runs long. 600mAh powers 8+ hours of talk time. 600 cycles at 80% -- we track every batch. Our electrolyte additive reduces swelling risk -- safer for slim devices. OEM 403048 battery with your brand label and wire spec -- we've done 60+ headset designs. Hot sale for audio wearables. 1-year warranty. Competitive pricing -- talk to us.
Model: 403048
Nominal voltage: 3.7V
Delivery voltage: 3.85V ~ 4.05V
Nominal capacity: 600mAh
Measurement: 4.1*30.1*48.5mm
| Model | 403048 |
| Material | Li-ion Polymer Battery |
| Normal Capacity(0.2C) | 600mAh |
| Minimum Capacity(0.2C) | 600mAh |
| Energy: | 2.22wh |
| Normal Voltage: | 3.7V |
| Delivery Voltage: | 3.85V ~ 4.05V |
| Standard Charge Method: | Charge at maximum current. When the battery or pack terminal voltage reaches the charging limit voltage, charge at constant voltage until the charging current is less than or equal to 0.02 C, then stop charging. |
| Discharge program | The battery or the battery pack carries on the constant current discharge with the maximum discharge current to the discharge termination voltage. |
| Max Charging Current: | 1C CC/CV →0.02C cutoff |
| Max Discharging Current: | 1C CC/CV → 3.0V cutoff |
| Over-Discharging Current: | 2.3V |
| Operation Temperature Range |
Lower/Upper limited charging temperature:0℃ ~ 50℃ Lower/Upper limited discharging temperature -20℃ ~ 60℃ |
| Allowable maximum surface temperature |
Charging: Tmax ≤50℃ Discharging: Tmax ≤60℃ |
| Storage T/H Range(time): |
-20℃ ~ 60℃ (Less than 1month) -20℃ ~ 45℃ (Less than 3month) -20℃ ~ 25℃ (Less than 1 year) |
| Cycle Life |
≥300 times Thickness expansion rate ≤10% ≥500 times Thickness expansion rate ≤12% |
This 3.7V 450mAh 403048 Ultra Thin Lithium Polymer Battery Mini Lipo Cell is specially tailored for Bluetooth headsets. It boasts excellent cycle stability to maintain steady performance after repeated charging and discharging. The battery is designed with overcharge resistance to effectively prevent damage caused by excessive charging and greatly lower the risk of abnormal faults during daily use.
With reliable moisture resistance, the battery can adapt to various daily use environments and avoid performance decline or short circuit problems triggered by humid conditions. Featured with an ultra-thin profile, it perfectly fits the compact internal structure of Bluetooth headsets, helping product designers achieve lightweight and miniaturized product layout without occupying excessive internal space.
The 403048 mini lithium polymer battery is completely maintenance-free. It requires no regular inspection, discharge operation or special daily upkeep during the whole service cycle, bringing simpler use and after-sales management for finished headset products and reducing extra labor and time costs for clients.
Lithium ion polymer batteries enjoy extensive application across various digital products. Specifically, the 3.7V 450mAh 403048 Ultra Thin Lithium Polymer Battery Mini Lipo Cell is perfectly applicable to Bluetooth headsets, true wireless stereo earbuds, neckband earphones, other 3C digital products and a variety of portable electronic equipment.
Risk-free market entry is our commitment to your supply chain. Operating under strict ISO9001:2015 and ISO14001:2015 management systems, all Yideng products are fully RoHS and REACH compliant. Our batteries have passed the world's most stringent safety certifications, including UL1642, UL2054, CE, CB, KC, PSE, BIS, IEC62133, and UN38.3, ensuring seamless customs clearance and absolute safety in European, American, and global markets.
We eliminate human error through advanced industrial automation. Our lines feature an 85% automation rate integrated with a proprietary full-process MES intelligent management system. From electrode mixing and secondary sealing to online K-value inspection, vacuum leak detection, and precision OCV weighing, every single cell undergoes computerized tracking. This guarantees flawless consistency, long cycle life, and a near-zero defect rate.
A: Yes, we have professional R&D labs and a dedicated quality control center.
A: Our batteries suit headphones, GPS, beauty tools, toys and all consumer electronics.
A: Custom PVC film, label and package design services are provided.
A: Mixed sample orders are supported for your multi-product testing.
A: Competitive wholesale prices are available for long-term exclusive agents.
Address
Xin'an Village industrial Park, Yonglejiang Town, AnrenCounty, Chenzhou City, Hunan Province, China
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