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902030 3.7V 500mAh LiPo Battery
$1.50
Model 902030 3.7V 500mAhlithium polymer battery. High energy density with built-in BMS protection. Ideal for portable electronics, wearables and IoT devices. Custom sizes available. HNF Battery manufacturer.
Product Overview
This 3.7V 500mAh LiPo pouch cell battery series covers multiple standard models including 902030, 802030, 702030, 803030, 803040, 802035, and 602535, providing procurement flexibility for engineers and product designers. All models share the same electrochemical platform, ensuring consistent performance and safety standards across the entire series. Ideal for B2B buyers seeking a reliable single-source supplier for multiple product lines.
Series Specifications
| Model | Dimension (mm) | Capacity | Voltage | Wh |
|---|---|---|---|---|
| 902030 | 9.0 × 20 × 30 | 500mAh | 3.7V | 1.85Wh |
| 802030 | 8.0 × 20 × 30 | 500mAh | 3.7V | 1.85Wh |
| 702030 | 7.0 × 20 × 30 | 450mAh | 3.7V | 1.67Wh |
| 803030 | 8.0 × 30 × 30 | 550mAh | 3.7V | 2.04Wh |
| 803040 | 8.0 × 30 × 40 | 700mAh | 3.7V | 2.59Wh |
| 802035 | 8.0 × 20 × 35 | 500mAh | 3.7V | 1.85Wh |
| 602535 | 6.0 × 25 × 35 | 400mAh | 3.7V | 1.48Wh |
Common Electrical Parameters
| Parameter | Value |
|---|---|
| Nominal Voltage | 3.7V |
| Charge Voltage | 4.2V ± 0.05V |
| Max Charge Current | 0.5C |
| Standard Discharge | 0.2C |
| Max Discharge | 1C |
| Cut-off Voltage | 3.0V |
| Cycle Life | ≥500 cycles (≥80% retention) |
| Self-discharge | ≤3% / month |
| Operating Temp | -20°C ~ +60°C |
| Storage Temp | -20°C ~ +45°C |
Product Highlights
① One Supplier, Multiple Models Source all your compact LiPo battery needs from a single certified manufacturer — simplifying supplier management, reducing audit costs, and ensuring consistent quality across product lines.
② Flexible Pouch Design Soft-pack pouch structure allows for lightweight, thin-profile integration compared to cylindrical or prismatic cells — ideal for wearables, earphone cases, and slim handheld devices.
③ High Consistency Per Batch Automated electrode coating and formation processes ensure tight capacity (±20mAh) and internal resistance (±5mΩ) tolerances across bulk orders.
④ Full Customization Available
- Custom dimensions outside standard models
- Capacity: 50mAh – 10,000mAh
- Connector: JST 1.25 / PH2.0 / Molex / bare wire
- PCB protection: standard or smart BMS
- White label or custom branding
Typical Applications
| Scenario | Recommended Model |
|---|---|
| TWS Earphone Charging Case | 602535 / 702030 |
| Smart Watch / Fitness Band | 802030 / 802035 |
| Bluetooth Speaker | 803040 / 803030 |
| GPS Personal Tracker | 802030 / 902030 |
| IoT Sensor / Smart Remote | 602535 / 702030 |
| Digital Pen / Video Pen | 702030 / 802035 |
Quality Assurance
- ✅ 100% OCV & capacity grading per unit
- ✅ Internal resistance batch consistency screening
- ✅ Needle penetration, overcharge & crush safety tested
- ✅ Anti-static + foam cushion packaging
- ✅ Batch test report & MSDS available on request
Certifications
| Certification | Scope |
|---|---|
| UN38.3 | Air & sea transport compliance |
| IEC 62133 | International safety standard |
| 3C | China compulsory certification |
| RoHS | Hazardous substance compliance |
| MSDS / SDS | Customs documentation |
Ordering Information
| Item | Details |
|---|---|
| MOQ | 1 pc (sample) / 100 pcs per model (bulk) |
| Sample Lead Time | 3–5 business days |
| Bulk Lead Time | 7–15 business days |
| Custom Lead Time | 15–25 business days |
| Payment | T/T / L/C / Alibaba Trade Assurance |
| Packaging | Anti-static bag + inner box + carton |
| Shipping | DHL / FedEx / UPS / Sea freight |
FAQ
Q: Can I order different models in one shipment? A: Yes. Mixed model orders are accepted. Minimum 100pcs per model for bulk pricing.
Q: Do all models have the same connector? A: Default connector is JST PH2.0. Custom connector type and wire length available for each model.
Q: Which model is best for TWS earphone charging cases? A: We recommend 602535 or 702030 for their slim profile and capacity balance. Contact us with your enclosure dimensions for a precise recommendation.
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