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701845 3.7V 550mAh LiPo Battery
$1.72
Model 701845 3.7V 550mAhlithium 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
The 701845 is a 3.7V 550mAh rechargeable lithium polymer battery equipped with a built-in PCB protection circuit, delivering reliable and safe power for a wide range of compact electronic applications. Its slim soft-pack design, stable discharge performance, and certified safety compliance make it a trusted choice for GPS device manufacturers, digital product OEMs, and IoT solution providers worldwide.
Key Specifications
| Parameter | Value |
|---|---|
| Model | 701845 |
| Nominal Voltage | 3.7V |
| Typical Capacity | 550mAh |
| Energy | 2.035Wh |
| Cell Dimension | 7.0 × 18 × 45 mm |
| Cell Type | Lithium Polymer (LiPo / Soft Pack) |
| Charge Voltage | 4.2V ± 0.05V |
| Max Charge Current | 0.5C (275mA) |
| Standard Discharge Current | 0.2C (110mA) |
| Max Continuous Discharge | 1C (550mA) |
| Discharge Cut-off Voltage | 3.0V |
| PCB Protection | Overcharge / Over-discharge / Short-circuit |
| Cycle Life | ≥500 cycles (≥80% capacity retention) |
| Self-discharge Rate | ≤3% / month (at 20°C) |
| Operating Temperature | -20°C ~ +60°C |
| Storage Temperature | -20°C ~ +45°C |
| Weight | Approx. 12g |
Product Highlights
① Built-in PCB Protection Circuit Integrated overcharge, over-discharge, and short-circuit protection ensures safe operation across all application environments — reducing product liability risk for OEM customers and extending overall battery lifespan.
② Compact Slim Profile At just 7.0mm thin, the 701845 fits precisely into space-limited enclosures common in GPS trackers, handheld scanners, and digital measuring instruments.
③ Stable Low-Current Discharge Optimized for devices with steady low-power consumption, delivering flat discharge curves and consistent runtime — critical for GPS tracking and IoT sensor applications.
④ OEM/ODM Ready
- Connector: JST 1.25 / 2.0 / PH2.0 / bare wire / custom
- Wire length: customizable
- Label & branding: white label or customer logo
- Capacity: adjustable from 50mAh to 10,000mAh
Typical Applications
| Industry | Application Examples |
|---|---|
| GPS & Tracking | Vehicle trackers, personal locators, asset tags |
| Digital Products | Digital cameras, voice recorders, video pens |
| Industrial IoT | Smart meters, handheld terminals, barcode scanners |
| Medical Devices | Portable monitors, infusion pumps, hearing aids |
| Smart Wearables | Smart bands, children’s watches, pet trackers |
Quality Assurance
- ✅ 100% OCV & capacity testing before shipment
- ✅ Internal resistance screening for batch consistency
- ✅ PCB protection function verified per unit
- ✅ Anti-static bag + foam cushion packaging
- ✅ Batch test report available upon request
Certifications
| Certification | Scope |
|---|---|
| UN38.3 | Air & sea transport compliance |
| IEC 62133 | International portable battery safety |
| 3C | China compulsory certification |
| RoHS | Hazardous substance compliance |
| MSDS / SDS | Customs & logistics documentation |
Ordering Information
| Item | Details |
|---|---|
| MOQ | 1 pc (sample) / 100 pcs (bulk) |
| Sample Lead Time | 3–5 business days |
| Bulk Lead Time | 7–15 business days |
| Custom Order Lead Time | 15–25 business days |
| Payment Terms | T/T / L/C / Alibaba Trade Assurance |
| Packaging | Anti-static bag + inner box + outer carton |
| Shipping | DHL / FedEx / UPS / Sea freight |
FAQ
Q: Does the battery come with a connector by default? A: Standard version comes with JST PH2.0 connector. Custom connector types and wire lengths are available upon request.
Q: Can the PCB protection be removed for custom BMS integration? A: Yes. We offer bare cell version (without PCB) for customers who prefer to integrate their own BMS or protection circuit.
Q: Is this battery suitable for low-temperature environments? A: Standard operating range is -20°C ~ +60°C. For extreme cold environments (below -20°C), we recommend our extended temperature series — please contact us for details.
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