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503035 3.7V 500mAh LiPo Battery
$0.88
503035 3.7V 500mAh LiPo battery for GPS trackers, pet collars, medical monitors and wireless sensors. CE/RoHS/UN38.3 certified.
The HNF-503035 is a 5mm-thin mid-capacity lithium polymer battery rated at 500mAh at 3.7V in a 30 x 35mm format. Its slim-yet-roomy profile offers a good balance of capacity and thinness for devices like compact GPS trackers, portable medical monitors, wireless sensors, and smart home controllers. 180mΩ impedance and PCM protection deliver stable, safe power for a wide range of portable applications.
Model number: HNF-503035 500mAh 3.7V
Nominal voltage: 3.7 V
Nominal capacity: 500 mAh
Dimension: 5.0 x 30 x 35 mm
Cell configuration: 1S1P
Certification: CE / RoHS / IEC62133 / UN38.3 / MSDS
Warranty: 12 months
Specifications
| Item | Rating | Remark |
|---|---|---|
| Model | HNF-503035 500mAh 3.7V | |
| Nominal Capacity | 500 mAh | Standard discharge (0.2C5A) after standard charge |
| Nominal Voltage | 3.7 V | |
| Dimension | 5.0 x 30 x 35 mm | |
| Weight | Approx: 8 g | |
| Cut-off Charge Voltage | 4.2 V | |
| Cut-off Discharge Voltage | 3.0 V | |
| Initial Impedance | ≤ 180 mΩ | |
| Standard Charge | 0.2C CC charge to CV then CV till current ≤0.01C | Charge time: approx. 7.0 h |
| Standard Discharge | Discharge at 0.2C5A to cut-off voltage | |
| Cycle Life | ≥500 cycles, 80% capacity retention | |
| Operating Temperature | Charge 0~+45℃ / Discharge -20~+60℃ | |
| Storage Temperature | -10~+45℃ | |
| Storage Humidity | 45-75% RH |
Application Field
Compact GPS trackers and pet collars, portable medical monitors, wireless sensors and alarm systems, smart home controllers, handheld gaming devices.
Main Advantages
- High energy density, stable 3.7V nominal voltage
- High-drain capable, stable discharge performance
- Lightweight and ultra-thin; dimensions customizable on request
- Extremely safe, low self-discharge, long cycle life (≥500 cycles, 80% capacity retention)
- Reliable PCM protection against over-charge and over-discharge
- Wide operating temperature: -20℃ ~ +60℃
FAQ
Q: Do you accept customization?
A: Yes. We are a professional custom lithium battery manufacturer. Share your required voltage, capacity, and dimensions.
Q: Can this be shipped by air?
A: 1.85 Wh — well within the 100Wh limit, suitable for air freight with MSDS & UN38.3 documentation.
Q: Do you offer samples?
A: Samples are available; sample cost is refunded once a bulk order is confirmed.
Q: What is the MOQ?
A: In-stock items have no MOQ. For customized cells, MOQ is typically 3,000-10,000 pcs depending on size and capacity.
Q: How is quality assured?
A: Multi-stage quality control across R&D, incoming inspection, production, pre-shipment, and after-sales, fully certified with CE, RoHS, and IEC62133.
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