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351423 3.7V 900mAh LiPo Battery
$0.85
351423 3.7V 900mAh LiPo battery, ultra-thin cell for wireless earbuds, smart rings and micro IoT sensors. CE/RoHS/UN38.3 certified.
The HNF-351423 is an ultra-thin 3.5mm lithium polymer battery delivering 900mAh at 3.7V in a compact 14 x 23mm footprint. Its tiny, low-profile design is purpose-engineered for miniature electronics — wireless earbuds, smart rings, medical patches, and micro IoT sensors where every millimeter of thickness and every gram of weight matter. Despite its size, it delivers stable 3.7V output with low self-discharge for long standby operation.
Model number: HNF-351423 900mAh 3.7V
Nominal voltage: 3.7 V
Nominal capacity: 900 mAh
Dimension: 3.5 x 14 x 23 mm
Cell configuration: 1S1P
Certification: CE / RoHS / IEC62133 / UN38.3 / MSDS
Warranty: 12 months
Specifications
| Item | Rating | Remark |
|---|---|---|
| Model | HNF-351423 900mAh 3.7V | |
| Nominal Capacity | 900 mAh | Standard discharge (0.2C5A) after standard charge |
| Nominal Voltage | 3.7 V | |
| Dimension | 3.5 x 14 x 23 mm | |
| Weight | Approx: 7 g | |
| Cut-off Charge Voltage | 4.2 V | |
| Cut-off Discharge Voltage | 3.0 V | |
| Initial Impedance | ≤ 250 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
Wireless earbuds and hearables, smart rings and mini wearables, medical adhesive patches, micro IoT sensor nodes, compact smart tags and key finders.
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: 3.33 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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