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503040 3.7V 600mAh LiPo Battery
$1.18
503040 3.7V 600mAh LiPo battery, versatile cell for portable media players, handheld toys and compact Bluetooth speakers. CE/RoHS/UN38.3 certified.
503040 3.7V 600mAh LiPo battery from HNF Battery (model 503040) is engineered for compact, reliable power in a slim footprint. This pack pairs dependable PCM protection with consistent capacity, making it a trusted choice for OEM integrators worldwide.
The HNF-503040 is a 5mm-thin lithium polymer battery delivering 600mAh at 3.7V in a 30 x 40mm footprint. Its combination of moderate capacity and slim thickness makes it a versatile choice for portable media players, handheld toys, digital voice recorders, and compact Bluetooth speakers. With 150mΩ low internal resistance, it supports efficient charge and discharge while PCM protection ensures operational safety.
Model number: HNF-503040 600mAh 3.7V
Nominal voltage: 3.7 V
Nominal capacity: 600 mAh
Dimension: 5.0 x 30 x 40 mm
Cell configuration: 1S1P
Certification: CE / RoHS / IEC62133 / UN38.3 / MSDS
Warranty: 12 months
Specifications
| Item | Rating | Remark |
|---|---|---|
| Model | HNF-503040 600mAh 3.7V | |
| Nominal Capacity | 600 mAh | Standard discharge (0.2C5A) after standard charge |
| Nominal Voltage | 3.7 V | |
| Dimension | 5.0 x 30 x 40 mm | |
| Weight | Approx: 11 g | |
| Cut-off Charge Voltage | 4.2 V | |
| Cut-off Discharge Voltage | 3.0 V | |
| Initial Impedance | ≤ 150 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
Portable media players and voice recorders, handheld electronic toys, compact Bluetooth speakers, car key fobs and remote entry systems, wireless presentation clickers.
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: 2.22 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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