FYW 502540 3.7V 500mAh Lithium Polymer Battery Rechargeable LiPo Pouch Cell for Wearable Electronics
Basic Properties
Trading Properties
| Battery Type: | Rechargeable Lithium Polymer Pouch Cell | Model Number: | 502540 |
| Nominal Voltage: | 3.7V | Typical Capacity: | 500mAh |
| Rated Energy: | 1.85Wh | Cell Dimensions: | MAX 5.0(T) X 25.0(W) X 40.0(L) Mm |
| Charge Voltage: | 4.2V +/- 0.05V | Discharge Cut-off Voltage: | 3.0V |
| Standard Charge Current: | 0.5C (250mA) | Max Charge Current: | 1.0C (500mA) |
| Max Discharging Current: | 1.0C (500mA) | Cycle Life: | 300-500 Cycles |
| Operating Temperature: | Charge 0-45C / Discharge -20-60C | Approx. Weight: | ~9.5g |
| Protection Circuit: | Optional PCM | Short Circuit Protection: | Yes |
| Certification: | MSDS, KC | Shipping Way: | UPS / TNT / FedEx / DHL |
| High Light: | 502540 5mm Thin LiPo Cell,3.7V 500mAh True Capacity,MSDS KC Certified Rechargeable Cell |
||
502540 3.7V 500mAh Lithium Polymer Battery — Rechargeable LiPo Pouch Cell
The FYW 502540 is a compact, rechargeable lithium polymer (LiPo) pouch cell engineered for OEM/ODM projects that demand thin, light and reliable power. With a nominal voltage of 3.7V, a true capacity of 500mAh and an energy rating of 1.85Wh, it delivers stable, consistent output for space-constrained electronic products. The prismatic pouch format (MAX 5.0 × 25.0 × 40.0 mm) allows designers to fit dependable energy storage into slim enclosures where cylindrical cells cannot go.
Manufactured in Shenzhen under strict quality control, every cell is fully tested and shipped with MSDS and KC certification, giving global buyers a compliant, ready-to-import power solution. Whether you are sourcing for wearables, Bluetooth audio, IoT sensors or portable medical gear, this cell offers an excellent balance of energy density, safety and cost.
Key Advantages
- Thin & lightweight — only ~5 mm thick, ideal for slim, wearable and portable products.
- True capacity — 500mAh rated / 1.85Wh energy for consistent, long run-time.
- Flexible customization — capacity, size, PCM/BMS, connector, wire length and labeling can be tailored to your BOM.
- Safety first — optional protected circuit, short-circuit protection and multi-layer sealing.
- Certified & compliant — MSDS and KC documentation available; CE / RoHS options on request.
Parameter Specification
| Parameter | Specification |
|---|---|
| Battery Type | Rechargeable Lithium Polymer (LiPo) Pouch Cell |
| Model / Cell Size Code | 502540 (5.0 × 25 × 40 mm) |
| Nominal Voltage | 3.7V |
| Typical Capacity | 500mAh |
| Rated Energy | 1.85Wh |
| Cell Dimensions | MAX 5.0 (T) × 25.0 (W) × 40.0 (L) mm |
| Charge Voltage | 4.2V ± 0.05V |
| Discharge Cut-off Voltage | 3.0V |
| Standard Charge Current | 0.5C (250mA) |
| Max Charge Current | 1.0C (500mA) |
| Max Discharging Current | 1.0C (500mA) |
| Internal Impedance | ≤ 120mΩ |
| Cycle Life | 300–500 cycles (capacity ≥ 80%) |
| Operating Temperature | Charge 0–45 °C / Discharge −20–60 °C |
| Storage Temperature | −20–45 °C |
| Approx. Weight | ~9.5 g |
| Protection Circuit (PCM) | Optional (over-charge / over-discharge / over-current / short-circuit) |
| Short Circuit Protection | Yes |
| Connector / Wire | Customizable (JST, Molex, solder tabs, etc.) |
| Certification | MSDS, KC (CE / RoHS on request) |
| OEM / ODM | Supported — size, capacity, label and PCM customization |
| Shipping | UPS / TNT / FedEx / DHL (UN38.3 & MSDS documents provided) |
Applications
Wearable electronics (smart watches, fitness bands, health monitors), Bluetooth headsets and speakers, IoT sensors and smart-home nodes, portable medical devices, GPS trackers, remote controls and other compact, rechargeable battery-powered products.
Customization & OEM
FYW supplies customized LiPo pouch cells built to your exact requirements. Tell us your target capacity, dimensions, PCM/BMS needs, connector type and labeling, and our engineering team will provide a matched sample for evaluation. Private-label and OEM programs are welcome.
Why Buy From FYW
- Factory-direct LiPo cell manufacturer based in Shenzhen, China.
- MOQ from 1000PCS with daily production capacity of 10,000 pieces.
- Fast delivery: typically one week after full payment.
- Professional export packing with blister trays for safe transport.
- Full technical support and reliable after-sales service.
Ready to power your next product? Contact our sales team for samples, datasheets and a bulk quotation today.
Related Products
3.7V 300mAh 701535 LiPo Pouch Cell 1.11Wh Rechargeable Battery with 10K NTC Temperature Control
Ultra-compact 3.7V 300mAh 701535 lithium polymer pouch cell with built-in 10K NTC temperature control. Grade A true capacity, MSDS/UN38.3 certified, customizable size and connector for wearables, IoT and consumer electronics.
2200mAh Li-Po Battery Cell 683585 3.7V Rechargeable Polymer Pouch for Power Bank Devices
2200mAh 3.7V lithium polymer pouch cell (model 683585) with OEM/ODM support and full export documentation.
PL-062540 3.7V 650mAh Lithium Polymer Battery Rechargeable LiPo Pouch Cell for Digital Devices
PL-062540 3.7V 650mAh rechargeable lithium polymer pouch cell with stable voltage output, 300-500 cycle life and full OEM customization for digital devices.
HYS 501535 3.7V 230mAh 0.851Wh Lithium Polymer Battery 5.0x15x35mm Pouch LiPo Cell for Music Equipment Headset
HYS 501535 rechargeable lithium polymer pouch cell: 3.7V nominal, 230mAh rated capacity, 0.851Wh energy, ultra-slim 5.0x15x35mm profile. Built for musical instruments, headsets and compact digital audio devices.
