Lithium Ion Battery 902025 3.7V 500mAh 1.85wh Power Li-polymer Battery For Smart Watch
Price:
Negotiable
MOQ:
100pcs
Delivery Time:
7-10days
Brand:
RESKY
Product Description
LP902525 Lithium Polymer Battery
3.7V 500mAh 1.85Wh compact power solution designed for smart watches and small electronic devices
Product Specifications
| Model Number | LP902525 |
| Nominal Capacity | 500mAh |
| Charging Current | 0.2C |
| Continuous Discharging Current | 0.5C |
| Maximum Discharging Current | 1C |
| Weight | 9g |
| Minimum Order Quantity | 10PCS |
| Lead Time | 5-10 workdays |
| Connector Options | JST, Molex, and others |
| Dimensions | 9×25×25mm |
Technical Specifications
| Parameter | Specification |
|---|---|
| Battery Type | 3.7V 500mAh Li-polymer |
| Charge Voltage | 4.2V |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 500mAh @ 0.2C Discharge |
| Charge Current | Standard: 0.5C, Rapid: 1.0C |
| Standard Charging Method | 0.5C CC to 4.2V, then CV 4.2V until current ≤0.05C |
| Charging Time | Standard: 2.75 hours, Rapid: 2 hours |
| Maximum Charge Current | 0.5C |
| Maximum Discharge Current | 1.0C |
| Discharge Cut-off Voltage | 2.5V ±0.25V (0.2C) |
| Operating Temperature | Charging: 0°C~45°C, Discharging: 0°C~45°C |
| Storage Temperature | -10°C~+45°C |
| Dimensions | Length: 25±2mm, Width: 25±0.5mm, Thickness: 9±0.2mm |
| Drop Test | 1 meter drop onto concrete twice - No fire, no leakage |
| Cycle Life | ≥500 cycles |
Key Advantages
- Square compact design with high space adaptability
- High energy density for optimal battery life and size balance
- Excellent low-temperature performance with wide environmental adaptability
- Safe and reliable operation with minimal risk
- Lightweight construction that minimizes device burden
Application Areas
Medical & Health Monitoring
- Portable medical devices: blood glucose meters, blood pressure monitors, thermometers
- Wearable health monitors: heart rate monitors, pulse oximeters, sleep monitors
- Hearing aids (ultra-thin, barely noticeable)
- Portable physiotherapy devices: massagers, heating pads, small medical instruments
IoT & Smart Home
- Miniature environmental monitoring sensors
- Smart controls: Bluetooth remotes, smart home panels
- Security systems: miniature cameras, door/magnetic sensors, motion detectors
- Smart meters: water, electricity, gas meters, smart sockets
- Small appliances: electric toothbrushes, beauty devices, aromatherapy diffusers
Professional Applications
- Wireless communication: walkie-talkies, WiFi modules, signal repeaters
- GPS tracking: pet tracking, child safety devices
- Industrial inspection: portable measuring instruments, data acquisition devices
- Remote control models: small drones, model airplanes
- Lighting equipment: headlamps, flashlights, emergency lights
Storage Guidelines
- Temperature and humidity: Ideal storage at 15-25°C, avoid temperatures above 35°C or humid environments
- Power management: Maintain 50% charge for long-term storage, avoid full charge or over-discharge
- Isolation and protection: Keep away from fire and flammable materials, use fireproof containers with adequate ventilation
Certifications & Compliance
CE, ROHS, MSDS, UN38.3, 1.2m drop testing, IEC62133, and other relevant standards
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Resky Electronics Co., Ltd.
Location
Room 1405-1, Building 3B, Huaqiang Idea Park, Guangming Street, Guangming District, Shenzhen, Guangdong Province,China
Contact Person
Alice