ASOL 702530 Lithium Polymer Battery — A high-quality rechargeable Lithium Polymer soft pack battery engineered for portable consumer electronics. Delivering 250mAh (0.925Wh) in a compact 7.0×25.5×32.5mm form factor, this battery is specifically designed for GPS trackers, pet trackers, smart rings, smart sensors, and smart pens. The aluminum-laminated soft pack construction provides superior energy density, lighter weight, and greater design flexibility compared to traditional cylindrical lithium-ion cells, making it the preferred choice for modern slim and portable product designs.
Why Polymer vs Cylindrical?
Unlike traditional cylindrical batteries, lithium polymer batteries offer:
- Compact Form Factor — Slim profile fits tight, elongated enclosures in portable devices
- Flexible Shape — Adapts to custom enclosures and unique device geometries
- Lightweight — Reduces overall product weight for wearable and handheld devices
- No Pressure Vents — Safer for sealed consumer electronics enclosures
- Higher Energy Density — More capacity in the same or smaller footprint
- Customization — Wires, connectors, and protection circuits can be added
Key Features
Compact power, built to last
250mAh (0.925Wh) powers GPS trackers, smart rings, and IoT devices.
Aluminum-laminated polymer, lightweight and flexible form factor.
≤200mΩ for efficient power delivery and stable voltage output.
Long service life with minimal capacity fade (100% DOD, 0.5C).
Charge 0–45°C, discharge -20–60°C for versatile environments.
Available with wires, connectors, or protection circuits (PCM/PTC).
Safe for air transport worldwide.
Custom dimensions, capacity, connectors, and branding available.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 702530 |
| Cell Type | Lithium Polymer (Lithium Polymer) Soft Pack |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 250mAh |
| Energy | 0.925Wh |
| Dimensions | 7.0mm × 25.5mm × 32.5mm (T×W×H) |
| Thickness | 32.5mm |
| Configuration | 1S1P |
| AC Impedance | ≤100mΩ |
| Charge Voltage | 4.2V |
| Standard Charge Current | 125mA (0.5C) |
| Max Charge Current | 250mA (1C) |
| Discharge Cut-off | 3.0V |
| Max Discharge Current | 250mA (1C) |
| Charge Temperature | 0~45°C |
| Discharge Temperature | -20~60°C |
| Storage Temperature | -10~35°C (recommended for long-term storage) |
| Cycle Life | ≥500 cycles (100% DOD, 0.5C charge/discharge, 80% retention) |
| Weight | Approx. 5~6g (varies by configuration) |
| Certifications | UN38.3 |
Applications
Where the 702530 is used
Vehicle, asset & personal location trackers
GPS pet collars and activity monitors
Health, sleep & fitness tracking rings
Wireless IoT and environmental sensors
Digital styluses and connected writing pens
Why ASOL
Factory-direct, fully customizable
Connector, wire gauge, heat-shrink color, custom brand label, BMS & housing.
Integrated PCB against overcharge, over-discharge, overcurrent & short circuit.
Grade-A cells, voltage-matched ±10mV for stable, reliable performance.
Sample evaluation may be available for selected cylindrical and lithium polymer battery projects, subject to specification review and product availability. Sample freight is paid by the customer.
Inspection requirements and acceptance criteria are confirmed for each project before order release.
UN38.3 Class 9 air & sea · DHL/FedEx/UPS · EXW/FOB/CIF/DDP.
Wholesale Pricing
| Quantity | Unit Price | Savings |
|---|---|---|
| 100-499 pcs | Contact us | - |
| 500-999 pcs | Contact us | 8% off |
| 1000+ pcs | Contact us | 15% off |
Custom specifications are welcome. Sample evaluation may be available for selected cylindrical and lithium polymer battery projects, subject to specification review and product availability. Sample freight is paid by the customer. Contact us for project-specific pricing and timing after specification review.
Frequently Asked Questions
What are the key specifications of the ASOL 702530 3.7V 250mAh Lithium Polymer Battery Cell?
The ASOL 702530 3.7V 250mAh Lithium Polymer Battery Cell is a 3.7V 250mAh lithium battery, built in a 1S1P configuration, measuring 7.0mm × 25.5mm × 32.5mm, weighing ~5~6g.
What is the maximum discharge current of the ASOL 702530 3.7V 250mAh Lithium Polymer Battery Cell?
The ASOL 702530 3.7V 250mAh Lithium Polymer Battery Cell supports a maximum continuous discharge current of 250mA.
How many charge cycles does the ASOL 702530 3.7V 250mAh Lithium Polymer Battery Cell last?
The ASOL 702530 3.7V 250mAh Lithium Polymer Battery Cell is rated for ≥500 cycles, for years of dependable performance in your device.
What safety certifications does the ASOL 702530 3.7V 250mAh Lithium Polymer Battery Cell have?
It is certified to UN38.3, with test reports supplied on request for compliance.
Does ASOL offer OEM/ODM customization for the ASOL 702530 3.7V 250mAh Lithium Polymer Battery Cell?
Absolutely. As the manufacturer, ASOL tailors the cell — voltage, capacity, connector, wiring and private-label printing — to match your device and production volume through our OEM/ODM service.
Can I get a sample or a quote for the ASOL 702530 3.7V 250mAh Lithium Polymer Battery Cell?
Sample evaluation may be available for selected cylindrical and lithium polymer battery projects, subject to specification review and product availability. Sample freight is paid by the customer. For a quote, email info@asolbattery.com or WhatsApp +86 15779858703 — replies typically arrive within 24 hours on working days.
Contact Us
| Channel | Information |
|---|---|
| info@asolbattery.com | |
| +86 15779858703 | |
| Website | www.asolbattery.com |
| Response Time | 24 Hours on Working Days |
Need a different size or capacity? Explore ASOL’s full lithium polymer battery range →
