
ASOL 902035 Lithium Polymer Battery — A premium-grade rechargeable Li-Po soft pack battery designed for GPS tracking devices, smart wearables, and a wide range of portable consumer electronics. With a substantial capacity of 620mAh (2.29Wh) packed into a slim profile of just 9.5mm thick, this battery provides extended operating time for power-hungry devices like GPS trackers, smart watches, Bluetooth headphones, portable speakers, fitness trackers, TWS earbuds, medical devices, and electronic toys.
The aluminum-laminated polymer construction delivers superior energy density, lightweight design, and flexible integration options — outperforming traditional cylindrical cells in compact applications. Backed by UL, CB, KC, PSE, and UN38.3 certifications, the ASOL 902035 is trusted by manufacturers worldwide for safe, reliable, long-lasting power.
⭐ Most Popular Applications
GPS Tracker / Smart Watch / Bluetooth Headphone / Portable Speaker — these four categories account for the majority of ASOL 902035 battery orders. The 620mAh capacity provides the perfect balance of size and runtime for these devices.
🔋 Why Polymer vs Cylindrical?
Unlike traditional cylindrical batteries (such as 18650 or 14500), lithium polymer (Li-Po) batteries offer distinct advantages for compact consumer devices:
- Slim & Compact — At only 9.5mm thick, the 902035 fits perfectly in slim wearable enclosures that cylindrical batteries cannot accommodate
- Flexible Form Factor — Soft pack design adapts to custom curved enclosures, ideal for smart watches and wearable devices
- Lightweight — Significantly lighter than cylindrical cells, reducing overall device weight for comfortable all-day wear
- No Pressure Vents Needed — Safer for sealed, compact consumer electronics enclosures without ventilation requirements
- Higher Energy Density — 620mAh capacity in a compact footprint, maximizing runtime without increasing device size
- OEM-Friendly Shape — Custom dimensions allow direct drop-in replacement for specific device battery compartments
Key Features
- 🔋 High Capacity — 620mAh / 2.29Wh delivers extended runtime for GPS trackers, smart watches, and Bluetooth headphones
- 📦 Ultra-Slim Soft Pack — Aluminum-laminated polymer construction, only 9.5mm thick, lightweight and flexible
- ⚡ Low Impedance — ≤150mΩ internal resistance for stable voltage output and efficient power delivery
- 🔄 Long Cycle Life — ≥500 charge/discharge cycles with minimal capacity degradation
- 🌡️ Wide Temperature Range — Operates from -20°C to 55°C (discharge), charges at 0°C to 45°C
- 🔧 Custom Integration Options — Available with or without PCM protection, customizable wires, connectors, and tabs
- ✅ Multi-Certification — UL, CB, KC, PSE, UN38.3 — compliant for global markets and safe air transport
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 902035 |
| Cell Type | Lithium Polymer (Li-Po) Soft Pack |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 620mAh |
| Energy | 2.29Wh |
| Dimensions | 9.5×20.5×38mm (T×W×H) |
| Thickness | 9.5mm |
| Configuration | 1S1P |
| Impedance (ACR) | ≤150mΩ |
| Charge Voltage | 4.2V |
| Charge Current | 310mA (0.5C) |
| Discharge Cut-off | 2.5V |
| Max Discharge Current | 620mA (1C) |
| Charge Temp | 0~45°C |
| Discharge Temp | -20~55°C |
| Cycle Life | ≥500 cycles (at 0.5C, 25°C) |
| Certifications | UL, CB, KC, PSE, UN38.3 |
Applications — Compatible Devices
⭐ GPS & Tracking Devices (Most Popular)
- Personal GPS Trackers — Elderly care locators, child safety trackers, solo traveler devices
- Pet GPS Trackers — Dog and cat smart collars with real-time location tracking
- Vehicle GPS Trackers — Car/motorcycle/bicycle anti-theft locators
- Asset GPS Trackers — Luggage, packages, and high-value equipment tracking
⭐ Smart Wearables (Most Popular)
- Smart Watches — GPS-enabled adult smart watches, sports watches, fashion smart watches
- Children’s Smart Watches — 4G/LTE kids watches with calling and location features
- Fitness Trackers — Activity bands, step counters, heart rate monitors
- Smart Rings — Smart finger rings for health monitoring and gesture control
⭐ Audio Devices (Most Popular)
- Bluetooth Headphones — Over-ear, on-ear, and neckband wireless headphones
- TWS Earbuds — True wireless stereo earbuds and charging cases
- Gaming Headsets — Wireless gaming headphones with surround sound
- Portable Bluetooth Speakers — Mini waterproof speakers, travel speakers, outdoor speakers
Health & Medical
- Portable Health Monitors — Blood pressure monitors, pulse oximeters, health tracking devices
- Medical Sensors — Portable diagnostic equipment and medical sensors
- Smart Body Scale — Smart weighing scales with Bluetooth connectivity
Consumer Electronics & Smart Home
- Smart Home Sensors — Door/window sensors, motion detectors, temperature sensors
- Digital Cameras — Compact cameras, dash cams, action cameras
- Smart Remotes — Universal remote controls with rechargeable batteries
- Interactive Learning Devices — Educational toys, language translators
Why Choose ASOL Li-Po Batteries?
ASOL is a professional lithium polymer battery manufacturer specializing in soft pack Li-Po batteries for consumer electronics. With years of expertise in battery R&D and manufacturing, ASOL delivers consistent, high-quality batteries trusted by leading brands worldwide.
The ASOL 902035 is engineered to meet the demanding power requirements of GPS tracking devices and smart wearables. Its slim 9.5mm profile and robust 620mAh capacity make it the ideal power solution for devices where space is limited but runtime cannot be compromised. Every battery undergoes rigorous quality control, including capacity testing, impedance measurement, cycle life verification, and safety inspections — all backed by our multi-standard certifications: UL, CB, KC, PSE, and UN38.3 for safe and legal global shipping by air.
Whether you’re sourcing batteries for GPS tracker production, smart watch OEM/ODM projects, or consumer electronics manufacturing, ASOL provides reliable power solutions with competitive wholesale pricing, flexible MOQ, and responsive technical support.
Wholesale Pricing & Samples
| Quantity | Unit Price | Savings |
|---|---|---|
| 100-499 pcs | Contact us | — |
| 500-999 pcs | Contact us | 8% off |
| 1000+ pcs | Contact us | 15% off |
Sample orders and custom specifications available. Contact us for bulk pricing and lead times.
Contact Us
| Channel | Information |
|---|---|
| info@asol-battery.com | |
| +86 15779858703 | |
| 🌐 Website | www.asol-battery.com |
| ⏰ Response Time | 24 Hours on Working Days |










