3.7V 1100mAh Ultra-Thin Li-Po Battery with Protection
Power your slim electronics with this high-efficiency 3.7V 1100mAh lithium polymer battery. Featuring a ultra-thin 1.1mm profile and integrated protection circuit, this 4.07Wh battery delivers reliable, safe power for space-constrained applications. Ideal for wearable tech, portable gadgets, and IoT devices requiring lightweight, long-lasting energy.
Description
Model AS103035 – Ultra-Thin High Capacity LiPo Battery Pack
Voltage: 3.7V | Capacity: 1100mAh (4.07Wh) | Size: 38.0×30.5×1.1mm

Engineered for modern compact electronics, this AS103035 Lithium Ion Polymer Battery combines high energy density with an ultra-slim form factor. The built-in protection circuit safeguards against overcharge, over-discharge and short circuits, ensuring safe operation and extended battery life. With its lightweight design and flexible AWG26 wires, this battery is easy to integrate into tight spaces without compromising performance.
Technical Specifications
| Battery Type | Lithium Ion Polymer Battery |
| Part Number | AS103035 |
| Voltage @ Capacity | 3.7V @ 1100mAh (4.07Wh) |
| Protection Circuit | Yes (PCM Included) |
| Thermistor (NTC) | / |
| Wires | UL3239 AWG26 50mm |
| Connector | / |
| Dimensions (L x W x T) | 38.0mm x 30.5mm x 1.1mm |
| Charge Current | 0.2C to 0.5C (Standard Charge) |
| Discharge Current | 0.5C to 1.0C (Continuous) |
| Storage Temperature | -20°C to +45°C |
Core Advantages
- ✔
Ultra-Thin Design: Only 1.1mm thick, fits seamlessly into slim devices like smartwatches and portable medical equipment. - ✔
Built-in Safety: Integrated PCM prevents damage from overvoltage, undervoltage and short circuits, enhancing device reliability. - ✔
High Energy Density: Delivers 4.07Wh of power in a compact footprint, maximizing runtime without adding bulk. - ✔
Lightweight & Flexible: Minimal weight and bendable wires enable easy installation in confined spaces. - ✔
Wide Operating Range: Functions reliably from -20°C to +45°C, suitable for diverse environmental conditions.
Perfect For Applications
Smartwatches, fitness bands and smart glasses.
Glucose monitors, pulse oximeters and diagnostic tools.
Wireless sensors, GPS trackers and asset tags.
E-readers, Bluetooth headsets and portable audio.
Compact power sources for hobbyist builds and prototypes.
Customization Services
We offer full customization to meet your specific requirements:
- Capacity & Voltage: Adjust mAh rating or voltage to match your device’s power needs.
- Dimensions: Modify length, width or thickness to fit unique form factors.
- Connector Types: Add JST, PH, Molex or other connectors as needed.
- Wire Length & Gauge: Customize wire length and AWG size for your application.
- NTC Thermistor: Add temperature sensing capability for enhanced safety monitoring.
- Branding & Packaging: Include your logo, custom labeling or bulk packaging options.
Contact us today to tailor this battery pack to your exact specifications and power your next innovation with precision and reliability.











