3.7V 300mAh Round Li-Po Battery (35.5mm × 4.6mm) AS453535
Maximize space efficiency with the AS453535 Round Lithium Polymer Battery. Featuring a unique 35.5mm x 35.5mm circular shape and a slim 4.6mm profile, this 3.7V 300mAh battery delivers high energy density in a compact form factor. Ideal for smart home devices, wearables, and custom electronics where standard rectangular batteries don’t fit. OEM/ODM services available.
Description
Model AS453535 – Circular LiPo Bare Cell
Voltage: 3.7V | Capacity: 300mAh (1.11Wh) | Size: 35.5×35.5×4.6mm
The AS453535 is a high-performance Lithium Ion Polymer Battery designed specifically for devices requiring a circular power source. Unlike traditional pouch cells, this battery features a precision-engineered round shape that perfectly fits into cylindrical or disc-shaped internal structures, minimizing wasted space.
With a rated capacity of 300mAh (1.11Wh) and a standard voltage of 3.7V, it provides stable and reliable power for a wide range of low-power consumer electronics. The battery utilizes advanced polymer technology to ensure safety and longevity, supporting charge currents of 0.2C to 0.5C and discharge currents up to 1.0C. Whether you are designing a smart lock, a wearable health monitor, or a wireless sensor, the AS453535 offers the flexibility and power density you need.
Technical Specifications
| Battery Type | Lithium Ion Polymer Battery |
| Part Number | AS453535 |
| Voltage @ Capacity | 3.7V @ 300mAh (1.11Wh) |
| Protection Circuit | / |
| Thermistor (NTC) | / |
| Wires | / |
| Connector | / |
| Dimensions (Diameter x T) | 35.5mm x 4.6mm |
| 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
- ✔
Unique Circular Design: 35.5mm diameter allows seamless integration into round product housings, optimizing internal volume usage. - ✔
High Energy Density: Delivers 300mAh capacity within a remarkably thin 4.6mm thickness, extending runtime without adding bulk. - ✔
Lightweight & Flexible: Significantly lighter than cylindrical coin cells and offers superior shape flexibility. - ✔
Safe & Stable: Manufactured with high-quality materials for consistent performance across wide temperature ranges.
Perfect For Applications
Smart locks, smart doorbells and wireless sensors.
Smart watches, fitness trackers and VR/AR headset accessories.
GPS trackers, beacons and medical monitoring patches.
Wireless charging pads, electronic toys and LED lighting.
Customization Services
We understand that every device is unique. Our custom battery solutions include:
- Connector & Wiring: Add JST, Molex, PH2.0, XH2.54 and other custom connectors and cables.
- PCB Protection: Integrate custom Protection Circuit Module (PCM) for overcharge, overdischarge and short circuit protection.
- NTC & Thermistor: Add temperature sensors for intelligent battery management systems.
- Shape & Capacity: Tailor dimensions and capacity to fit your specific mold requirements.
