3.7V 100mAh Lithium-ion Polymer Battery AS302025
High-performance 3.7V 100mAh Lithium-ion Polymer Battery (Model AS302025). Features a compact design perfect for wearables and small IoT devices. Includes pre-soldered wires and connector. Full customization available for capacity, size, and cables.
Description
Model AS302025- Lithium-ion Polymer Battery
Voltage: 3.7V | Capacity: 100mAh (0.37Wh) | Size: 27×20.5×3.1mm

This premium AS302025 Lithium-ion Polymer Battery is perfectly engineered for space-limited portable electronics. It outputs stable and reliable power with outstanding cycle durability and built-in safety protection. Suitable for battery replacement and new product design, it serves as a compact and efficient power solution for mini electronic devices.
Technical Specifications
| Battery Type | Lithium-ion Polymer Battery |
| Part Number | AS302025 |
| Voltage @ Capacity | 3.7V @ 100mAh (0.37Wh) |
| Protection Circuit | Yes |
| Thermistor (NTC) | / |
| Wires | UL1571 28AWG 50mm |
| Connector | / |
| Dimensions (L x W x T) | 27mm x 20.5mm x 3.1mm |
| Charge Current | 0.2C to 0.5C |
| Discharge Current | 0.5C to 1.0C |
| Storage Temperature | 15°C to +35°C |
Core Advantages
- ✔
Ultra Light & Mini Size: Only 2g weight, design fits tiny device inner space. - ✔
Reliable Safety Guard: Built-in protection circuit prevents overcharge, overdischarge and short circuit. - ✔
Long Service Life: Supports over 500 charging cycles with stable capacity retention. - ✔
Stable Power Output: Consistent performance adapts multiple low-power electronic equipment.
Wide Application Fields
IoT & Portable Players
Bluetooth anti-lost trackers, low-power Bluetooth Beacons, micro temperature & humidity sensor tags, card-sized mini MP3 players
Bluetooth anti-lost trackers, low-power Bluetooth Beacons, micro temperature & humidity sensor tags, card-sized mini MP3 players
Wireless Audio
Auxiliary batteries for TWS charging cases, compact wearable Bluetooth mini speakers
Auxiliary batteries for TWS charging cases, compact wearable Bluetooth mini speakers
Wearable Gadgets
Slim kids mini bracelets, wearable sleep & heart rate sensor patches
Slim kids mini bracelets, wearable sleep & heart rate sensor patches
Small RC Toys
Mini Medium RC Car Remote
Mini Medium RC Car Remote
OEM & ODM Customization Service
- Cable & Connector Custom: Custom wire length, assemble JST, Molex, PHR and other connectors.
- BMS Protection Upgrade: Optimize battery management system for enhanced safety performance.
- Packaging Solution: Support retail package and industrial bulk packing modes.
- Brand Labeling: Custom printed logo and exclusive identification labels on demand.

Safety Tips: Avoid over charging over 4.2V and over discharging below 2.75V. Store in cool dry environment. Datasheet and MSDS documents are available upon request.








