3.7V 650mAh Li-Polymer Battery Pack AS902535
Optimize your compact device designs with the AS902535 Ultra-Slim Lithium Polymer Battery. Delivering 650mAh of reliable capacity in a package less than 10mm thick, this 3.7V battery is engineered for space-constrained applications. Featuring an integrated Protection Circuit Module (PCM) to prevent overcharging and short circuits, it combines safety with a lightweight form factor. Equipped with UL1571 AWG26 wires and a standard XHR-2P connector, it is the ideal power source for wearable tech, handheld gadgets, and sleek consumer electronics.
Description
Model AS902535 – Slim LiPo Battery
Voltage: 3.7V | Capacity: 650mAh (2.405Wh) | Size: 38×25.5×9.1mm

The AS902535 is a versatile and compact power solution designed for modern portable electronics where weight and volume are critical. This rechargeable LiPo battery offers a balance of energy density and safety, providing 2.405Wh of power in a highly manageable form factor.
The inclusion of a protection circuit ensures longevity and safety, making it a worry-free choice for product designers. Whether you are building a custom IoT sensor or a handheld medical device, the AS902535 delivers consistent voltage and reliable discharge performance.
Technical Specifications
| Battery Type | Lithium Ion Polymer Battery |
| Part Number | AS902535 |
| Voltage @ Capacity | 3.7V @ 650mAh (2.405Wh) |
| Protection Circuit | Yes (PCM Included) |
| Dimensions (L x W x T) | 38.0mm x 25.5mm x 9.1mm |
| Connector & Wire | XHR-2P Connector Wire: UL1571 AWG26 100mm |
| 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-Slim Form Factor: With a thickness of only 9.1mm, this battery fits easily into tight, flat enclosures, maximizing design flexibility. - ✔
Integrated Safety Protection: The built-in Protection Circuit Module (PCM) safeguards the cell against over-voltage, over-current, and short circuits. - ✔
High-Quality Cabling: Features 100mm long UL1571 AWG26 wires, providing ample length for internal routing. - ✔
Standard Connector: Equipped with a reliable XHR-2P connector for secure connection.
Perfect For Applications
Smart wristbands, fitness trackers, GPS pet collars.
Bluetooth speakers, MP3 players, voice recorders.
Wireless sensors, smart door locks, remote controls.
Electric toothbrushes, facial cleansing brushes.
Customization Services (OEM/ODM)
We understand that every product is unique. Our services allow you to tailor the AS902535 to your specific needs:
- Connector Customization: Replace XHR-2P with JST, Molex, or custom connectors.
- Wire Length & Gauge: Adjust wire length or thickness to fit your assembly.
- Battery Shape: Modify dimensions or combine cells for higher voltage/capacity.
- Branding: Add your logo or specific labeling to the shrink wrap.











