3.8V 1600mAh Li-Polymer Battery Pack with NTC & Protection AS603163
Compact and reliable 3.8V 1600mAh Li-Polymer battery pack (Model AS603163) with integrated protection circuit and NTC thermistor. This 6.08Wh rechargeable battery is designed for safe, long-lasting power in slim portable devices.
Description
Model AS603163 – High Performance LiPo Battery
Voltage: 3.8V | Capacity: 1600mAh (6.08Wh) | Size: 66.0×31.5×6.5mm

The AS603163 is a high-quality 3.8V 1600mAh Li-Polymer battery pack engineered for modern portable electronics. Featuring 6.08Wh energy capacity, this rechargeable lithium polymer battery combines compact dimensions with robust safety features.
Equipped with a built-in protection circuit to prevent overcharge, over-discharge and short circuits, plus an NTC thermistor for real-time temperature monitoring, this battery pack ensures stable and safe operation. UL1571 AWG26 wires and 51021-3P connector enable easy integration into your device.
Technical Specifications
| Battery Type | Lithium Ion Polymer Battery |
| Part Number | AS603163 |
| Voltage @ Capacity | 3.8V @ 1600mAh (6.08Wh) |
| Protection Circuit | Yes (PCM Included) |
| Thermistor (NTC) | Yes |
| Wires | UL1571 AWG26 50mm |
| Connector | 51021-3P |
| Dimensions (L x W x T) | 66.0mm x 31.5mm x 6.5mm |
| 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
- ✔
Enhanced Safety: Integrated protection circuit and NTC thermistor provide comprehensive protection against electrical faults and overheating. - ✔
High Energy Density: Delivers 6.08Wh power in slim lightweight form factor, ideal for space-limited designs. - ✔
Reliable Performance: Stable 3.8V output and 1600mAh capacity ensure consistent power and extended device runtime. - ✔
Easy Integration: Pre-installed wires and connector simplify installation and reduce assembly time.
Perfect For Applications
Extended standby time for vehicle and asset trackers with safe enclosed operation.
Wireless doorbells, security sensors and smart locks with over-current protection.
Digital thermometers and blood pressure monitors with high safety standards.
6.5mm thin profile fits perfectly into slim portable audio enclosures.
Customization Services (OEM/ODM)
We provide comprehensive customization services to meet your specific project requirements:
- Capacity & Voltage: Adjust power parameters to match your device’s exact needs.
- Connector & Wires: Modify connector type, wire length and gauge for seamless integration.
- Shape & Size: Customize battery dimensions to fit unique device enclosures.
- Safety Features: Add or modify protection circuits, NTC thermistors and other safety components.
- Labeling & Packaging: Personalize labels, markings and packaging with your brand information.











