3.7V 600mAh Li-Polymer Battery AS503040 with XHR-2P Connector
High-capacity 3.7V 600mAh AS503040 Li-Polymer battery with built-in protection circuit and XHR-2P connector. Ideal for GPS devices, Bluetooth speakers, and handheld gadgets. Full customization available for wire length, connector type, PCB integration, and packaging.
Description
Model AS503040 Li-Polymer Battery Pack with Protection Circuit
Voltage: 3.7V | Capacity: 600mAh (2.22Wh) | Size: 43×30.5×5.1mm

Upgrade your device with this high-performance AS503040 Li-Polymer Battery. Compact in size yet powerful in output, it delivers steady 600mAh capacity to prolong device working time.Built-in protection circuit defends against over-charging, over-discharging and short circuits, securing battery service life and operational safety. Equipped with UL1007 26AWG wires and XHR-2P connector, it supports direct plug-and-play installation for convenient assembly and replacement.
Technical Specifications
| Battery Type | Lithium Ion Polymer Battery |
| Part Number | AS503040 |
| Voltage @ Capacity | 3.7V @ 600mAh (2.22Wh) |
| Protection Circuit | Yes |
| Thermistor (NTC) | / |
| Wires | UL1007 26AWG 50mm |
| Connector | XHR-2P |
| Dimensions (L x W x T) | 43mm x 30.5mm x 5.1mm |
| Charge Current | 0.2C to 0.5C |
| Discharge Current | 0.5C to 1.0C |
| Storage Temperature | -20°C to +45°C |
Core Advantages
- ✔
High Energy Density: Delivers long standby and working time within compact body size. - ✔
Full Safety Protection: Built-in circuit prevents abnormal voltage and current damages. - ✔
Plug-and-Play Design: Matched wire and connector realize quick installation and replacement. - ✔
Stable Wide Temp Performance: Works steadily under diverse ambient temperature conditions.
Application Scope
Portable Bluetooth speakers and mini audio players
GPS trackers and portable locating devices
Handheld game consoles and portable play gadgets
Smart sensors and daily electronic project equipment
OEM & ODM Customization Service
- Connector Replacement: Swap XHR-2P with JST, Molex and other custom connectors.
- Cable Adjustment: Modify wire length and wire gauge to fit internal structure.
- Circuit Upgrade: Add BMS management system and NTC temperature monitoring function.
- Appearance Custom: Custom shrink wrap color, label printing and special shaping design.









