3.7V 1800mAh 18650 Li-ion Battery Pack with PH-2P Connector
Compact and powerful 3.7V 1800mAh 18650 battery pack delivering 13.32Wh of energy. Featuring a robust protection circuit and high-current AWG20 wires, this battery is engineered for devices requiring reliable power in a slim, cylindrical form factor. Ideal for portable electronics and DIY projects.
Description
Model 18650 – High Discharge Rate Lithium Battery Pack
Voltage: 3.7V | Capacity: 1800mAh (13.32Wh) | Size: 133×19.5×23.5mm

Engineered for versatility and performance, this 18650 Lithium Battery Pack provides stable power for a wide range of applications. The integrated protection circuit ensures safety by preventing overcharge, over-discharge and short circuits, significantly extending the battery’s lifespan.
Equipped with a standard PH-2P connector and durable UL3239 AWG20 wires, this pack offers easy integration into various devices. Its unique elongated dimension allows it to fit into specific battery compartments where standard sizes may not. With an impressive high discharge capability of up to 5.0C, it handles power-hungry tasks with ease.
Technical Specifications
| Battery Type | Lithium Ion Battery |
| Part Number | 18650 |
| Voltage @ Capacity | 3.7V @ 1800mAh (13.32Wh) |
| Protection Circuit | Yes (PCM Included) |
| Thermistor (NTC) | / |
| Wires | UL3239 AWG20 60mm |
| Connector | PH-2P |
| Dimensions (L x W x T) | 133mm x 19.5mm x 23.5mm |
| Charge Current | 0.2C to 0.5C (Standard Charge) |
| Discharge Current | 0.5C to 5.0C (Continuous) |
| Storage Temperature | -20°C to +60°C |
Core Advantages
- ✔
High Discharge Rate: Supports discharge currents up to 5.0C, ideal for high-drain devices requiring bursts of power. - ✔
Enhanced Safety: Built-in PCM safeguards against voltage spikes and drainage issues, ensuring reliable operation. - ✔
Robust Wiring: Thick AWG20 wires reduce resistance and heat generation during high-current operations. - ✔
Standard Connectivity: Widely used PH-2P connector simplifies installation and replacement processes.
Perfect For Applications
Handheld fans, portable speakers and small electronic gadgets.
Electric shavers, trimmers and electric toothbrushes.
Hobbyist electronics, robotics and Arduino projects.
Flashlights and backup LED lamp systems.
Customization Services (OEM/ODM)
We offer comprehensive OEM and ODM customization to meet your specific project requirements:
- Connector Types: Customize with JST, Molex, bare wires or other connectors to match your device interface.
- Wire Length & Gauge: Adjust wire length and thickness to fit your internal assembly layout.
- Battery Capacity: Configure different capacities or voltages by combining cells in series/parallel.
- Labeling: Custom branding and label designs available for bulk orders.











