The DC 3V/5V Mini Water Pump Module is a compact, low-voltage micro submersible pump designed for precision liquid circulation in small-scale electronic and DIY applications. It operates safely on 3V–5V DC power, making it ideal for use with USB power supplies, battery packs, Arduino projects, computer cooling systems, and mobile device cooling setups.
This pump features a high-efficiency DC motor with low noise operation and stable continuous flow performance. Its lightweight plastic housing ensures corrosion resistance and long service life when used with clean water or non-corrosive liquids.
Engineered for integration in embedded systems and compact enclosures, this module is widely used in:
💻 DIY computer water cooling loops
📱 Mobile phone thermal testing and cooling projects
🔌 USB-powered water circulation systems
🤖 Arduino / Raspberry Pi automation projects
🌱 Small hydroponics systems
🧪 Laboratory fluid transfer prototypes
✅ Key Features
Low operating voltage: DC 3V–5V
USB compatible (via 5V supply)
Compact micro-size design
Low noise and low vibration
Energy-efficient DC motor
Continuous duty operation
Easy hose connection (small diameter tubing)
Lightweight and corrosion-resistant plastic body
✅ Typical Technical Specifications
Parameter
Specification
Rated Voltage
DC 3V – 5V
Rated Current
Approx. 100–220mA (varies by voltage)
Flow Rate
Approx. 80–120 L/H
Lift Height
Approx. 0.4 – 1 meter
Power Consumption
≤ 1W
Outlet Diameter
Approx. 7–8mm
Pump Type
Submersible
Liquid Type
Clean water (non-corrosive)
Note: Specifications may slightly vary depending on manufacturer batch.
✅ Applications in Engineering & Electronics
This pump is particularly suitable for:
Educational robotics labs
Thermal management testing
Closed-loop mini cooling systems
DIY fountain projects
Portable water circulation systems
For commercial resale or technical projects, it offers an economical and practical solution for low-voltage fluid transfer needs.