DC 3V 5V Micro Submersible Motor Pump
= Silent Portable Submersible Water Pump for Mini Projects =
This compact submersible water pump is designed for low-voltage DIY applications, ideal for fish tanks, tabletop fountains, garden watering, and hydroponic systems .
Brushless Motor Design - Low noise operation for quiet environments
Compact Size - Fits small spaces for easy installation and concealment
Rated Voltage: DC 3V or 4.5V, ideal for battery, USB power, or solar panels
Input Range: Can accept 3V to 5V DC power supply
Operating Current: 0.1A to 0.25A (150-250mA typical)
Rated Power: 0.4W to 1.5W depending on voltage
Max Lift: Up to 110cm (43 inches)
Flow Rate: 1.2 to 1.6 L/min
= Key Features =
Silent Operation - Brushless motor design keeps noise levels low
Energy Efficient - Low power consumption for battery/solar applications
IP68 Waterproof - Fully submersible with epoxy resin protection
Magnetic Drive - Brushless design for longer lifespan
Compact Form Factor - 45mm x 30mm x 25mm, weight ~30g
== Applications ==
- Small aquariums and fish tanks
- Tabletop fountains and water features
- Hydroponic systems
- Solar-powered water circulation
- DIY experiments and prototypes
Quiet and Compact - Perfect for small water features
USB Compatible - Works with power banks and phone chargers
√ Includes silicone/vinyl tubing for easy installation
√ Easy to hide in water due to mini size
√ Cost-effective for hobby and educational projects
= Important Usage Notes =
The pump must be fully submerged during operation; running dry will cause overheating and damage .
Keep the pump in clean water; debris or particles larger than 0.35mm can cause blockages .
Check the inlet regularly for clogs to maintain flow .
Connect red wire to positive (+) and black wire to negative (-) on a DC supply. Do not connect directly to AC mains .
Only use with DC power (3V5V) not for AC mains
Do not run pump dry or continuously for hours, as it is intended for experimental/short-term use
Keep away from acidic/alkaline liquids which may damage the pump