Compact, quiet and versatile mini pump for reliable water circulation and cooling. The 1020 39V USB brushless submersible pump is designed for small aquariums, cooling loops and compact water features where space, low noise and flexible power options matter. Key benefits Silent brushless motor: reduced noise and longer life compared with brushed designs, ideal for environments where quiet operation matters. Submersible and compact: a true mini pump (model 1020) that fits into tight spaces for circulation, cooling and small water transfer tasks. Flexible power compatibility: supports 3–9V via USB and DC 12V / 24V inputs, giving multiple powering options for portable and fixed installations. Purposebuilt for circulation and cooling: engineered to move water steadily for aquarium circulation, radiator cooling loops, hydroponics and small fountains. What makes it useful Solves the problem of bulky, noisy pumps by offering a small footprint and quiet brushless operation. Lets you repurpose normal USB power sources or DC supplies (12V/24V) depending on the application and site constraints. Submersible design simplifies installation inside tanks, reservoirs or cooling chambers without extra plumbing complications. Key attributes Model: 1020 39V USB Type: Mini submersible water pump Motor: Brushless (silent operation, improved durability) Power compatibility: 3–9V via USB and DC 12V / 24V Primary functions: Cooling, circulation, water transfer Simple applications and use cases Aquarium circulation and filtration boost: keep water moving in nano tanks or as a supplementary circulation pump in larger systems to improve oxygenation and filtration efficiency. Cooling circulation for electronics and small radiators: circulate coolant in compact cooling loops for LED fixtures, small PC reservoirs or DIY cooling assemblies. Small water features and hydroponics: power tabletop fountains, plant nutrient circulation or small recirculating hydroponic setups where space is limited. Installation and operation tips Fully submerge the pump when in use and mount it securely to avoid vibration transfer to surfaces. Use the appropriate power source matching the pump's supported voltages (3–9V via USB or DC 12V/24V) and confirm polarity before connecting. Periodically check the inlet for debris and ensure unobstructed flow for consistent performance. Why choose this pump The 1020 mini pump balances compact size with brushless, quiet operation and flexible power options, making it a practical choice for hobbyists and smallscale cooling or circulation needs where reliability and low noise are required.