{"product_id":"mini-m20-air-pressure-pump-dc-3v-37v-120kpa-aquarium-fish-tank-diy","title":"HELTC Mini M20 Air Pump DC 3V-3.7V 120Kpa | Aquarium \u0026 DIY","description":"\u003ch2\u003eHELTC Mini M20 Transparent Air Oxygen Pressure Pump\u003c\/h2\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eHELTC Mini M20 Air Pump\u003c\/strong\u003e — a compact, transparent, and highly efficient micro air pump engineered for hobbyists, DIY electronics enthusiasts, and small-device builders. Running on a low DC 3V–3.7V power supply, this 8mm mini pump delivers impressive air pressure of up to 120 Kpa, making it a versatile choice for aquarium fish tanks, small oxygen delivery devices, and a variety of precision air-flow applications.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the HELTC M20 Mini Air Pump?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e The miniature 8mm form factor fits into tight spaces with ease — ideal for portable or space-constrained builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransparent Housing:\u003c\/strong\u003e See the pump in action with the clear plastic body, great for monitoring and demonstration purposes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Air Pressure:\u003c\/strong\u003e Delivers 80–120 Kpa air pressure, giving you a strong and consistent output for demanding applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Operation:\u003c\/strong\u003e Operates at DC 3V–3.7V with a no-load current of just 100mA — energy-efficient and battery-friendly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built from a combination of sturdy plastic and metal components for long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Suitable for aquarium aeration, fish tanks, small oxygen pumps, DIY electronics projects, and precision air-pressure applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eM20 Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMini M20 Air Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDC 3.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eNo-Load Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e100mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDC 3V – 3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eAir Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e80 Kpa – 120 Kpa\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePlastic, Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1 x Mini M20 Air Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🐟 Aquarium fish tank aeration and oxygenation\u003c\/li\u003e\n  \u003cli\u003e🔧 DIY electronics and maker projects\u003c\/li\u003e\n  \u003cli\u003e💨 Small air pressure and oxygen delivery devices\u003c\/li\u003e\n  \u003cli\u003e🛠️ Prototyping and lab testing setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-poster-inspirational-quote\"\u003e\"1% Better Every Day\" Motivational Canvas Poster | Wall Art\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/everything-is-figureoutable-sage-green-quote-canvas-wall-art\"\u003e\"Everything Is Figureoutable\" Sage Green Quote Canvas Wall Art\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More\u003c\/h3\u003e\n\u003cp\u003eFor safe handling of small electrical components and devices, visit the U.S. Consumer Product Safety Commission (CPSC) for guidance on consumer electronics safety standards.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Colors may appear slightly different on screen due to monitor brightness and ambient lighting. Minor manual measurement deviations may occur. Please refer to the actual product received.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the working voltage range of the HELTC M20 Mini Air Pump?\u003c\/h4\u003e\n\u003cp\u003eA: The HELTC M20 Mini Air Pump operates at a working voltage of DC 3V to 3.7V, making it compatible with standard low-voltage power sources and most small rechargeable batteries in that range.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What applications is this mini air pump suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This compact M20 air pump is ideal for aquarium fish tank aeration, small oxygen delivery devices, DIY electronics builds, prototype testing, and any project requiring a reliable mini air pressure pump at low DC voltage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this pump come with a battery?\u003c\/h4\u003e\n\u003cp\u003eA: No, a battery is not included with the pump. You will need to supply your own DC 3V–3.7V power source, such as a compatible battery pack or regulated power supply.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What air pressure output can I expect from the M20 pump?\u003c\/h4\u003e\n\u003cp\u003eA: The M20 Mini Air Pump delivers an air pressure range of 80 Kpa to 120 Kpa, providing a strong and consistent airflow output suited for a variety of precision and hobbyist applications.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the working voltage range of the HELTC M20 Mini Air Pump?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The HELTC M20 Mini Air Pump operates at a working voltage of DC 3V to 3.7V, making it compatible with standard low-voltage power sources and most small rechargeable batteries in that range.\"}}, {\"@type\": \"Question\", \"name\": \"What applications is this mini air pump suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This compact M20 air pump is ideal for aquarium fish tank aeration, small oxygen delivery devices, DIY electronics builds, prototype testing, and any project requiring a reliable mini air pressure pump at low DC voltage.\"}}, {\"@type\": \"Question\", \"name\": \"Does this pump come with a battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, a battery is not included with the pump. 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