Introducing the USB Mini Aquarium Heater 26C — a compact, reliable warmth source for small tanks. With 10W of power and USB-powered design, it maintains a steady 26°C in tanks as small as about 2.5 liters.
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Precise 26°C constant temperature — Automatic constant-temperature control with high-temperature protection to keep your aquatic friends comfortable.
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USB-powered convenience — Connect to any 5V USB source, including phone chargers or power banks. The 1.2 m power cord provides flexible placement.
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Clear indication — A red indicator light during heating; when 26°C is reached, a green indicator lights and the unit pauses.
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Compact and safe — Small heating rod (52 mm) inside a compact main body (8.5 × 1.8 cm). Made with quartz explosion-proof material for safe submerged use.
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Tank versatility — Suitable for about 2.5 L water capacity; water level can be as low as 2 cm. Works in fresh water, seawater aquariums, and with pet feeders; suitable for fish and turtles.
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Flexible heater setup — For larger tanks, two heating rods can be used to increase heating capacity (e.g., in a 4 L tank). If powering multiple rods from a charger/power pack with multiple USB ports, only one rod should be active at a time to avoid heating issues.
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Important power note — Use a 5V 2A charger for reliable heating; insufficient current may prevent the heater from warming.
