【Ultra-Compact, High-Power, Sine Wave】The ET300 is an ultra-compact portable power source with a capacity of 298Wh. It features 9 output ports, including household AC (100V-120V 350W) x2, DCx2, USB-Ax3, USB-Cx1, and a cigarette socket x1. With a rated output of 350W (instantaneous maximum 800W), it adequately meets the power supply needs of various devices. The Acecow ET300 utilizes stable pure sine wave output, ensuring safe usage for precision equipment such as laptops and medical devices.
【Lightweight, Quiet Mode】The Acecow ET300 is the smallest and lightest portable power source ever, weighing just 3.5kg. It employs proprietary high-frequency SRC resonance technology, enabling a fanless design for quiet operation. This reduces power loss and provides users with a quiet experience. Due to its lightweight and compact structure, it can be easily stored in a backpack or carried with one hand, making it suitable for various situations such as outdoor activities, camping, sleeping in cars, fishing, disaster preparedness, and power outages caused by earthquakes.
【Alloy Casing, IP52 Waterproof Rating】The Acecow compact portable power source ET300 utilizes a one-piece molded alloy casing of 94-V0 flame-retardant material, increasing impact strength by 200%. It possesses excellent vibration resistance and shock resistance. The closed structure achieves an IP52 waterproof rating while also being dustproof. Therefore, it is highly suitable for outdoor use.
【5 Charging Methods, MPPT Control】The Acecow battery has 5 charging methods: AC adapter, PD charging, cigarette socket, generator, and solar panel. Two input ports can be charged simultaneously, greatly improving charging efficiency. For example, using a 120W AC adapter + 100W PD charging, the product can be charged to 80% in just 60 minutes. It especially features advanced MPPT control chips, extracting maximum power from solar panels, ensuring efficient charging while being environmentally friendly. It also supports direct power supply, enabling power supply to other devices while charging.
【Multi-Function Safety System】The Acecow ET300 is equipped with outstanding safety features. It not only complies with PSE standards but also clears international certifications such as UN38.3, CE, and FCC. It incorporates three advanced vehicle safety protection systems: EMS+CMS+BMS, with 12 battery protection mechanisms built-in, including overcharging, over-discharging, and temperature management, ensuring the safe operation of internal batteries. Hence, it can be used with confidence.
【High Safety, Long Lifespan, Use in Extremely Cold Environments】UL-certified A+ battery cells for vehicles are used in the portable power source, with a lifespan six times longer than regular batteries. Even with charging every other day, it can be used for up to 10 years. This backup power source has high charging and discharging efficiency, low self-discharge rate, and is equipped with electric vehicle battery preheating technology, enabling use in extremely cold environments (-30°C). Unlike ordinary portable power sources, this product can store the main power supply's OFF function for a long time, suppressing natural discharge (approximately 12% in six months). It is very suitable for emergency power storage and disaster preparedness.
【Three Major Emergency Functions, Large Lighting, Large LCD Display】Equipped with three major emergency functions: emergency vehicle start, igniting fire with a lighter, and SOS. It features a large LCD display, allowing users to easily check the remaining battery capacity, input, output, and connection status. It comes with 36 LED light groups, offering four lighting modes: low brightness, high brightness, SOS, and flashing, making it ideal for outdoor travel, photography, household emergencies, and emergency rescues.
【Acecow Manufacturer Warranty】Acecow has established repair centers domestically, offering a 30-day return guarantee from the date of purchase and a 12-month free repair/replacement guarantee. If you have any questions after purchase, please feel free to contact us. We will respond promptly.
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