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3330W high power supply (energy storage power supply/certified power supply/desktop power adapter)
1. Core parameters and performance advantages
Globally universal voltage input
Supports wide-range voltage input of 100-240VAC, adapts to power grid standards in different countries and regions (such as European and American markets, Asian markets), ensuring stable operation of equipment under voltage fluctuations
Efficient output and precise power supply
Output voltage/current: 48V/5.2A, total power is about 250W, meeting the needs of high-power equipment (such as photography lamps, industrial control equipment)
Note: Product name "330W" may refer to peak power or multi-interface superimposed output capability (such as energy storage scenario expansion), and must be matched according to the actual load.
Multiple security protection mechanisms
Protection function: four-fold protection of overcurrent, overvoltage, overtemperature, and short circuit to avoid damage to the equipment due to abnormal working conditions
Protection level: IP20 basic dustproof design, suitable for indoor environments (such as studios, factory workshops)
2. Professional certification and reliability
International certification: Passed CE (EU), GS (Germany), ETL (North America), KC (Korea), PSE (Japan) certification, meets the global mainstream market access standards, and adapts to export demand
Industrial-grade durability: adopts a high flame retardant material shell, paired with active heat dissipation design (such as built-in fans), ensuring long-term high-load operation stability
3. Compact design and application scenarios
Portability and space optimization
Size and weight: 195×90×40mm compact body, 2080g weight, which is easier to carry than traditional "tiles" power supplies (such as HP 330W adapter weighs 1151g)
Interface configuration: Supports standard DC output interface, compatible with diversified power supply needs such as photography lamps, energy storage systems, industrial control equipment, etc.
Core application areas
Photographic lighting: Provides stable voltage for high-brightness LED fill lights to avoid strobe problems, suitable for studio and outdoor shooting
Energy storage system: can be used as a backup power supply with an inverter, supporting outdoor emergency power supply or charging of small energy storage equipment
Industrial control: adapted to industrial control all-in-one machine and automation equipment to meet the requirements of 24-hour continuous operation
4. Competitive product comparison and differentiation advantages
Technical Highlights
Comprehensive certification: Certifications covering many countries in Europe, America and Asia, better than some competitors that only pass regional certification (such as Juhang Daily 330 only 3C certification)
Improved protection function: Over-temperature protection (OTP) is rare in similar products (such as Jinhetian Longba 330W not explicitly mentioned), with better safety
Recommended directions for improvement
GaN technology application: Referring to products such as SlimQ F330W, the use of GaN devices can further reduce the volume and improve energy efficiency (such as the power density increased from 1.8W/cm to 2.5W/cm)
Modular interface design: add Type-C PD fast charging interface (such as supporting 100W output), adapted to power supply of multiple devices such as laptops and mobile phones.
5. Technical specification details
Parameters Specifications/Description
Input voltage 100-240VAC (common worldwide)
Output voltage/current 48V/5.2A (250W continuous output)
Safety certification CE, GS, ETL, KC, PSE
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