About us

Frecom was founded in 2018 and is one of the leading manufacturing companies in China specializing in the development, design, production, sales, and service of switch power supplies, adapters, and chargers.

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Product

The products cover a wide range of equipment, including servers, new energy devices, household appliances, network communication products, audio-visual products, etc.

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Technology and Quality

Frecom has its own sales, RD, manufacturing team, and laboratory. It has set up three R&D departments with more than 60 researchers dedicated to developing power supplies for communication devices, medical and beauty equipment, power tool chargers, new energy vehicle chargers, and fast chargers for consumer electronics.

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We always adhere to the principle of "the best, the fastest, and the most comprehensive" as our guiding principle and are committed to leading and promoting the development of the electromagnetic components and power supply industry in China.

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An excellent team, diverse product range, superior quality, and service make us committed to providing you with the best. FRECOM company wholeheartedly cooperates with you to create brilliance together!

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3300W Series

Characteristics

High reliability
The module is designed with fully digital control technology, which enables flexible and intelligent control and provides excellent protection, resulting in a robust system. The use of a new generation of phase-shifted, wide-modulation, zero-voltage, and zero-current soft-switching technology, in combination with high-performance SiC devices, ensures strong overall stability of the charger.

Charging quality
Precise charging for deep-cycle lithium batteries and lead-acid batteries is achieved through charging configuration files. Developed by the I²t leading technical team, it balances charging time, battery life, and application requirements.

Efficiency
The high-efficiency performance contributes to power saving and shortens charging time. [**]ctive cooling ensures optimal performance.

Technical Parameter

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Description Parameters

IIT3300 series industrial battery charger is capable of providing DC charging for both lithium batteries and lead-acid batteries, supporting constant current, constant voltage, and constant power charging. This series of charging modules are widely applicable to various lithium battery equipment, such as electric motorcycles, electric yachts, aerial work platforms, lift transporter vehicles, floor cleaning machines, and multi-purpose transport vehicles.

The outer casing is made of die-cast aluminum with an IP67 protection rating, making it dustproof and waterproof. All key electronic components are selected as automotive-grade devices. The charger has high power density, light weight, small size, excellent environmental adaptability, easy maintenance, high reliability, and long lifespan. It can fully meet the charging requirements for various new energy vehicle applications.

Model	Output power	Output voltage range&rated	Output current	Efficiency
IIT3300	3300W@90~265Vac	0-36V&24V	0-100A	≥94%
		0-76V&60V	0-60A
		0-102V&80V	0-45A
		0-130V&108V	0-30A
		0-180V&144V	0-22A
		0-440V&360V	0-9A