About Us
About Us KeySun Group was founded in 2008, We focus on AC/DC adapter,Dimmable LED Driver, Lithium Battery Charger.Total of 1000 kinds of models that can satisfy the demands for different types of consumer electronic devices.

We strives to bring High quality and safety products, fast delivery production to the world. We are committed to minimizing adverse impacts and improving process efficiency in accordance with legislation & ISO 9001:2015. KeySun Group is required to meet different power supply & Charger requirements of scores of industries with a number of automatic production line and excellent testing equipment, for the production of high quality products to provide a reliable guarantee.

KeySun Group trives to meet the various safety and quality standards that are recognised across the world. Most of its external power supply upgrade to UL/cUL 62368; UL/cUL 8750; UL/cUL 1310 Class 2 standards; CB EN61558; CB EN62368 standards in full compliance with UL/cUL ETL/cETL RU/cRU FCC CE ROHS SAA C-TICK RCM KC KCC GS TUV CB NOM CCC PSE PSB UKCA safety marks and other international certifications, KeySun Group can provide the best and most consistent universal power supplys for all power solutions.
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AC/DC Adapter application
Smart Lithium Battery charger 80W ~1200W lithium Battery chargers
(Dustproof charger and Waterproof charger )
Industry High-End Advance Design
Got CE,UL,KC,PSE,FCC,SAA Certificated
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Laster News
KeySun power supply product certification upgraded to new IEC / en / UL 62368 safety standard
Apr.28.15 certification upgraded to new IEC / en / UL 62368 safety standard
What causes lithium battery explosion?
Mar.12.20 what causes lithium battery explosion?