【Aaron's Whatsapp: +86 150 7303 3371】【Aaron's Email: qpower@mustpower.com】About【MUST Energy Group】Must is 24 years experienced manufactuer in solar inverters, batteries, UPS and solar panels, the annual export amount of our MUST group is more than 50 million dollars, over 600 workers, 50 R&D engineers, we are one of the authorized suppliers for China Government, and Alibaba TOP 10 golden supplier.Our brand 【MUST】has been distributed to over 135 countries and regions, more than 155000 sets of solar systems are supplied by Must , our products have passed SAA, CE, SONCAP certificates with grade A quality and our factory has ISO9001 quality certificate.【MUST Main Products】► Solar inverters: range from 300W~15KW► Solar controllers: our range from 20A-100A MPPT type, 10A-100A PWM type► Solar panels: our range is 50W-650W Mono and Poly type► Battery: our range is 50Ah-300Ah Lithium battery type► UPS: 500VA-40KVA, offline, line interactive and online type【Why MUST】1) Unique inverter technology2) Grade A quality products only3) Competitive prices4) Experience of excuting large scale project5) Strong R&D support for ODM/OEM orders6) Best aftersales service7) Standard Warranty: One year, optional: 2-3 years8) Responsible AaronAdd Aaron to get more profit. ↑↑↑