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    RS-BOX Quick Facts

About Us

Cosun New Energy specializes in advanced battery storage products and intelligent energy management solution for home and small business application with reliable performance and affordable price.


Cosun partners with German PV installer to build out the Residential LFP battery system RS-Box with leading technology focusing on quality, functionality, well below competition price and on-time service.

Cosun key EES technologies include but not limit to the below:
1. Module Design Battery Management System (BMS)
2. Active Full-Bridge DC-DC Converter Lithium Battery Cell Balance
3. Cosun Battery Cloud System for remote control / maintenance


As a pioneer in EES since 2013, Cosun spent almost 3 years to develop and test a German PV Installer trust  RS-Box Home Solar Battery, RS-Box received the world-first certificate from TUV Rheinland as per VDE-AR-E 2510-50 (the highest Germany standard for Solar Power System) in Sept 2016.


Continuous product improvements  is kept on-going every day in Cosun, thanks so much to our Partnering Installers’ precious know-how sharing.
Take control of your energy use with Cosun Smart Home Energy Manager, Power you home smartly with clean renewable energy to reduce your
electricicy bill upto 70%!
Contact Consun Professional now for more details!
Better Balanced Battery  for Balance Energy today!

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  • 10 Year Warranty

    10 Year Warranty

    warranty cover complete system performance and parts. Absolute confidence in Cosun battery system high Performance to store,deliver more energy, trust-worthy
  • TUV Certification

    TUV Certification

    Cosun Received the World first VDE-AR-E 2510-50 certificate issued by TUV Rheinland for RS-BOX 8700 Cosun Solar Power System.
  • Germany warehouse

    Germany warehouse

    Distribution Network for Europe 2000ft Warehouse with various ESS Batteries available for immediate Shipment
  • Battery Cloud

    Battery Cloud

    Remote Diagnostic and Maintenance Upgrade your system firmware via PC Not Only Monitering, it is intelligent Home Manger for your home energy

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