Flexcharge is the trademarked name for all products manufactured by Seelye Equipment Specialists (SES). SES was established in 1967 and currently have offices in Charlevoix, Michigan.
The success of the Flexcharge product line and exceptionally low level of warranty returns is a testament to the level which they have achieved their goals. Flexcharge products are designed with the "install and forget" philosophy. Their charge controllers are operating in harsh environments around the world such as Antarctica, Alaska, Africa, Saudi Arabia, Florida and Canada, Mount Everest and more.