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Our email address for most all situations is sales@flexcharge.com   Email is a great way to contact us.

Our phone numberis 231-547-9430 and we make every attempt to answer our phones between 9 am and 5 pm Eastern Standard Time (daylight savings applies)  Monday thru Friday.  We may be busy on all lines.

FAX number is 231-547-5522. We prefer email.

Our physical address is:

SES Flexcharge (the manufacturing division of)

Seelye Equipment Specialists

1217 State St. 

Charlevoix, Michigan, 49720  USA

Who We Are

 Flexchargeâ„¢ controllers are the controllers of choice for research projects around the world.

Sensitive data recording equipment is not affected by the Flexcharge Controllers because there is no RFI generated in the controller as is common on many others.

Extremely high efficiency was a design goal for all Flexcharge controls.  Little or no heat is dissipated from the controllers so all of the generated energy can be used.

No matter if your system is a simple battery maintenance system or a large main power source, you will benefit from the efficiency and dependability of our products.