BZ products - based in USA
BZ Products, INC.
7914 Gravois Road St. Louis MO 63123
Charge Controllers - A controller for 12/24 volts handling 25 amps
A choice of two MPPT controllers handling 25 amps (12 volt battery only) or 45 amps (12/24/48 volt battery).
Location of BZ products website - http://www.bzproducts.net