Contact BatteryMaximizer^TM  All rights reservied.  BatteryMaximzier^TM is a trademark of TruPower LLC  What can we do to help? Have a technical question, warranty issue, need to purchase our products, want to become an authorized reseller?  Then please write or email to us. Write to: Battery Maximizer^TM PO Box 1071 Aledo, TX  76008 Email to: info@batterymaximizer.com