Powermaster both designs and manufactures their own brackets, starter blocks, and other parts in their well-equipped, controlled CNC environment.  With the capability to design the individual components that go into each Powermaster product, you can be assured the product in the box has been thoroughly researched and tested to be of the highest quality.

Powermaster battery isolators isolate auxilary battery from starting battery to assure extra loads will not drain the starting battery.  Designed with shock, moisture and corrosion resistant insulation for maximum circuit protection and blue anodized aluminum heat sinks for maximum heat dissipation.

• Extra loads will not drain your starting battery
• Maximum circuit protection
• Maximum heat dissipation
• 3 posts
• 200 amps