Forbes Batteries & Electronics is your Local one stop shop in Toowoomba & Darling Downs for all your Portable Dual Battery kit & system requirements. The Portable Dual Battery kit & system allows for safe charging and separation of starting and auxiliary batteries in all 12V marine, 4WD, caravan & solar applications. We at Forbes Batteries & Electronics have a Portable Dual Battery kits & systems from top brands like Baintech, Bainbridge, Projecta, Thunder & Much more.