Regardless of where you want to install your second battery, Australian Direct has a Dual Battery System for every application.

This video on the right will teach you everything you need to know about Dual Battery Systems for Vehicles/Trailers & more.

139 Products Found
Free Shipping | Adjustable To 6 Different Pin Dimensions
Perfect for Caravan Installation. Charge up to a 300Ah battery bank!
1x Anderson to 3 x Anderson Adaptor
High quality polycarbonate construction up to 25 Amps per fuse
Houses up to 12 Blade Fuses for 12 or 24V appliances
Charge simultaneously from a vehicle & solar panels! OK for Smart Alternators!
Cut In 13.3v - Cut Out 12.8v Battery Charger / Isolator for Pre 2006 Vehicles
Volt meter, 1 x USB & 2 x Cigarette power sockets - BainTech
Volt Meter, 1 x USB, & 2 x Cigarette power sockets - BainTech
Complete Battery Solution Pack with Wiring Kit - Includes Battery!
Build your own power pack and connect to your vehicle!
Light Weight Twin Core Cable - Cig Plug to Cig Socket
5 Metre Cigarette Extension with 4MM Twin core cable.
Add how many metres required buy typing in the number into the Quantity Field
A must have for mounting an Anderson connector on your vehicle
Secure anderson mounting to bumpers & panels
Secure and protect your high current connection.
Complete kit for a NEW Anderson style connection
Secure and protect your high current ABS connection.
Protects and secures the Anderson connector on your caravan or trailer