150A electronic battery isolator
Price: $209.50 (RRP: $275.00, Save 24%)
Easy to Install The electronic isolator does not require any changes to the vehicles existing wiring system. It can be fitted to all 12V vehicle types. Priority Charging for Starting Battery Ensures t ...

DIY Dual Battery Control Kit
Price: $269.50 (RRP: $345.00, Save 22%)
Intelligent dual battery solutions for land or sea. • Charges auxiliary battery from existing alternator. • More reliable than standard automotive style charging relays. • Fit & forget, fully automati ...

140 Amp Dual Battery Kit
Price: $375.00
The Ironman 140 Amp Dual Battery Kit allows two batteries to be charged at the same time. When the engine is started and the main battery reaches 13.4 volts, the Ironman module engages, allowing the t ...

Motorized 275 Amp
Price: $460.00
The Ironman 275 Amp Dual Battery Kit performs an automated parallel function which allows two separate batteries to be charged as one. When the main battery reaches 13.7 volts, the Ironman 275 Amp Dua ...