At last, an easy solution to charging a second battery from starting battery in your motorhome or vehicle.  Unlike most chargers which are unregulated, and can overcharge & damage batteries, the Victron Tr-Smart DC charger series are fully regulated chargers, which can be left on indefinitely, without damage to your batteries. The chargers have a Bulk, Absorption & float mode. Also can select different battery types,AGM, Gell, Flooded and Lithium. The unit also displays battery voltage, Battery charging current and Stage via a bluetooth connection to your smart phone. The unit is extremely reliable and sturdy owing to its strong double insulated plastic case, PCB construction & full electronic fault protection. 5 YEAR WARRANTY FREIGHT FREE!! Output Current continuous: 30 Amps Dimensions (mm): 130 x 186 x 80 Output Current Surge: 45 Amps Mass: 1.8Kg Output Voltage: 20-30 Volts: Input Fuse protection: Yes Input voltage: 10-17 Volts Reverse Polarity protection: Yes Input current: 20 Amps Fully Charged indicator: Bluetooth Max Output Power: 430 Watts Over temp protection: Yes Output Boost voltage: 14.2 VDC Adjustable Thermal fan: No Output Float Voltage: 13.3 VDC Adjustable Battery Current Meter: Yes, Blue tooth Power on switch: Yes Connection Connections: Terminals       DOWNLOAD DATA SHEETFREIGHT: $15 anywhere in Australia