Victron Orion-Tr Smart DC-DC charger with built-in Bluetooth & Victron Lithium
 
This is a dc to dc or also known as a battery to battery charger 
This kit is designed to allow your second batteries to charge from an engine alternator. This battery or batteries may be used in motorhome campers or boats 
This kit is designed to charge any type of lead, leisure or AGM battery and lithium battery,  as the different stage of charging is completely programmable from the easy to use Victron connect app which is connected via your smartphone tablet or laptop.
 
What's in the Box:
Victron Orion-Tr Smart DC-DC Charger  12/12 30amp
12 metres of red 10mm Dc cable (if cable run over 5m you will require 16mm cable)
3 metres of black 10 mm cable (if cable run over 5m you will require 16mm cable)
2 x midi fuse and holders 
4 x 6mm lugs
2 x 8mm lugs
3 x pin connectors
Victron high-quality SuperPack 100ah lithium battery of the quantity you choose 
Wiring diagram