Renault Trafic or Vauxhall Vivaro Battery to Battery Split Charger Charging Energy Combiner KitWhat is split charging? With the ever increasing amount of vehicles manufactured with intelligent alternators and CAN BUS wiring systems, it is becoming increasingly difficult to fit split charging without cutting, splicing and soldering it onto these very hi tech vans. with this split charge kit for 2015 on Renault Trafic, Nissan NV300, Fiat Talento etc. They are relatively simple to fit and reliable, with no soul crushing mistakes to the CAN BUS