Yesterday whilst we were trolling around the IWA Festival at Shobnall Fields, Burton-upon-Trent we met with PB Batteries to discuss requirements for Yarwood. As I tripe write this Joe is listing the wattage of all the items that we will be using aboard Yarwood and emailing the list to PB Batteries. They in turn are going to calculate the size of battery bank we will require and let us know. Joe has been giving some considerable thought to the type of batteries we might opt for and his has concluded that a 2volt traction option will suit our needs.
My 'laywomans' understanding of this is; Normal batteries can be discharged safely to about 60% of their rated capacity whereas the traction battery can be discharged to nearer 30% of their rated capacity - in short we have a longer interval between charges.