Profile: Davtrend Ltd. is a provider of custom power supply solutions. Our products include rack mounted system, power heating & cooling elements, battery pack replacement system for inflated mattress beds and complex, and high energy power supply modules. Versatile controllers have been designed using FET switching techniques to provide cost-effective and compact electronic control of both series and shunt wound motors. Rack mounted system features redundancy within the power supply, the ability to switch from mains to back-up power in the event of mains failure, and a high surge capability. Replacement of existing battery pack system is used to inflate the mattresses on specially designed beds used for treating victims of serious burns.