Elinchrom Quadra ELB 400 One Pro Head To Go Kit (EL10413.1) 424 Ws in the palm of your hand. 20% faster recycling time. Next generation Skyport to offer more of everything. Compatible with the Elinchrom system past, present and future. Fully compatible with the creativity demanded by every photographer. Lifetime battery performance optimized, even recovering deeply discharged cells.