The Li-Ion Battery HD from Elinchrom is designed to power the ELB 1200. The Elinchrom ELB 1200 comprises a 1200Ws generator pack, powered from a user-switchable lithium-ion battery. The ELB 1200 can be combined with this Li-Ion Battery HD for 400 full power flashes, or 120 minutes of continuous light at full LED power. The battery is also capable of powering accessories via a 5v USB outlet.