With the Elinchrom Battery Charger for ELB 500 TTL, youll continuously be able to shoot and charge at the same time, thus leading to much longer hours of having sufficient lighting. The battery charger accepts the 100-240 VAC current, to charge the ElB 500s lithium-ion battery. Additionally, an 80% charge takes approximately 50 mins, whereas with a 100% charge will be completed in 100 minutes.