The Lithium Charger Set is the ideal solution for all existing Ranger Quadra users. With this smaller battery, the Ranger Quadra becomes even more portable than ever ! The Ranger Quadra now weighs a complete 1 kg (2.2 lbs.) less but offers up to 320 flashes at full power. The recycling time also improves when using the Lithium-Ion battery. Lithium-Ion Battery Features: Lightweight just 0.73 kg, Small size, just 15 x 8.5 x 6.5 cm, No memory effect, Up to 320 flashes at full power Precise battery status indicator by simple push button , 1h30 hours charging time to full power, Long life and robust, High security circuitry , Storage for spare part fuses on the battery top Secure battery locking system, This product meets requirements of UN manual of test and criteria, Part III Subsection 38.3, RQ Lithium Charger Features: Multi voltage, Included mains cables, High security circuitry