impres™ MULTI-UNIT CHARGER impres Multi-unit Charger, 110V Charger Display Modules provide powerful “real time” analyzing information for impres batteries, including current charge status; current battery mAh; percent rated capacity, battery voltage; battery kit number; battery serial number; battery chemistry; time remaining to charge complete (NiCd and NiMH); forecast number of cycles to next reconditioning; and more.