Ansmann Energy 8 Plus Battery Charger (100-240V), Suitable for NiCd, NiMH Batteries, Capacity Quick Test for Approx 5 Seconds, Auto-Diagnosis, Microprocessor Controlled Charging, Five-Way Over Charging Protection, Auto Detection of Damaged Cells, Auto Start for Refreshing, Trickle Charge, Individual Monitoring of Cell Positions, The Energy-8 Desktop Charger from Ansmann is suitable for NiCd and NiMH rechargeable batteries where each cell is charged independently. It can handle 1-6 AAA or AA cells 1-4 C or D cells in addition to 1- 2 9V E-block batteries. You can also charge different size batteries at the same time. The unit features an auto-diagnosis system of the inserted cells with automatic start of a refreshing process and/or pre-charging process. Over charge protection is provided in addition to a faulty cell detection system. You can full or trickle charge your batteries as desired. The unit is dual voltage and can be used worldwide.