Individual Charging Slot Charger: Ultra compatible 1-4 AA/AAA/C/D and 1-2 9V Ni-MH/Ni-Cd rechargeable batteries, independent charging slot, can charge different size batteries freely.
Discharge Function: Press the blue button to discharge the battery. LCD displays "DISCHG" , at the same time, 1-4pcs Ni-MH Ni-CD batteries automatically turn to discharging mode. The charger will resume charging mode after completion of discharge..
Fast Charging Speed than Other Name-brand: Charging the battery 2-4Pcs AA/AAA/C/D with the total current 2A. Less than 3 hours to fully charged the AA/AAA/C/D batteries, and less than 10 hours to fully charged the 9V batteries..
Safe Assurance: Automatically stop charging when detecting improper input voltage, defective or short circuit or non rechargeable batteries..
Constant Current Charging Mode: Protect the batteries against current fluctuation and keep using the charger safely. Note: Please ensure the battery installed is correct: make the +/- pole of the battery is match for the +/- pole of the device..