It recharges in 15 minutes 2 1300mAh battery which is very fast.
The charger has a built in fan to cool the batteries during charging. Fortunately, the loading is fast, because the fan is noisy.
The charger accepts 4 AA or AAA battery types.
The charger monitors the battery before and during charging to avoid accidents. However, some other manufacturers' batteries are not accepted by the charger (red LED flashing) while on a standard charger there are no problems.
The charger is well made and looks solid. Small flat on the size and weight of the adapter area that is imposing.