The 5107343 is a basic 4 plus charger is a reliable continuous charger with an excellent price-performance ratio. It is equipped with a charging indicator, inverse-polarity protection, and automatic charging current adjustment. Up to four NiMH/NiCd Mignon AA / Micro AAA or one 9V block can be charged. Thus, this charger is the most affordable entry into the ANSMANN program; it is ideal for all those who "have something to do" with children toys and hobby photography. The full charge of an AA battery with 1000 mAh takes about 8 hours.