It features an LCD display that provides information regarding the charging status of the batteries. AAA - 1.2v DC 900mA (x1 pcs) 250mA (x2 pcs) 225mA (x3 pcs) 225mA (x4 pcs). AA - 1.2v DC 1800mA (x1 pcs) 900mA (x2 pcs) 450mA (x3 pcs) 450mA (x4 pcs).