An ecominical trickle charger to charge 2 or 4 AA or AAA batteries - 2 in the front and 2 in the back.  Plugs in directly to wall socket.  Comes with AA 1300mAh Low Self Discharge batteries.  Charging time is around 7.5 hours for the included batteries.  Charging current: 250mA for AA and 120mA for AAA cells.  3 year guarantee.