A great deal on the newest charger from Powerizer. Will charge with AC household current, 110V or with the included 12V DC lighter style plug. You can charge from your car or other 12V DC power sources. Negative Delta V Cut off feature---100% protect your batteries Will charge 2 or 4 AA or AAA Ni-Cd or Ni-Mh batteries in 2-3 hours. Includes "intelligent" microprocessor controlled charging, identifies defective cells and a safety timer for complete overcharge protection. Red LED indicates charging; green LED indicates charging completed and charger is in "trickle charge" mode. Will charge any of our NiMH or NiCd AAA or AA rechargeable batteries