Ambient Weather BC-2000 Intelligent Battery Charger for AA/AAA Rechargeable Batteries The second generation BC-2000 intelligent battery charger is sophisticated, simple to use, smart and safe; The charger features four channels The BC-2000 can also revive spent rechargeable batteries, or recondition batteries that have not been used for a long period of time The BC-2000 charges and discharges NiCd or NiMH rechargeable batteries; The BC-2000 provides four charging slots for AA/AAA rechargeable batteries When the battery is fully charged, the charger will automatically continue to provide a trickle charge The charger can also charge batteries of different sizes (AAA and AA), types (NiCd or NiMH) and capacities at the same time