Tenergy T-3969A1 Plug-in Type Speedy Rechargeable Battery Charger for AA, AAA, 9V Batteries Quick charger for size AA, AAA NiMH and NiCd batteries Standard charge for 1 or 2 pcs 9V cells Built-in IC timer control for over-charge protection With battery type selection for NiMH or NiCd AA, AAA batteries Dual color LED indication