Welcome to our environment protection project. Together we can make a difference in reducing the volume of wasted batteries and help save our planet. The Alkaline battery charger can charge the following Batteries; Alkaline Oxyride Carbon Zing NI CD NI MH batteries. Features Suitable for AA and AAA Alkaline Oxyride Carbon Zing NI CD NI MH batteries. (3500Mah max rated capacity of each battery that can be charged). Individual charge circuit for each battery to be charged (Single Battery charge is compatible) and it is able to charge up to four batteries at the same time. The four batteries could be mixed AA AAA size of battery with different material size and capacity. Controlled by a highly intelligent Micro Processor control unit. Constant current output. Over charge and short circuit protection. Capacity and voltage control. High density of integration and high stability control unit. Safety charging timer Max 2 hours auto cut off for 4 Alkaline batteries Max 7.2 hours for 4 rechargeable batteries. Intelligent Failure Recognition Technology can identify defective faulty batteries. Product Code PABC.