1 ,Nominal voltage: 1.5V( except9V) For AA, AAA,C,D batteries 3.9ohm continuously discharge to 0.9V, For A23,A27 batteries 20Kohm continuously discharge to 6.0V For 9V batteries 620Kohm 2h/d, discharge to 5.4V 2, Packing: shrink/box /blister 3, Jacket: foil 4, Super long lasting power 5, Extra long life span 6, No Mercury And Cadmium Added,which Is Enviromental Friendly 7, Excellent leakproof, as a result of pure material 8, OEM is welcome