Spare / replacement charger for microscopes prior to 2015/16:Suitable for use with the following, now discontinued, microscope models - Please Note: catalogue codes provided below are for reference only & relate to an old Philip Harris Catalogue):Stereo Zoom Microscope SKS39Z - B8H70279Stereo Microscope SKS31 - B8R02400Stereo Microscope SKS26 - B8R02399Biological Microscope SK124 - B8R02396Biological Microscope SK132 - B8R02372Biological Microscope SK54 - B8R02394Biological Microscope SK102 - B8R02395Biological Microscope SK52 - B8R02393Classic BE-211A W100 x Mono Microscope - B8R04266Long Arm Stereo Microscope - B8A75991Zeta 51 LED Microscope - B8H70279ZETA 100 LED Microscope - B8H70280Zeta 120 LED Microscope - B8H70292Zeta 121 LED Microscope - B8H70309Student Microscope With Led Illuminator - B8L87699Rating: 5V, 1A, 5W