Our Ryder is a battery and charger manufacturer.as a China-US joint venture,our made products conclude Ni-MH.Ni-CD.li-ion.Li-Polymer.here we should point out that make battery pack is our biggest advantage.we can make battery pack from 1.2V-48V upon to the customer requirement.the battery can be used for flashlight,airsoft gun,cordless phone,barcode scanner,laptop,irobot and so on.