Nickel Metal Hydride. A type of rechargable battery, available in many sizes. NiMH cells are used in the eMate300, MessagePad2000, and MessagePad2100 BatteryPacks.
Four sources of cells for rebuilding these older spent packs: You'll want AA's :)
1)
http://batteriesamerica.com
3)
http://www.batteryspace.com
4)
http://www.batterysupply.com




