Enersys Cyclon Monoblock Lead acid 4v 5Ah Battery.
Brand: Enersys
Voltage: 4v
Capacity: 5Ah
Terminals: 0.187" Faston Style
Dimensions: 94mm Long x 75 High x 51 Wide
Equivalent: 0809-0010
Enersys now manufactures these cyclon batteries, previous brands that used to manufacture these batteries include, Gates Energy, Hawker Energy.