This 4 Volt, 2.5AH Enersys Cyclon 0819-0010 Battery, supplies the reliable power you need, when you need it. Used primarily as a rechargeable sealed lead acid stand alone battery, it is also capable of being assembled into battery packs. Built in the USA with PURE LEAD, it is fast charge capable and has outstanding power density.
0819-0010 CYCLON BATTERY SPECIFICATIONS:
Voltage - 4V
Capacity - 2.5AH
Chemistry - Sealed Lead Acid (Pure Lead)
Dimensions - 3.1" x 1.8" x 2.8"
Weight - 1.6 lbs