Chemistry: Nickel Cadmium (Nicad) / Dimensions: 5.90 x 2.40 Wide x 3.43 High / Configuration: Ten Cells in Two Even Horizontal Rows / Connector Type: Wire Leads with A800EC Connector BatteryGuy Nicad Batteries Typically Have 20% - 40% More Capacity Than Other Regularly Available Batteries of the Same Size and Can Support up to 500 Charge/ Discharge Cycles or Five Years Power Under Normal Conditions. Nickel Cadmium Batteries Are Commonly Found in Emergency Lighting, Alarm/ Security Systems, Backup Power Devices and Other Electrical Devices. Rechargeable