BatteryGuy 6 volt 900 mAh replacement rechargeable battery for Emergi-Lite 850.0035. Only $13.10. Fast nationwide delivery available. It meets or exceeds the Emergi-Lite 850.0035 emergency light specifications defined by the Original Equipment Manufacturer, but at a much lower price. Note this product can also replace: Emergi Lite 850-0035, Emergi Lite 850 0035, Emergi Lite 850.0035, EmergiLite 850-0035, EmergiLite 850 0035, EmergiLite 850.0035, Emergi-Lite 850-0035 or Emergi-Lite 850 0035... (This is one Battery, Please verify quantity needed for your application before ordering). Chemistry: Nickel Cadmium (Nicad) / Dimensions: 2.77" Long x 0.57" Wide x 1.98" High / Configuration: Five Cells in a Horizontal Row / Connector Type: Wire Leads With PRB830EC 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 Standby Power Under Normal Conditions. Nickel Cadmium Batteries Are Commonly Found in Emergency Lighting, Alarm/ Security Systems, Backup Power Devices and Other Electrical Devices. Rechargeable