BatteryGuy 3.5 volt 350 mAh replacement battery for the COMP-236. Fast nationwide delivery available. It meets or exceeds the COMP-236 specifications defined by the Original Equipment Manufacturer, but at a much lower price. Note this product can also replace: COMP 236 or COMP236... (This is one Battery, Please verify quantity needed for your application before ordering). BatteryGuy PLC, Meter and Industrial Computer Batteries are Manufactured to Meet or Exceed the Quality of the Original Equipment Manufacturer. Only the Highest Grade of Materials are Used to Manufacture our Batteries, with Safety and Performance in Mind. Please be Aware of Online Pirate Companies Who Make Their Own Batteries With Low Grade Materials or Don't Follow US Lithium Battery Shipping Guidelines, Allowing for Possible Internal and Short Circuit Damages Which Can Cause Fire. Chemistry: Lithium / Dimensions: 0.65" Long x 0.60" Wide x 0.27" High / Connector Type: 4 PC Pins Description: 1 Cell Lithium Battery / Works With: E-Mon D-Mon Class 1000 KWH meters, Class 3000 KWH demand meters, Class 5000 advanced KWH demand meters, Green Class meters, Green Class KWH demand meters, Green Class Net meters, IDR-8 interval data recorders, IDR-16 interval data recorders. / Shelf Life: Approx. 10 Years / Stable voltage and broad temperature range: (-40° to +95°C)