BatteryGuy 3.6 volt 3000 mAh replacement rechargeable battery for Generic Battery KS4-M53G0-200. Fast nationwide delivery available. It meets or exceeds the Generic Battery KS4-M53G0-200 specifications defined by the Original Equipment Manufacturer, but at a much lower price. Note this product can also replace: Generic Battery KS4 M53G0 200 or Generic Battery KS4M53G0200... (This is one Battery, Please verify quantity needed for your application before ordering). Designed for YamAha PRCX, QRCX, RCX40, RCX142, RCX143, RCX144 series robot controllers. Chemistry: Nickel Cadmium (Nicad) / Dimensions: 2.99" Long x 0.97" Wide x 1.89" High / Configuration: Three Cells in a Horizontal Row Connector: PR326EC 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