Variable cut-off voltage. Micro-processor controlled for maximum accuracy. Massive heat-sink for optimum cooling. Discharges single cells or entire packs. All settings done on screen. Display reads run time and average volts. Easy to use soft touch pad. Large liquid crystal display for easy reading. Part No Description List Price Probe 4000 4000 Probe 4000 Batters Discharge System $ 274.95     Equalizes cells individually. Fully assembled. Reduces cell memory 7th resistor for hump packs. Strong, injected molded case Part No Description List Price Battery Deep Cycle Tray 3010 Battery Deep Cycle Tray $ 24.95   The Battery Vice is a fast easy and accurate way hold your cells for soldering Part No Description List Price Battery Vice 3011 Battery Vice $ 12.95