The Nimrod Tactical e680 is a microprocessor controlled charge, discharge and power supply unit with battery management suitable for all common battery types. It features an equalizer, AGM and cold charge mode for Pb batteries and an integrated DC power supply function. It also has an AUTO function that automatically adjusts the supply current and a single cell voltage balancer. The device can store up to 10 different charge/discharge programs and change the charging end voltage. It can charge different lithium battery types and control the final voltage for long storage. It also has a re-peak charge mode and a shutdown program based on delta-peak voltage detection.