Main features:

Specifically for the communications products such as cellular phones, walkie-talkies, cordless phones, pagers, etc. to provide high stability power supply and current control.
Very fast response to load changes.
An accurate measurement of pulsed high, low and average current
100nA DC current sensitivity.
Electronic Load (SINK) capacity of up to 3A
Built-in stand-alone digital voltmeter.
IEEE-488 interface.
With a switch output can drive an external relay.
Accuracy V: 0.05% I: 0.2%
Long integration mode.
2302/2306 also has the following characteristics:

Simulated battery internal resistance :0-1Ω, 10mΩ step
Lead open automatically detected.
Current step measure function.