Demonstration Circuit DC2302A is a kit of the DC2300A demonstration board, featuring the LTC®4123EDC, and the DC2301A Single Switch Transmitter demonstration board. The DC2300A can charge a single NiMH battery at up to 25mA, with an air gap of 0.8mm to 4.0mm. The DC2300A detects Zn-Air primary cells and will not charge them.