Battery apparatus for use in starting railroad locomotives includes a portable housing. The cartridge may include a test fluid chamber for facilitating a substantially uniform flow of a test fluid mixture through the flow through device, and may include a fluidics station to deliver the test fluid mixture to the cartridge. Thus, space utilization can be enhanced and rolls can be stably kept. The signal producer sends an initial pulse signal to an input terminal of a memory. The improvement resides in the use of a lithium salt of the formula: Li2B12FxZ12\u2212x wherein x greater than or equal to 4 and Z represents H, Cl, and Br. Also the image forming apparatus to be managed includes that currently contracted and that contracted in the past.