BP-5i insert for ICOM - 10.8v 600mAh Ni-Cd

Replacement rechargeable Nickel Cadmium insert for ICOM BP-5 battery pack. This insert goes inside the battery pack that has NO plug-in jacks. Specs: 10.8 volts, 600mAh. Install CAREFULLY, and make sketches to confirm proper re-wiring, polarity, overcharge protection, etc. NOTE: the "CM-5A" commercial battery insert is DIFFERENT from this one.