i have tested these on My Algoforce e1500 and Minelab GpX4500 and seem to work very well they clip onto shaft and speaker can be remover from mount to be charged when not in use.

 i assume it will also work on other models can cannot confirm this.

you will recieve 1 new sealed unit in original packaging colour is black as seen in pictures.

so i am  now listing them here 

local pickup from colac victoria is welcome and postage will be combined for multiple units.