To use; place the solar panel plug into the included ‘Y' connector and attach the ‘Y' connector plug into your baitboat's gold charging. The solar charger is designed to top up the charge on your baitboat battery during extended use, but can charge the boat from flat in about 14 hours although it is unlikely that there would be sunshine for that continuous period. The panel should be positioned such that it directly faces the sun without any obstructions. The panel functions best in direct sunlight but will still give a reasonable output in overcast conditions. The vacant socket on the ‘Y' connector can be used to monitor the charging process using the battery meter (available seperately), or for the transmitter charging leads (included) so that the transmitter may be charged using the solar panel. Additionally the transmitter charging leads may be used to charge the transmitter directly from the boat.