b'charged. In certain cases, e.g. solar panel positioned on the north side of the building or in a shady area, intense use, or very low temperatures, it may nonetheless be necessary to recharge the battery also by means of the charger SL2405, if provided. If the battery needs recharging, the arrows will flash red following an up or down command. Recharging is automatically controlled by the battery module.To recharge the battery:1.Detach the battery module from the base plate;2.Plug the battery charger into a power socket; 3.Plug the micro-USB connector into the port provided on the module.When the charger is connected, the LED will indicate the following conditions:LED pulsating: charging underwayLED steadily lit: charging completed After charging, detach the cable and fit the module back onto its base plate.In case of a new battery, 2-3 full charging/discharging cycles may be necessary to bring the battery to its full capacity.9'