ZEN Dania is a small danish company, who has made an agreement with a foreign company, that has manufactured a machine that regenerates lead batteries. The device will be connected to the charger. The machine makes it possible to save power when charging, up to 25 % in battery lifespan. it is possible to recharge the battery up to 80 % in the battery lifespan, without the machine the recharge drop down to 40 % within a few years.