Confezione da 2 - Batteria al piombo sigillata 6V 4,5Ah PS-640 - AGGIORNATA 5AH - DURA PIÙ A LUNGO
Thus, there is no excessive build up of gas in the batteries. This low pressure venting system, coupled with the extraordinarily high recombination efficiency, make PowerStar batteries the safest sealed lead-acid batteries available.