... well know brand good quality pvc screap start quickly dry charged battery:maintenance needed, dilute sulphuric acid needed. ... N7012V70AH310*170*2001314.2Tips:When you use a new dry charged battery,please charge it by a charger ... life.Because the electric current can activate the chemical substances which in battery plate. And 30 minutes is ... ,ISO14001,ISO/TS16949,CE,SASO.SONCAP etc dry charged battery