Special Features:

Inbuilt hydrometer; factory sealed; polypropylene case; liquid-gas separator area; integrated or rope handle; flame arrestor; heat sealed covers; centered cast on plate strap; low resistance envelope separators; increased battery shelf life

Properties:

A battery, composed of two or more cells forming a single unit, which may or may not be readily separable and which may be efficiently recharged by sending an electric current through the cells in a direction opposite that of the discharging current. the item may be furnished with integral charging facilities. for items which are composed of a single cell see cell, battery.