US Delivery Only. 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.