Special Features:

Rechargeable; maintenance free; 0perating temperature range minum 20 to plus 50 degrees celsius charge and minus 40 to plus 50 degrees celsius discharge; life expectancy 250 to 1200 cycles for cyclic used; 4 to 5 years for standby use

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.