supply of battery, dry cell, 9 volts , battery, dry cell, 9 volts, alkaline type (iec: 6lr61), nominal voltage 9 volts, non-rechargea ble, rectangular shape. makes: duracell /panasonic / eveready or equivalent. note:1 these batteries are int ended for use in portable electronic instruments, digital multi meters and similar applications. 2.batteries s hall be leak-proof under normal storage and operating conditions. 3.manufacturer name, battery type, volta ge, polarity, batch number, manufacturing date and expiry date shall be clearly marked on each battery. 4. batteries shall be supplied in fresh condition with minimum 90% shelf life remaining at the time of supply a nd minimum shelf life shall be 05 years from the date of supply. [ warranty period: 30 months after the d ate of delivery ] ]