Generally the maximum unloaded voltage for lithium batteries is 1.8 volt. Its constant current is 1A, at this value, capacity of battery is almost constant. The maximum current delivered by this AA battery is 3A. At this maximum energy battery gets warm.
Specifications of Duracell energizer AA:-
• It can Lasts up to 9x longer in digital cameras which means 9x less wastage
• Its Weigh is 1/3 times lesser than standard alkaline batteries
• It can Perform in extreme temperatures range such as from -40°F to 140°F
• This batteries Hold power for 15 years idol condition.
• It has Leak resistant construction
• This battery can be classified as "Cylindrical Lithium"
• Its main Chemical components are Lithium/Iron Disulfide (Li/FeS2)
• This batteries belongs to ANSI 15-LF, IEC-FR6 family
• Its Nominal Voltage is 1.5 Volts
• Storage Temperature is -40°C to 60°C (-40°F to 140°F)
• Operating Temperature is -40°C to 60°C (-40°F to 140°F)
• Its Weight is 14.5 grams (0.5 oz.) [for single battery]
• Its Volume is 8.0 cubic centimeters ( or 0.5 cubic inch)
• It can give up to maximum 3.0 Amps Continuous (single battery only) and 5.0 Amps Pulse (2 sec on / 8 sec off)
• Max Revised Current: 2 uA
• This battery contains small amount of Li (Less than 1 gram)
• Typical IR: 90 to 160 milliohms
• Long Shelf Life: 15 years at 21°C
For more details you can visit http://www.batteriesandbutter.com.