nr.1 With this kind of battery think you should use anoter terminology - rather mA/Sec instead of Ah

Nr.2 You phone the importer in your country or you Google.
nr.3 Connect to a variable resistor and Amp meter in serie adjust to 1 amp/ or 1 mili amp and set you stop watch on ! when its emply you will know it the better then anybody in the -world-.