1> We get li battery products from our local factory. and we have a store at our local. we confirm that all our li battery made recently and high quality ! 2> If you need a li battery which we have not listing it on ebay. please contact us. we will try to find it from our local ! 3> If you need li battery more than 50pcs each time.please contact us for a discount. 4> Anyway we will follow up and provide good service for all our customers. hope we can cooperate long-term !