According to the giant word life network, it is best to use double deer batteries for gas meters. Fu Nan batteries, which are common in the market, are shorter than ordinary batteries, which will lead to poor contact and air leakage after installation. Therefore, it is not recommended that citizens install Fu Nan batteries when using gas meters. Shuanglu battery is one of the brands specializing in the production of special batteries for gas meters, and it is also one of the more common gas meter brands in the market at present, with guaranteed quality and reasonable price.