... Stable quality. Good services. The good assistant of the BATTERY POWER LIQUID TRANSFER PUMP We are factory,OEM IS OK BatteryDirections ... , office, hospital, parties, etc.3. APPLICABLEIN OTHERLIQUIDSApplicable in liquids with low viscisity, such as spot drink, alcoholic drink,etc. in ... and make sure the battery woke till exhausted2,Remove the tube cover cap and attatch with fastener top bottle neck ...