... guarantees the battery leakproof fluid,no acid pollution. Charging under the specified voltage,no acid fog overflow.Put battery with the ... of open and close vale,explosion-proof and filtration acid fog function.Once excessively chargeing,it can release the ... current.5.Use advanced prossing technology(alloying technology,plaster of lead craft,electrolyte formula,epoxy seals ties carft),guarantees the ...