Label: Question: How to add water to a lead-acid battery
There are five steps to add water to a lead-acid battery: First prepare the materials. Prepare electrolyte with distilled water and pure acid, the ratio is 500mL distilled water and 0.5mL pure sulfuric acid. Prepare a standard rubber exhaust valve as a spare. The required tools are screwdriver straw (can be replaced by disposable needle tube) transparent polyethylene tube (the diameter of which should fit the suction of the straw or needle tube) ABS glue. Then pry open the cover plate above the lead-acid battery along the vent hole. The covers of some lead-acid batteries
are glued with ABS glue, and the covers of some lead-acid batteries are connected with buckles. Be careful not to damage the cover when you pry the cover off. At this time, the rubber caps of the 6 exhaust valves can be seen. Then open the rubber cap to expose the vent hole, through the vent hole you can see the inside of the lead-acid battery. The exhaust valve of some lead-acid batteries can be unscrewed, and there are some fillers around the rubber caps of some lead-acid batteries. Take care to remove the fillers. Then use a straw to suck the configured electrolyte and inject it from the vent. The electrolyte should cover exactly 1mm of the plate. Finally, cover the vent hole of the lead-acid battery filled with electrolyte with a breathable shield to prevent dust from falling into the vent hole. Stand still for 24 hours and observe whether there is flowing electrolyte (free acid) inside the vent. If not, replenish the electrolyte. Then, the battery replenishment is complete
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