How about an electric wrench?
Inhale distilled water from a dropper and drain into the storage battery by an exhaust vent. Cover the battery with a good air shield to prevent dust from falling into the exhaust hole. The best two distilled water for medical use. The principle of replenishing water is better than less. Not enough, you can add more, resulting in a drop in acid content, the battery capacity will be inadequate. Inexperienced people can master 5mL at each hole. It is best to look at Canada, wet, shiny, watery. Wet just, sparkling more watery, too much.
The exhaust valve base of some batteries can be unscrewed, and the exhaust valve base can be unscrewed without opening the rubber exhaust valve. Some of the battery's rubber cap also has some padding around it. Open the lid, with a flashlight to see if there is a dry hole inside the case, that is whether the battery loss of water. The polar plates of the battery are wrapped in white fiberglass, and should be wet.
Pry open the cover plate above the battery. Some of the battery cover is ABS glue bonding, and some batteries are connected to the buckle. Yes, skateboarding. Don't damage the cover when you open the cover carefully. Then you can see the rubber cap of the 6 exhaust valves. Open the rubber cap and expose the vent. The inside of the battery can be seen through the vent.
