Views:2 Author:Site Editor Publish Time: 2019-02-21 Origin:Site
1. Add distilled water regularly to prevent drying up.
2. Avoid charging with heavy current as far as possible. If charging with heavy current, make sure that the exhaust holes on the cover of the water are unblocked.
3. Clean the water-adding hole on the cover regularly to make sure the exhaust hole unobstructed.