myjas luminous microtek inverter battery water level indicator cap set of 6 (30 mm) Height Gauge

Best battery water level indicator cap for lead acid batteries. No assembly required. Simply replace the battery caps with this water indicator. It will show you maximum level and minimum level of battery water. So you can refill the water as required and your battery will run for longer term. Thread size is 30 mm and supports most of tubular batteries except some models of exide batteries. The battery water level float is made with good plastic and is equipped with fumes filter for protecting the air.