Lead Acid Battery Hydrometer Tester – Magic Eye Indicator
Precision-engineered polycarbonate lens with corrosion-resistant brass terminals for accurate voltage readings. Measures specific gravity and electrolyte levels without opening the battery, ensuring safety and durability. Universal 12V/24V compatibility for automotive, marine, RV, and solar power systems. Quick-snap installation fits most lead-acid battery caps—no tools required. High-visibility color-coded display (green/yellow/red) for instant charge status. Reinforced epoxy housing withstands extreme temperatures (-40°F to 185°F) and acid exposure. Bulk wholesale pricing available. Direct factory supply guarantees 100% QC-tested units. Ships globally with OEM/ODM support.