Feature:
1. Large Floating Discs: Each colored disc in the car battery tester is designed to float at a different specific gravity, floating more as specific gravity increases
2. Fast Detection: Our professional hydrometer quickly and easily draws liquid with the one‑piece rubber bulb and neoprene tip, offering results in seconds.
3. Long Durability: This battery hydrometer tester features professional‑grade construction and glass housing for durability.
4. Easy to Use: Car battery cell tester includes a durable rubber bulb and a flexible tip for accessing hard‑to‑reach cells.
5. Professional Tool: Professional for measuring acidity battery solution, provides you a more exact data. Small and light in weight, and convenient for you to carry.

How to Use:
First remove the filling hole cover on the battery, then put the lower end of the density meter into the battery, pinch the rubber ball on the upper part of the density meter by hand, slowly loosen the rubber ball, suck the electro‑hydraulic into the glass tube, and make the inner colored disc float , The reading can be read through the floating.

Specification:

Item Type: Battery Hydrometer
Material: ABS+Rubber+Neoprene+Glass

Fitment: Universal for car

Package List:
1 xBattery Hydrometer1 x Manual

Note:
When reading, observe the line of sight should be parallel to the liquid level.