Review on 🏌️ State-of-the-Art Golf Cart/Deep Cycle Battery Rapid Hydrometer Tester: Optimize Performance and Maximize Battery Efficiency by Chris Cooper

This item arrived quickly and well packaged but there can be problems. While this will likely work with most automotive batteries, I ran into an issue with a new Interstate Deep Cycle Marine battery that I wanted to test. There isn't enough liquid in each cell to take a reading, so I've had no luck testing, although this tester generally works very well when there is enough battery acid to fill the tester. There is no way to know in advance if this will work with a specific battery.