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Review on ⚡️ Fydun Battery Hydrometer Tester: Fast & Professional Deep Cycle Battery Testing for Golf Carts by John Hashman

Revainrating 5 out of 5

No more guesswork

It's easy to use, just suck some acid out of each cell and use the arrow to see where it's pointing. If you don't see the arrow, the cell is bad, and the higher the arrow, the better the battery

Pros
  • Automotive
Cons
  • I won't say anything