

High-tech Version: With AUTOMATIC Bluetooth 4.2 connection, so battery and system tests wireless from your smartphone. Reverse Polarity Protection, even positive and negative are inversely connected, our battery tester can still work great and no need to worry about battery damage.
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Handling time with 24 hours.
30 days free return, 3 months exchange, 3 years warranty.
BM500 Bluetooth battery tester Can test all 6V 12V 24V batteries
A Revolution Newest Model of Battery Tester With AUTOMATIC Bluetooth 4.2 connection, will connect with your phone automatically in milliseconds, which will help save time and energy!
Perfect for: Cars, SUVs, Pickups, Boats, Motorcycles, Trucks Golf Carts, and more.