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Car Battery Tester 12V 24V 100-2000CCA Lead-Acid Battery TOPDON BT300P Alternator Tester Load Tester with Built-in Printer Spark Free Metal Clamps Automatic Reverse Polarity Protection 2V24V Battery Tester The BT300P is a quick and accurate battery tester that offers printed diagnostic receipts. Know everything about the health of 12V batteries the 12V 24V starter motors cranking status and 12V 24V vehicle electronic systems charging condition. This is TOPDONs newly developed battery tester that ensures your batteries are always working at an optimum level. Wider Application This device works on a wide variety of 12V automotive lead-acid batteries such as 1002000CCA regular flooded AGM flat plate AGM spiral Gel and EFB. It detects the failure of the starting and charging systems in 12V 24V cars motorcycles trucks RVs ATVs SUVs boats yachts and even lawnmowers. Most vehicle issues caused by a defective battery can be fixed with the BT 300P. Fast Accurate Test Results Featuring TOPDONs latest conductive battery testing technology this modern battery tester can identify the exact reason why your battery failed in only 3 seconds. Research shows that its results provide an accuracy of 99.5% C more precise than competing battery testing equipment. User-Oriented Battery Load Tester Its 2.4 color screen shows crystal-clear readings at any lighting condition. Intuitively placed buttons allow you to toggle menus with ease. With the built-in thermal printer you wont have to worry about running out of ink. No ribbons cartridges or other supplies are needed for its use. Standard thermal paper is the only refillable supply required to print your test results. Extra-Safe Operation With spark-free copper clamps PVC-coated wiring and built-in automatic protection against reverse polarity the BT300P provides the extra safety you need when battery testing. Its insulated ABS shell prevents current leaks and can withstand damage. With an extra-long 31.5 cable this car battery tester is even more convenient to use.