YW-791 Brake Fluid Tester and YW-781 Car Battery Tester

★★★★★ 4.1 81 reviews

$90.00
Price when purchased online
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$90.00
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 212708874 Release Date 2026/04/06 List Price $36.00 Model Number 212708874
Category
  • High-Precision Multi-Fluid Testing: Detects moisture levels in DOT3, DOT4, and DOT5.1 brake fluids, from very high purity at 0.1 percent to replacement warning above 4 percent, helping ensure safe vehicle performance.
  • Flexible 200mm Corrosion-Resistant Probe: Adjustable metal serpentine tube reaches confined brake reservoirs with ease. Corrosion-resistant ABS housing and wipe-clean probe design ensure durability and reliable performance.
  • Comprehensive Testing Functions: Performs Start Ability, Start Load, Maximum Load, and Charge System tests, helping you evaluate battery health, cranking capacity, and charging system performance.
  • 12V & 24V Battery Compatibility: Supports lead-acid, AGM, and EFB batteries from 30–200Ah. Works across cars, trucks, SUVs, RVs, boats, and golf carts, covering most daily automotive needs.
  • Accurate & Safe Diagnostics: Uses a four-wire Kelvin test method for reliable readings. Built-in protection against reverse polarity, overvoltage, and poor contact ensures safe operation.
Brand Name yowexa

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4.1 out of 5
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81 ratings | 33 reviews
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