Calculated Industries 8715 AccuMaster BT Digital Battery Load Tester Analyzes 12V 100-2000 CCA Batteries | Voltage, Capacity% Life, Resistance, Cranking Amps | Amp Hours (AH)

Price: $59.95 $59.00
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Manufacturer Description

Now it’s easy to check your battery health – even deep cycle batteries rated only in “Amp Hours” -- before you hit the road, lake or trail!

The AccuMaster BT is a unique new 12 volt battery tester with features not found on professional testers costing twice as much!

Simple to Use Battery Life Analysis:

  • Works with Flood, AGM, Gel and Deep Cycle batteries
  • Cars, trucks, motorcycles, golf carts, boats, RVs, ATVs, trailers and more
  • Tests Cold Cranking Amps from 100 – 1995 CCA
  • Tests Voltage range from 7-15 volts
  • Tests Internal Resistance
  • Provides Battery Condition and Capacity % Life
  • Estimates Capacity and Condition on deep-cycle Amp Hour rated batteries too
  • Also used to check health of battery cables and overall charging system
  • Clearly-written User Guide by US engineer



  • Pays for itself by preventing premature battery replacement and unneeded garage appointments
  • Battery can be tested in or out of the vehicle
  • Safe -- does not discharge or drain the battery
  • Built-in reverse polarity protection for both the tester and the vehicle
  • Needs no internal battery to operate
  • Fail/Low/Pass/Good condition rating simplifies your Keep/Replace decision
  • Flat black LED display with backlit white digits reduces glare in direct sunlight
  • Includes protective zippered case for tangle-free storage and carrying


Tech Specs:

  • Tester Size: 5.1 x 2.75 x 1.1 inches
  • Cable length: 27.5 inches below the tester
  • Weight: 8.8 ounces
  • Maximum Input Voltage: 15 VDC
  • CCA range: 0-1995
  • Amp Hour AH range: 0-199.5
  • Voltage accuracy: +/- 0.03V
  • Resistance accuracy: +/- 0.3 milliohms
  • Operating range: 32-104°F; 80% relative humidity or less, non-condensing
  • Warranty: Two year limited warranty


Travel in confidence knowing you’ve checked the battery health on whatever you drive!

Click Add to Cart Now!

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Product Features

KNOW BEFORE YOU GO -- Simple-to-use analyzer shows what you need to know about your battery's health: actual cold cranking amps, voltage, internal resistance (ohms), capacity or remaining life %. Shown on glare-reducing screen w/ backlit white digits ONE TESTER FOR ALL YOUR 12V BATTERIES -- AccuMaster BT accurately analyzes most 12 volt batteries including Flood, Gel, AGM and Deep Cycle. It handles a 100-1995 CCA test range. Test vehicle's positive/negative battery cables and charging system health ESTIMATE AMP HOUR (AH) BATTERY-HEALTH TOO -- Exclusive built-in algorithm lets you input up to 200 AH and then tests actual CCA and gives *estimated* battery capacity life % and condition rating. Essential for dual/hybrid and deep-cycle batteries COMPACT AND COMPLETE -- AccuMaster's sturdy, body has a no-slip finish; fits comfortably in your hand; flexible, insulated cables are thicker and safer than others and have 27" reach. Large, insulated spring steel clips with alligator teeth won't slip YOU'RE PROTECTED -- This durable portable diagnostic tool needs no battery, it runs on the 12-volt battery being tested. Has pouch for tangle-free storage and clearly-written (US) User Guide. Our 40-year company and 2-year warranty guarantees satisfaction

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