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The Midtronics PBT300 is a handheld automotive battery tester designed for 12-volt starting batteries, offering an expanded measurement range of 100-1400 CCA. It delivers fast, accurate battery health assessments using Midtronics' industry-leading conductance testing technology, including bad cell detection and starter/charging system voltage checks. Trusted by professionals since 1984, this compact tool ensures safe, spark-free testing and helps prevent unnecessary part replacements.










| Asin | B000K38UN6 |
| Best Sellers Rank | #107,970 in Automotive (See Top 100 in Automotive) #118 in Battery Testers |
| Brand Name | Midtronics |
| Color | Black |
| Compatible Devices | 12-volt automotive starting batteries |
| Customer Reviews | 4.4 4.4 out of 5 stars (210) 4.4 out of 5 stars |
| Global Trade Identification Number | 00175000703005 |
| Included Components | Item |
| Item Dimensions | 7.5 x 2 x 3.5 inches |
| Item Weight | 2.56 ounces |
| Manufacturer | Midtronics |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 12 volts |
| Model | PBT300 |
| Number Of Items | 1 |
| Part Number | PBT300 |
| Power Source | Battery Powered |
| Style Name | Handheld |
| Unit Count | 1 Count |
| Upc | 175000703005 031112646589 675000003018 |
| Upper Temperature Rating | 120 °F |
| Warranty Description | 1 year |
User
Midtronics is the best.
This model is simple and easy to get accurate results. The concepts are easy to understand, without going into too much interpretation. Pretty much go or no go. Important to make solid connections. The battery measuring can be greatly effected, if connections are not well made. For example, a bolt loosely threaded into a side post battery showed the battery to be junk. Adding a nut and tightening it gave a good result. It is that sensitive! It gives an actual value of cold cranking amps, along with the go/no go indicator. Alternator and starter testing are a simple test and yields voltage readings which can be used to determine if a component is "on the edge" of good/bad or defective. The price is reasonable and even a novice can save money by not replacing parts that may or may not be defective. It will pay for itself quickly.
User
its a good tool
Measures output in increments of twenty CCA. The shop I work in has a more expensive midtronics battery tester that will tell you the battery is ok but should be replaced soon. This tester would say the same battery needs to be replaced. I wish it were a little more precise but it performs well and I am pleased. Yes I would recommend this to a friend.
User
Medidor de generación Midtronics PBT300
Excelente, lo recomiendo para uso contínuo, tengo 10 años usándolo y sigue funcionando sin ningún problema
User
Real Piece of garbage
I purchased this in August of 2019 I used it to service batteries on a mountain where we have a internet broadcasting tower. It has had to be used three times on a system that contains 7 D29 deep cycle batteries. The meter failed and only reads CONN on the display. I called customer support and was informed that I need to send it in for a cost of 109. and change. The company would not even tell me how to open it so I could replace the failed component myself. This is a known problem with this meter. It's true Do not made in America electronics if you want it to last.
User
Very good quality
Battery tester works as stated. CCA settings, however, do no line up with all battery ratings. Settings are in increments of 20 and does not line up with my battery rating.. My battery is 750 and I had a choice of 740 or 760. Go figure??
User
Job related
Excellent test equipment. But test leads a bit short. Still did OK.
User
Works well and is made in the USA
A commercial version of this unit is used by the Telecomm industry to test large Central Office batteries. This PBT300 works great for testing auto batteries. It seems to be very accurate. The Start-Voltage-Drop test function works well and is perfect for testing battery condition and could also test battery cables if attached to the starting motor and engine block. It can also determine the condition of the Alternator charging system. Use of this tester is a great way to determine when your battery is nearing it's end of life. You can replace the battery BEFORE it fails and leaves you stranded.
User
Good enough to buy another after 12 years
This tester is expensive for what it does, but I trust it and it is simple to use. It is almost unchanged in the twelve years since I bought my last one, which only broke when it got run over.
User
good
It was very good and so quick to get.Thank you very much
User
Saved me $250.
Went to local mechanic, he mentioned new starter is needed. So with all parts and labor it will cost me $250 total. I did not trust him because starter seemed to me good. Took my car to one of my good friends he had this midtronics tool and right away he saidyour CCA is very lowyou need a new battery broafter rapping i went to Canadian tire replaced the battery and its been 2 months no battery issues. This tool also test the alternator. I know its expensive but worth the money.
User
Just a multimeter
Useless tester, any 20 dollar multimeter will do the same job, waste of money.
User
Nothing better
Midtronics testers cannot be beat for value for provided functions. Most of the other capacitance style testers in the lower end price range do not provide the accuracy that these do or give you actual CCA readings but rather only a vague description of the state of your battery.
User
バッテリーに寿命が来たかどうかの判断
バッテリーに寿命が来たかどうかの判断を簡単・短時間に確認できて良い製品です
Trustpilot
4 days ago
3 weeks ago