7 Best
The Battery Testers
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Product Highlights- Update to get the bt20 2024 new version：the topdon bt20 car battery tester has been updated with more features since 2/13/2023. ①measures cca/ah/gb/sae/bci/ca/en/iec/din/mca; ②battery types:norm/agm/efb/gel; ③rich info: battery/voltage status, soc&soh. customers who purchased the bt20 before 2/13/2023 can update their bt20 to access these new features.
- Expanded voltage, cranking, and charging tests: connect to this car battery tester via bt to get additional cranking, charging, and voltage testing capabilities. easily view real-time voltage waveform graphs and use data playback functionality. note: bluetooth connection should be established via the app, not phone settings.
- Comprehensive vehicle coverage: this 12v battery tester works on a variety of vehicles equipped with 12v batteries such as boats, motorcycles, ships, and trucks.
- Exciting news: the newly launched ios app, batterylab, is designed to deliver a new and improved user experience for our bt20 customers. ios users can search batterylab on apple app store to download the app and access the bluetooth features. android users should search for bt20 on google play as usual.
- An budget-friendly car battery tester: the bt20 features 4 testing modes: battery load test (range 10v-20v), voltage test, app-exclusive cranking test and charging test. works with 12v lead-acid batteries.
- Improved speed & accuracy: advanced conductivity testing technology delivers rapid results with up to 99.5% accuracy, enabling you to quickly diagnose and address battery health issues.
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Product Highlights
- 🔥【safety ensured】- reverse-hookup and over-voltage protection, making it safe and simple to use. the digital voltmeter testing range: 4-20v dc. 【if the voltage is under 4volts, the screen will display - "lo"; above 20volts, the screen will display - "hi"】
- 🔥【rubber paint body to achieve the original quality】- black rubber paint on the body surface to achieve the best feeling. as the inventor and the manufacturer of the tester, we are keen on the details to ensure the brand quality and the good custome buying experience.【note: the counterfeit doesn't include the rubber paint on the body at all. 】
- 🔥【two-year warranty and lifetime service】- direct source from motopower factory. just register your product on the manufacturer's website to activate your warranty. 30 days money back and 24/7 friendly customer service.
- 🔥【easy operation】- connect and go. it provides a quick reading to determine if a vehicle battery needs a jump or replacing and also the alternator output status. various colored leds indicate the battery or the alternator status.
- 🔥【high accuracy】- with a four-character lighted digital display, the voltage testing accuracy will be close to 0.01volt. 【note: verify the counterfeit with only 3-character display. the accuracy is only 1/10 of ours.】
- 🔥【daily use】- it's an economic and practical tool for daily inspection of the battery and charging system.
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Product Highlights
- ★ crisp lcd screen: easy to use analyzer shows what you need to know about your battery’s health, it will accurately shows whether the battery is in poor, weak, or good condition of voltage.
- ★ remarkably compact: one of the smallest and lightest portable battery checker. a pocket-friendly compact chassis with an anti-slip finish enables a firm grip in your hand for battery checking.
- ★ high compatibility: it is not only suitable for aa, aaa, c, cr123a, d, 9v, n, cr2, crv3, 2cr5, cr-p2 cylindrical battery testing, but also good for checking a wide variety of button cell batteries
- ★ quick results: simply place a battery into the decent battery detector, it will shows you quickly the status of your batteries’ health by the using bars, helps you avoid battery damage from unnecessary recharges. don't powered by rechargeable battery nor test rechargeable batteries
- ★ what you get: dlyfull universal battery tester(1x aaa battery included), welcome guide, & our worry- free 18-month warranty and friendly customer service. a living assistant helps you save money as well as prolong the lifespan of all your batteries.
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Product Highlights
- Display overall batteries data: providing basic battery parameters such as voltage, internal resistance, cold cranking amp and ah capacity, battery health and charge status, show you professional advice whether to replace or charge the battery.reverse connection protection, even positive and negative are inversely connected, you still no need to worry about battery damage.
- Portable & convenient:the device itself is small in size, easy to hold. with a large lcd display that has white backlight and contrast adjustment, indicates test results directly.easy to carry and provides a worry-free for outings or business trips.
- Automotive car battery tester: our car battery tester can test all 6v 12v 100-2000cca batteries including regular flooded, agm flat plate, agm spiral, or gel batteries.compatible with cars, suvs, pickups, boats, motorcycles and etc. providing overall analysis of battery’s health, help you know battery's status.
- Fast & accurate: quickly and accurately determine the overall health of the battery. and battery load analyzer allows you to test batteries both in-vehicle and out-of-vehicle, even test dead batteries. just connect the tester’s clips with battery then it will turn on and ready to test and analyze battery, and if the clip is not properly clamped,the screen will flicker,c...
- Costumes service：100% no question asked return. we offer 24 months warranty and if you have any question about the battery tester, please send message to us via amazon. our professional technical team will help to you solve the problems within 24 hours.
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Product Highlights
- 👍【plug and play】the bm550 car battery tester is easy to use, just connect the battery tester clip to the car battery properly and start working, whether the battery is inside or outside the car, or a dead battery can be tested.
- 👍【easy to use and accurate data】 battery test results are based on the cca standard and can be quickly and accurately displayed on the 1.8-inch hd screen, giving you a quick overview of the battery's condition. you can test the battery inside and outside the car, very convenient.
- 👍【6v 12v 24v car battery tester】kingbolen bm550 battery tester can test all 6v 12v 24v 100-2000 cca car batteries, supports 2ah-220ah (need to enter the corresponding cca value on the battery), including battery analyser for normal batteries, agm flat batteries, agm wound batteries, gel and efb batteries, car truck, etc. not suitable for deep cycle batteries).
- 👍【practical car battery analyser】 the bm550 car battery analyser can display a wide range of data from a car battery quickly and accurately. it can test the soh (state of health) and soc (state of charge) of the battery, easily 100-2000 cca, internal resistance test and voltage test. with our battery tester, you can easily keep track of the current status of your car ba...
- 👍【user-friendly design】 kingbolen bm550 car battery tester is protected by reverse polarity. if you accidentally connect the two wires backwards, don't worry, the battery tester will not work at that time to prevent the internal circuit from burning out, which can well protect the long-term use of the device and the car battery.
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Product Highlights
- Tester for 13 different types of accumulators/batteries can be measured (aa/aaa/c/d/n/e/cr123a/cr2/cr-v3/1.5v/3v/2cr5/cr p2)
- Small and portable, this easy to carry battery tester quickly checks the energy level of standard batteries and batteries
- Practical testing device for all standard batteries, rechargeable batteries and button batteries, displays test results on the lcd screen
- With this battery tester, you can easily and quickly check whether the batteries / batteries can still be used or if they need to be replaced or charged
- Box contents: 1 x bt2 battery tester, 1 x aaa micro battery, 1 x instruction manual (english language not guaranteed)
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