Product Introduction: Enjoy a new UI design with a vibrant digital screen for easier readability. Get more functions to check car battery’s health, starter status, charging system, and alternator performance. With FOXWELL's premium chip, expect fast and 99.9% accurate results in seconds. The nearly 6.5ft cable of the battery tester 12v automotive allows easy testing both inside and outside the vehicle without assistance.  FOXWELL BT301 Main Features: 1. Multiple applications: Work for 6V and 12V vehicles including SUVs, ATVs, electric mowers, tractors, boats, motorcycles, and light trucks. 2. Tests batteries from rated from 100 to 2000CCA. Cold Cranking Amps settings is in increments of 1 and you can line up with your battery ratings from 100 to 2000CCA; 3.This automotive battery tester accurately measures SOH, starter state, cranking voltage, cranking time, CCA, SOC, alternator output, and no-load/loaded voltage. 4. Tests multiple battery types- regular flooded, AGM flat plate ,AGM spiral and gel; 5. Tests multiple rating systems-CCA,BCI,CA,MCA,JIS,DIN,IEC,EN,SAE,GB; 6. Support both in-vehicle and out-of-vehicle test, no need to remove the battery; 7. Provide reliable results within seconds, accurancy up to 99.9%; display suggestion according to the testing results (Good, Recharge, Replace), detects bad cells directly; 8. Suitable for automobile factory, garage, auto battery manufacturer, and DIY enthusiasts, etc.    FOXWELL BT301 Main Functions ☛Show the state of health (SOH), state of charge (SOC), voltage ☛Measures starter state, cranking voltage, cranking time, CCA, SOC, ☛Measures alternator output, and no-load/loaded voltage. ☛Battery Health / Cranking / Charging / Voltage Test Battery Cranking Tester Measuring the battery's ability to start the engine by testing voltage drop and crank time during startup. It determines if the battery can provide sufficient power, with significant voltage drops indicating a weak or failing battery. Ensures reliable engine startups, especially in cold weather. Battery Charging System Tester Check the health of your battery charging system to prevent overcharging or incomplete charging, which can damage your battery. The tester indirectly evaluates the alternator's performance by analyzing battery voltage fluctuations. Note: The BT301 does not directly test the alternator.   Battery Tester Results: 🔋GOOD BATTERY: The battery is in good condition. 🔋GOOD-RECHARGE: The battery is in good condition but low current. Fully charge the battery and return it to service. 🔋CHARGE & RETEST: Fully charge the battery and retest. Failure to fully charge the battery before testing may result in inaccurate results. If you still get CHARGE & RETEST message after you fully charge the battery, replace it. 🔋REPLACE BATTERY: The battery is almost dead or the connection between the battery and battery cable is poor. Replace the battery and retest; or disconnect the battery cables and retest the battery using the out-of-vehicle test before replacing it. 🔋BAD CELL-REPLACE: The battery may be damaged such as broken cell or short circuit. Replace the battery and retest. Package Including: 1 x FOXWELL BT301 1 x Clamps 1 x User Maunal 1 x Carrying Bag |
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We are specialized dealer of On-Board Car Diagnostic tools and automotive electronics
for more than 10 years.
We are authorized first class distributor of Launch, Foxwell, Autek, Ancel, Innova, Autophix, Thinkcar, Kzyee brands,
and more brands will be show in our store in near future.
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On Mar 23, 2026 at 09:53:59 PDT, seller added the following information: