How you adjust the time and date?

Good day, Sorry for the late reply because Chinese New Year holiday. Here is the video, please note to hold left key, down key and the menu key to change the date. Anything else we could help, please contact us via Amazon messages. Stay healthy. Mesue

Does this bt780 battery tester need the voltage higher than 9V to run the printer?

No it has a 9 volt battery in it as well so as long as that battery is good the voltage of the cars battery doesn’t matter

How to update the software of this BT780 battery tester?

Hello Dear, Thanks for your inquiry. Here are the steps about how to update this BT780 battery tester: 1. Power on the battery tester and find FORMAT CARD on the main menu. 2. Remove TF card from the tester and connect it to computer via card reader in the case. 3. Download BT780_Firmware_V... from Foxwell website(old and new are all allowed). 4. Put TF card back to the analyzer, and select FIRWARE UPDATE from the Main menu. 5. Input 1234 and click Enter button. After the tester restart automatically, the software is updated successfully. If you have any other questions, pls feel free to contact us directly below. Best wishes, OBDZON amazonsupport@foxwelltech.com

Is there U.S. based support?

Hi Wayne C., thanks for your inquiry. Yes, usually Foxwell BT780 car battery tester supports U.S. Any other questions, please feel free to contact us for further assistance. :) May you and your family safe and healthy! OBDZON Link to contact us: https://amzn.to/3poRTiH Email: amazonsupport@foxwelltech.com

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描述

🔧 Diagnose Like a Pro, Print Like a Boss!

INSTANT PRINTED REPORTS ON DEMAND - Print professional, detailed battery health reports anywhere with the integrated thermal printer and included paper rolls.
PRO LEVEL PRECISION IN EVERY TEST - Achieve up to 99.9% accuracy with FOXWELL-grade chips and insulated clamps, ensuring reliable diagnostics in any weather.
SELF POWERED FOR TRUE INDEPENDENCE - Built-in battery lets you test off-grid or deeply discharged batteries without vehicle power, perfect for roadside or remote diagnostics.
CUSTOMIZABLE MULTI USER MANAGEMENT - Personalize reports with technician/shop names and track up to 4 users for flawless fleet and workshop maintenance records.
MULTI VOLTAGE MULTI BATTERY COMPATIBILITY - Seamlessly test 6V, 12V, and 24V systems across cars, trucks, boats, motorcycles, and more with support for all major battery types.

The FOXWELL BT780 is a cutting-edge 12V/24V car battery tester designed for professionals and enthusiasts alike. Featuring ultra-precise diagnostics with up to 99.9% accuracy, a built-in thermal printer for instant reports, and compatibility with a wide range of battery types and vehicles, it empowers users to perform reliable testing anywhere—even off-grid. Rugged, weather-resistant, and user-friendly, the BT780 elevates battery maintenance with customizable multi-user tracking and advanced testing technology trusted worldwide.

规格

Brand	FOXWELL
Power Source	Built-in Printer; Battery Health & Cranking & Charging Test
Style	6V 12V 24V Battery Tester with Printer For Car Heavy Duty Truck Buses Marine Motorcycle ATV SUV Boat Yacht Golf Carts
Color	Foxwell BT780 12v/24v Battery Tester
Item Weight	1 Pounds
Min. Operating Voltage	5 Volts
Measurement Type	Battery Tester
UPC	712321445025
Manufacturer	foxwell
Item Weight	1 pounds
Package Dimensions	14.53 x 10.79 x 3.39 inches
Item model number	Foxwell BT780 Digital Battery Analyzer
Manufacturer Part Number	foxwell bt780
Special Features	1. Replaceable test lines, <br>10. Advanced starter/alternator test, <br>11. Quick starter analysis without disabling the ignition, <br>12. Multilingual menu and test results-Chinese, Dutch, English, French, German, Hungarian, Japanese, Korean, Polish, Portuguese, Russian and Spanish, <br>13. Dedicatedly developed to test start-stop AGM and EFB batteries, and equipped with 0-1000A AC and DC current clamp(optional), <br>14. Does not emit light, heat or spark, or discharge battery battery - keeps operation safe for all levels of users, <br>2. Advanced conductance test technology makes test more convenient and accurate, <br>3. Ripple voltage test allows the technicians to check the output voltage of alternator quickly, <br>4. Built -in thermal printer makes it possible for the technicians to print test results at anytime and anywhere, <br>5. SOC and SOH test result display makes technicians easier and faster to judge the battery status, <br>6. Tests multiple battery types - regular flooded, AGM flat plate, AGM spiral and gel, start-stop AGM and EFP batteries, <br>7. Tests multiple rating systems - CCA, BCI, MCA, JIS, DIN, IEC, EN, SAE, <br>8. Quick and accurate test result display in just 3 seconds, <br>9. Applicable for 12V battery system and 12V & 24V starting and charging system
Voltage	12 Volts