---
product_id: 157172951
title: "FOXWELL BT780 Car Battery Tester with Printer, 12V 24V Alternator Analyzer"
brand: "foxwell"
price: "€ 551.77"
currency: EUR
in_stock: true
category: "Foxwell"
url: https://www.desertcart.gr/products/157172951-foxwell-bt780-car-battery-tester-with-printer-12v-24v-alternator
store_origin: GR
region: Greece
---

# 100-2000 CCA battery range 12V/24V cranking & charging tests Built-in thermal printer FOXWELL BT780 Car Battery Tester with Printer, 12V 24V Alternator Analyzer

**Brand:** foxwell
**Price:** € 551.77
**Availability:** ✅ In Stock

## Summary

> 🔧 Diagnose Like a Pro, Print Like a Boss!

## Quick Answers

- **What is this?** FOXWELL BT780 Car Battery Tester with Printer, 12V 24V Alternator Analyzer by foxwell
- **How much does it cost?** € 551.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/157172951-foxwell-bt780-car-battery-tester-with-printer-12v-24v-alternator)

## Best For

- foxwell enthusiasts

## Why This Product

- Trusted foxwell brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Compatibility:** Supports multiple battery types (Flooded, AGM, EFB, GEL) & standards (CCA, DIN, JIS, SAE) for versatile vehicle coverage.
- • **Independent Power Source:** Built-in battery powers the tester for stable, reliable diagnostics even on weak or dead batteries.
- • **Instant On-the-Spot Proof:** Print detailed, customizable thermal reports—no apps or subscriptions needed—to build trust and close sales faster.
- • **Pro-Grade Durability & Reach:** 6.5 ft reinforced cable, heavy-duty clamps, and rugged case designed for frequent use in busy repair shops and fleets.
- • **Comprehensive Battery Health Check:** Test SOC, SOH, internal resistance & voltage across 100-2000 CCA batteries for cars, trucks, marine & more.

## Overview

The FOXWELL BT780 is a professional-grade car battery tester with a built-in thermal printer and internal battery, capable of testing 12V and 24V batteries from 100 to 2000 CCA. It delivers detailed diagnostics on battery health, cranking, and charging systems with instant printed reports, making it ideal for repair shops, dealerships, fleets, and serious DIYers who demand accuracy, reliability, and on-the-spot proof.

## Description

Buy FOXWELL BT780 Car Battery Tester with Printer, 12V 24V Alternator Analyzer | 100-2000CCA Car Battery Health SOC SOH Test, Cranking Starter & Charging System Diagnosis for Trucks, RVs, Marine & Fleet: Battery Testers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- 𝗣𝗥𝗢𝗙𝗘𝗦𝗦𝗜𝗢𝗡𝗔𝗟 𝗕𝗔𝗧𝗧𝗘𝗥𝗬 𝗗𝗜𝗔𝗚𝗡𝗢𝗦𝗧𝗜𝗖𝗦. 𝗣𝗥𝗜𝗡𝗧𝗘𝗗 𝗥𝗘𝗦𝗨𝗟𝗧𝗦. - Built on FOXWELL's BT705 platform, the BT780 automotive battery tester combines battery, cranking, and charging system tests with a built-in thermal printer and internal battery. Test 100-2000 CCA batteries and view voltage, measured CCA, internal resistance, SOC, and SOH to help decide whether to keep using, recharge, or replace the battery. 12V/24V cranking and charging tests help identify starting or charging problems before replacing the wrong part. NOTE: Does not support deep-cycle batteries
- 𝗣𝗥𝗜𝗡𝗧 𝗧𝗛𝗘 𝗥𝗘𝗦𝗨𝗟𝗧. 𝗦𝗛𝗢𝗪 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗙𝗢𝗨𝗡𝗗. - The BT780 battery tester with printer produces clear thermal printouts directly from the tool—no app, Bluetooth, or subscription required. Show customers the result on the spot, or keep a paper copy for later reference and repair discussions. Smooth thermal printing makes results easy to hand over and review. Includes 3 rolls of thermal paper
- 𝗕𝗨𝗜𝗟𝗧-𝗜𝗡 𝗣𝗢𝗪𝗘𝗥 𝗙𝗢𝗥 𝗠𝗢𝗥𝗘 𝗙𝗟𝗘𝗫𝗜𝗕𝗟𝗘 𝗧𝗘𝗦𝗧𝗜𝗡𝗚 - Unlike basic car battery testers that rely entirely on the battery under test, the BT780 has its own built-in battery. Power it on before connecting, review test information, and print results without depending on the tested battery. This is especially useful with weak or low-voltage batteries and helps maintain stable operation during testing
- 𝗗𝗘𝗧𝗔𝗜𝗟𝗘𝗗 𝗣𝗥𝗜𝗡𝗧𝗘𝗗 𝗥𝗘𝗣𝗢𝗥𝗧𝗦 - This battery diagnostic tool lets you add details such as shop name, technician ID, and battery serial number to the printed test result. It makes it easier to identify the battery tested, explain results to customers, and keep a paper record for follow-up or before-and-after checks. The report provides actual test data instead of only a simple GOOD/BAD message
- 𝗕𝗨𝗜𝗟𝗧 𝗙𝗢𝗥 𝗙𝗥𝗘𝗤𝗨𝗘𝗡𝗧 𝗕𝗔𝗧𝗧𝗘𝗥𝗬 𝗧𝗘𝗦𝗧𝗜𝗡𝗚 - A 6.5 ft reinforced cable gives you more room to work, while the 3.2-inch LCD makes results easier to read. Heavy-duty clamps provide secure terminal contact, and the protective shell and hard carrying case keep the tester organized and protected between jobs. Built for frequent battery testing in repair shops, battery stores, mobile service, fleets, and serious home garages
- 𝗖𝗛𝗘𝗖𝗞 𝗬𝗢𝗨𝗥 𝗕𝗔𝗧𝗧𝗘𝗥𝗬 𝗧𝗬𝗣𝗘 𝗔𝗡𝗗 𝗥𝗔𝗧𝗜𝗡𝗚 - The BT780 battery analyzer supports 100-2000 CCA Flooded, AGM Flat Plate, AGM Spiral, EFB, GEL, and compatible Start-Stop batteries. It supports CCA, CA, MCA, JIS, DIN, IEC, EN, and SAE standards for batteries used in cars, pickups, trucks, RVs, motorcycles, marine applications, and commercial vehicles. Check battery type, rating, and supported test system before use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07XFHGZ3N |
| Best Sellers Rank | #345,853 in Automotive ( See Top 100 in Automotive ) #252 in Battery Testers |
| Brand Name | FOXWELL |
| Color | Foxwell BT780 6v/12v/24v Battery Tester |
| Customer Reviews | 4.2 4.2 out of 5 stars (148) |
| Included Components | battery tester |
| Item Highlight | 100-2000CCA Car Battery Health SOC SOH Test, Cranking Starter & Charging System Diagnosis for Trucks, RVs, Marine & Fleet |
| Item Weight | 16 ounces |
| Manufacturer | foxwell |
| Measurement Type | Battery Tester |
| Minimum Operating Voltage | 5 volts |
| Model | Foxwell BT780 Digital Battery Analyzer |
| Number of Items | 1 |
| Part Number | foxwell bt780 |
| Power Source | Battery Powered |
| Style Name | car Battery Tester with Printer For Car Heavy Duty Truck Buses Marine Motorcycle ATV SUV Boat Yacht Golf Carts, ideal for repair shops, mechanicians, dealerships, battery retailers and DIYers |
| UPC | 712321445025 |
| Upper Temperature Rating | 60 °C |

## Product Details

- **Brand:** FOXWELL
- **Color:** Foxwell BT780 6v/12v/24v Battery Tester
- **Item Weight:** 16 ounces
- **Power Source:** Battery Powered

## Images

![FOXWELL BT780 Car Battery Tester with Printer, 12V 24V Alternator Analyzer - Image 1](https://m.media-amazon.com/images/I/71oDymcGlOL.jpg)

## Questions & Answers

**Q: How you adjust the time and date?**
A: 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

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

**Q: How to update the software of this BT780 battery tester?**
A: 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

**Q: Is there U.S. based support?**
A: 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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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-09-21*