About this item

• UPGRADE TO TRUE PRO TESTING - Step up from the trusted FOXWELL BT705 car battery tester to the BT780 with 6V SOH/SOC testing, 12V/24V cranking & charging diagnostics, a built-in printer & custom shop/technician names, and fully independent diagnostics powered by its built-in battery—no reliance on vehicle power for more accurate results.
• PRO‑LEVEL ACCURACY IN ANY WEATHER - With FOXWELL‑grade chips and insulated reverse‑polarity clamps, this battery analyzer delivers up to 99.9% testing accuracy with minimal battery drain, and the ‑20 to 60 °C operating range ensures reliable results in extreme heat or freezing conditions.
• PRINT REPORTS AT NO EXTRA FEE - Print clear, professional test reports in seconds with voltage, CCA, SOC/SOH, and cranking details, and save time and money with the battery tester with printer that includes 3 free rolls of 57×30mm paper and affordable replacements available online.
• CUSTOM REPORTS & MULTI‑USER TRACKING - This automotive battery tester personalizes every test report with shop or technician names and unique battery serial numbers, with support for up to 4 user accounts to keep fleet maintenance, workshop jobs, and warranty records organized and error‑free.
• SELF‑POWERED TESTING FOR SUPERIOR ACCURACY - The battery load tester with internal battery allows you to test stored, deeply discharged, or off‑grid batteries without external power. Plus, it delivers higher diagnostic accuracy, enables review of test history anytime, perfect for roadside rescue, RV and boat service, parking lot checks, and remote field diagnostics.
• COMPREHENSIVE PRO-LEVEL UPGRADE - This battery and alternator tester features a 3.2″ LCD display, 6.5‑ft heavy‑duty leads, rugged clamps, pro tool box and TF card firmware updates, and is supported by FOXWELL’s responsive technical service to give you confidence in every test.
• MULTI‑VEHICLE, MULTI‑BATTERY COVERAGE - Compatible with 100‑2000 CCA Flooded, AGM Flat/Spiral, Gel, EFP, and Start‑Stop AGM batteries, the FOXWELL BT780 car battery tester serves cars, trucks, motorcycles, golf carts, RVs, boats, buses, and heavy machinery, backed by FOXWELL’s 14+ years of diagnostic expertise trusted in 90+ countries.