Meet the Schumacher SBT-1 Wireless Battery Tester — the professional-grade diagnostic tool built for the technically minded shop owner or service technician. With effortless Bluetooth pairing, you can run battery and system tests directly from a smartphone or tablet, eliminating messy cables and speeding up diagnosis in the shop or on the road.

Why this tools stands out

• Wireless testing with the SchuLink app. Seamlessly connect your device and view results in real time, making complex diagnostics feel simple.
• Broad voltage and system coverage. Compatible with 6- and 12-volt automotive batteries and 12- and 24-volt charging and starting systems, plus specialized tests for EV batteries, start-stop systems, and more.
• Clear, at-a-glance diagnostics. Three LED indicators provide quick fault or health signals so you can act fast.
• Multilingual, data-rich results. The SchuLink app displays results in eight languages, with detailed data beyond a simple pass/fail.
• Portable, on-the-go testing. A compact 3.7V rechargeable lithium‑ion battery powers the tester, so you can diagnose issues anywhere.

What you can test and how it helps

The SBT-1 performs battery tests, system tests, start-stop tests, and EV battery tests — all through a single, portable device. This breadth means you can quickly verify battery health, confirm charging and starting system performance, and pinpoint where to focus maintenance or replacement efforts. You can even email or text test results to customers or colleagues and keep a tidy record with space to store thousands of tests over time.

Real-world use scenarios

• Pre-purchase or diagnostic checks for vehicles with dual 6V/12V batteries and 12V/24V powertrains, ensuring you’re not caught without data on the job.
• Quick EV battery health checks as part of routine maintenance or when customers report odd startup or range issues.
• On-site vehicle maintenance where bringing a laptop is impractical — just pair, test, and share results instantly from the app.
• Record-keeping and reporting for a busy shop: capture results, store up to 2,000 tests, and send professional reports to customers or service teams.

Technical highlights that matter in the shop

• Voltage range and test scope: 6V/12V batteries and 12V/24V charging and starting systems, with an ability to test batteries as low as 1.5V.
• Connectivity and language support: Bluetooth pairing with the SchuLink app, available in eight languages for global teams.
• Data and sharing: Email or text test results directly from the app and store up to 2,000 test records for reference and compliance.
• Physical and power specs: 20-inch test lead with durable, color-coded clamps for secure connections; built-in 3.7V rechargeable lithium‑ion battery for portability.

Why choose Schumacher and the SBT-1 for your workshop