Battery Testers: Quick Answers, Anytime
Don’t let a dead battery catch you off guard. leagend’s digital battery testers are compact, accurate, and simple to use — making it easy to check the health of your 12V or 24V battery in seconds.With clear readings on:
- Voltage and State of Charge (SOC)
- Cold Cranking Amps (CCA)
- Battery health status
- Cranking and charging performance
You can instantly decide whether your battery needs charging, replacing, or just monitoring. It’s smart, preventative car care that fits in your glovebox.
Battery Monitors: Real-Time Status, Right in Your Pocket
leagend’s Bluetooth and 4G battery monitors keep you constantly connected to your car battery’s condition — whether you're driving or parked. By pairing with a mobile app, you can remotely track voltage, charging cycles, and receive real-time alerts if the battery status changes. Ideal for:
- Long-term vehicle storage
- Electric or start-stop vehicles
- Road trip readiness
- Fleet and RV monitoring
You’ll always know if your vehicle is ready to go — or needs attention — without ever opening the hood.
OBD II Diagnostic Tools: Know What Your Car is Telling You
When your check engine light turns on, don’t panic. leagend’s OBD II diagnostic tools make it easy to understand what’s wrong — and how to fix it. Just plug into your car’s OBD port to:
- Read and clear engine fault codes
- Reset the check engine light
- View live engine data and freeze frames
- Access vehicle info like VIN, I/M readiness, and more
Perfect for both beginners and car enthusiasts, leagend scanners help you avoid unnecessary trips to the repair shop and take control of your vehicle’s diagnostics.
8-Step Smart Battery Chargers: Restore, Maintain, Protect
A battery charger should do more than just add power — it should protect your battery. leagend’s 8-step intelligent battery chargers are engineered to safely charge and extend the life of lead-acid and lithium batteries.Key features include:
- Automatic desulfation for aging batteries
- Multi-stage charging for optimal performance
- Maintenance/trickle mode for long-term storage
- Compatibility with AGM, GEL, SLA, and LiFePO
Batteries Whether you're reviving a dead battery or maintaining a seasonal vehicle, leagend chargers keep your power system in top condition.
Thermal Imagers: See What Headlights Can't
leagend’s automotive thermal imagers are your extra pair of eyes in the dark — enhancing safety by detecting hidden driving hazards such as animals, pedestrians, and obstacles that are difficult to see at night or in fog, rain, and snow. These devices are especially valuable for:
- Nighttime driving in rural or wooded areas
- Navigating in low-visibility conditions
- Detecting heat signatures beyond headlight range
- Identifying potential road hazards early
Mounted on the vehicle and displaying thermal images in real time, these tools help drivers react faster and make safer decisions on the road. It’s like upgrading your vision — for every drive.
Here's why leagend has earned the loyalty of over 10 million users worldwide:
Professional-Grade Accuracy
in tools designed for consumers
Wide Product Range
covering diagnostics, charging, monitoring, and safety
Smart Connectivity
with Bluetooth, mobile apps, and wireless sync
Easy to Use
— no mechanical background needed
Reliable Quality
backed by two decades of R&D and global certifications
Drive Safer.
Drive with leagend.
At leagend, we believe car care should be accessible, intelligent, and empowering. Whether you're prepping for a road trip, diagnosing an issue, or just staying ahead of potential problems, our products give you the tools to feel in control.
From your battery to your engine — and everything in between — leagend helps you stay safe, informed, and ready for the road.