USB Battery Tester – Precision & Power for Every Application

High-Precision Testing
Accurate 120V voltage detection and 100A current measurement with a built-in coulomb counter for reliable battery capacity analysis. Ideal for car batteries, lithium cells, and lead-acid systems.
Robust & Durable Build
Engineered with industrial-grade ABS casing and corrosion-resistant terminals for long-lasting performance in harsh environments.
Multi-Function Display
Clear LCD screen shows real-time voltage, current, power, and energy consumption—perfect for automotive diagnostics, solar setups, and DIY electronics.
User-Friendly Design
Plug-and-play USB-powered operation with auto-ranging capability. Compact and portable for fieldwork, workshops, or home garage use.
Wide Compatibility
Works with 12V/24V automotive batteries, LiFePO4, NiMH, and other rechargeable cells. A must-have for mechanics, engineers, and hobbyists.
Bulk Purchase Advantage
Direct wholesale pricing ensures unbeatable value for large orders—stock up for your team or resale business.