Professional Automotive Relay Tester – 12V LED Indicator for Battery & Alternator Diagnostics
Precision-engineered with high-grade ABS housing for superior durability and heat resistance, ensuring long-lasting performance in harsh automotive environments. Features bright LED indicators for quick voltage checks, delivering instant diagnostics on charging, cranking, and battery health. Innovative dual-purpose design tests relays, fuses, and circuits effortlessly – perfect for mechanics, DIY enthusiasts, and fleet maintenance. Compatible with 12V systems, it offers plug-and-play simplicity with no external power needed. Ultra-compact and lightweight for portability, backed by corrosion-resistant probes for accurate readings. Ideal for troubleshooting alternators, starters, and parasitic drains in cars, trucks, and motorcycles. Wholesale-ready with bulk pricing – equip your workshop or store with reliable, cost-effective diagnostic tools. Globally sourced for unbeatable value, shipped fast from our all-category warehouse.