Wholesale 12V Three-In-One Battery Tester Digital Display Tester

Precision Testing
– Features a high-accuracy digital display for measuring voltage, internal resistance, and capacity of 12V batteries, ensuring reliable diagnostics for automotive, marine, and solar energy systems.
Durable Build
– Crafted with impact-resistant ABS housing and reinforced probes for long-lasting performance in harsh workshop or outdoor environments.
Multi-Function Design
– Tests lead-acid, AGM, and gel batteries with automatic polarity detection, eliminating guesswork during vehicle maintenance or fleet management.
User-Friendly Interface
– Backlit LCD screen with clear readouts and one-touch operation, ideal for quick checks by mechanics, technicians, or DIY enthusiasts.
Compact & Portable
– Lightweight yet sturdy construction fits in toolkits for on-the-go use, perfect for roadside assistance or remote power system monitoring.
Bulk Savings
– Direct-from-factory pricing ensures unbeatable value for auto shops, wholesalers, or renewable energy suppliers stocking essential diagnostic tools.