AT528L Handheld Digital Battery Tester – Ultimate Precision for Professionals

Advanced Digital Display
– High-definition LCD screen ensures accurate readings for voltage, resistance, and battery health with rapid response time.
Durable ABS Housing
– Shock-resistant and lightweight construction for rugged fieldwork, lab testing, or industrial maintenance.
Precision Ohmmeter Function
– Measures internal resistance (0.1mΩ resolution) to detect weak batteries in automotive, solar, or backup power systems.
Wide Compatibility
– Tests 1.2V-30V batteries (lead-acid, Li-ion, NiMH) for EVs, motorcycles, UPS devices, and DIY electronics projects.
Auto-Calibration & Low-Power Alert
– Ensures consistent accuracy with automatic zero adjustment and warns of low battery to prevent faulty diagnostics.
Compact & Ergonomic
– Fits in toolkits or pockets with anti-slip grip for one-handed operation during on-site inspections or quick shop checks.
Direct Wholesale Pricing
– Factory-direct stock eliminates middleman costs, offering bulk buyers unbeatable value without compromising quality.