Yellow Tommy Battery Voltage & Internal Resistance Tester (HRM-10) Digital Battery Tester

Accurate 4-Wire Measurement The FNIRSI HRM-10 delivers precise internal resistance and voltage testing with a 4-wire method. Compact and portable, it’s perfect for professional and personal use. Key Features: Voltage Range: 0 to ±100V (DC) | Resistance Range: 0 to 200? Accuracy: ±0.5%, AC 1kHz test signal frequency. Sorting Mode: Automatically filter batteries based on preset thresholds. Applications: Lithium, lead-acid, alkaline, carbon, mobile, and EV batteries. Rechargeable: Type-C interface (5V/1A). Effortlessly test and sort batteries with the FNIRSI HRM-10 – your go-to tool for accurate and efficient results!