Main Specifications Brand: Jadever. Device Type: Battery Load Tester. Cold Cranking Amps (CCA) Measurement Range: 200 to 1000 CCA. Screen/Indicator Type: Color analog meter that easily shows battery status (Good/Weak/Replace). Features: Safe, fast, and accurate: gives an instant result of battery efficiency. Equipped with connection clips (alligator clips) for positive and negative terminals. Top metal handle for easy carrying and portability.