High-Precision 48V 300A DC Constant Current Battery Discharge Tester

Rugged Industrial-Grade Build
Crafted with heavy-duty aluminum alloy housing and advanced thermal management for prolonged high-load operation. Precision shunt resistors ensure ±0.5% current accuracy.
Multi-Battery Compatibility
Designed for lead-acid, Li-ion, and gel batteries (12V-48V). Features adjustable current (10A-300A) and voltage thresholds for customized testing.
Smart Safety Protections
Auto-cutoff for over-voltage, reverse polarity, and overheating. Integrated cooling fan with noise-dampened design (<45dB).
Data-Driven Analysis
Real-time LCD displays voltage, current, and capacity metrics. Supports USB data export for performance logging.
Ideal for Professionals
Essential for battery manufacturers, solar energy systems, EV maintenance, and telecom backup power validation.
Wholesale Advantage
Direct factory pricing with bulk discounts. Worldwide shipping with certified quality assurance.