12V 4-Cell 48V Adjustable Constant Current Battery Load Bank – 300A Max
High-precision adjustable constant current control ensures stable performance for rigorous battery testing. Compact and portable design with industrial-grade aluminum alloy casing for superior heat dissipation and durability. Ideal for automotive battery maintenance, solar storage systems, and industrial power supply diagnostics. Features a bright LCD display for real-time monitoring of voltage, current, and discharge time. Advanced multi-protection system includes overheat, overload, and reverse polarity safeguards. Compatible with 12V-48V lead-acid, lithium-ion, and AGM batteries for versatile applications. Engineered for professional workshops, fleet management, and renewable energy installations. Rugged construction with high-efficiency cooling fans ensures long-term reliability under heavy loads. Global wholesale pricing available—bulk orders welcome for resellers and large-scale operations. Trusted by industry experts for precision, safety, and unmatched affordability.