Enhance your battery testing and power supply evaluation with the EBD-A20H Battery Tester, a versatile and precise electronic load device designed for professional and hobbyist use. Crafted from durable aluminum alloy, this compact and lightweight battery tester offers long-lasting wear resistance and portability, making it an essential tool for various battery capacity tests and power supply assessments. Key Features: · Durable Aluminum Alloy Construction: Ensures wear resistance and a long service life, suitable for demanding testing environments. · Large LCD Display: Clearly shows real-time voltage, current, capacity, time, power, energy, and other critical test data for easy monitoring and analysis. · High Discharge Capacity: Supports up to 20A discharge current with a maximum discharge power of 200W, capable of handling a wide range of battery tests. · Four-Wire Detection Technology: Separate wiring for voltage and current channels guarantees highly accurate measurements by minimizing interference. · Multiple Working Modes: Includes DSC-CC (constant current discharge) and DSC-CP (constant power discharge) modes, allowing you to customize testing parameters according to your specific battery or power supply evaluation needs. · Versatile Discharge Modes: Suitable for testing all types of battery capacities and power supplies, delivering comprehensive and reliable results. · Computer Online Control Support: Equipped with a dedicated USB to TTL serial port for advanced features such as curve plotting, calibration benchmarking, firmware upgrades, and cycle discharge control via specialized PC software. Specifications: · Model: EBD-A20H · Material: Aluminum Alloy · Voltage Setting Range: 0.00–30.00V (Minimum step 0.01V) · Current Setting Range: 0.10–20.00A (Minimum step 0.01A, with automatic current limit to prevent overpower) · Discharge Power: Up to 200W maximum · Voltage Test Accuracy:  - Low Voltage Mode (0.000–4.500V): ±0.5% error, resolution 0.003V  - High Voltage Mode (4.50–30.00V): ±0.5% error, resolution 0.01V · Current Test Accuracy: ±0.5% error, resolution 0.01A · Capacity Test Resolution:  - Up to 10Ah: 0.001Ah  - 10Ah to 100Ah: 0.01Ah  - Above 100Ah: 0.1Ah · Connection Mode: Four-wire detection to ensure measurement accuracy · Display: Comprehensive LCD showing voltage, current, capacity, time, power, and energy data · Package Size: 380 x 290 x 150 mm (14.96 x 11.42 x 5.91 in) · Weight: Simple configuration - 1800g (3.97lb), Standard configuration - 2000g (4.41lb) Package Options: Simple Configuration: · 1 x Battery Tester · 1 x Test Lines Standard Configuration (Optional): · 1 x Battery Tester · 1 x Test Lines · 1 x USB to TTL Serial Port Line · 1 x DC 12V 1A Power Supply The EBD-A20H Battery Tester delivers high precision, flexible operation modes, and comprehensive data display, ideal for battery capacity testing, power supply evaluation, and cycle discharge applications. Its computer connectivity and software support enable in-depth analysis and firmware updates, making it a high-performance, user-friendly tool for enhancing your testing accuracy and efficiency.