
12V-72V Lithium Ion and Lead Acid Battery Pack Auto Discharger 20A
Product Introduction
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HZFD-200 Battery Load Bank Discharge Tester
CE Certificate






Introduction
The DC load bank is a specialized instrument designed for testing Ni-Cd and lead-acid storage battery strings in communication facilities. It supports whole-string voltage testing for 24 V, 48 V, 110 V, and 220 V battery banks, as well as individual cell voltage testing for 1.2 V, 2 V, 6 V, and 12 V cells.
Utilizing advanced testing technology, the instrument incorporates breakthroughs in new techniques, components, materials, and processes. It is designed in accordance with national testing and maintenance regulations, making it a specialized tool for stationary battery performance evaluation.
With high discharge power, compact size, light weight, and comprehensive PC-based data management software, the battery load bank significantly reduces the workload associated with daily testing and maintenance of stationary batteries.

Applicable battery | Lead-acid battery | |
Output voltage | 110V | 220V |
Output current | 0-180A | 0-90A |
Operating mode | Used independently or with a constant-current module | |
Protection performance | Input terminal overvoltage protection, prompts on the LCD; | |
Single battery voltage acquisition | The 433RF wireless module supports a communication distance longer than 100 m and monitoring for single battery voltages of 2V, 4V, 6V and 12V. If the total voltage is not beyond the set value, each battery pack will have an unlimited single battery quantity and can monitor one to sixteen RF wireless monitoring modules at the same time. One RF wireless monitoring module can monitor 12 single batteries at the same time. | |
Control accuracy | Discharge current: ≤±1%; battery pack's terminal voltage: ≤ ±0.1%; single battery voltage: ≤±0.05% | |
Communication with the host PC | RS485 interface | |
Data storage capacity | 2Gbit FLASH | |
Operating conditions | ||
Cooling | Forced air cooling | |
Temperature | Operating temperature: -5~50℃; storage temperature: -40~70℃ | |
Humidity | Relative humidity: 0~90% (40±2℃) | |
altitude | Rated altitude: 4,000 m | |
Noise | ﹤60dB | |
Operating power supply | ||
Voltage | Single-phase three-wire system: 220V AC (–20%~+30%); frequency: 45~65Hz; | |
Withstand voltage test | Input--casing: 2200Vdc 1min | |
Wiring | ||
AC output | Male socket in line with the applicable national standard, applicable to 1~1.5mm2 cable | |
DC output | 25mm2 cable quick plug (red: positive; black: negative) | |
After-sales Service
Within one year from the date of purchase, any quality issues caused by the company will be covered by free maintenance. Lifelong maintenance and technical support are also provided.
If any abnormality or malfunction is detected during use, please contact the company promptly. We will arrange the most convenient solution and provide the fastest on-site service to address your needs.



With high-quality products and advanced technical equipment, our company has become a bright star in the 12V-72V Lithium Ion and Lead Acid Battery Pack Auto Discharger 20A industry. We adhere to the people-oriented, caring staff, and actively promote the strategy of talent development. With the continuous strengthening of economic globalization, our company constantly improves our competitiveness and expands our competitive advantage by means of merger to seize the international market.
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