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48V Battery Charging & Discharging Tester

HDGC3985 multi-purpose intelligent battery charging and discharging tester use to perform battery constant current discharge, intelligent charging and activation, which can reduce enterprise cost and maintenance personnel labor intensity. It is ideal solution for regular battery pack testing and backward battery re-life and providing scientific testing methods for batter and UPS power maintenance. There are wide range of application market areas as telecommunication, base station, electric power etc. The working modes can defined according to real demands as deep discharging and then charging,which makes battery pack keeping the satisfaction state at any time to extend service life. It is definitely a good assistant for battery maintenance.
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Description

The Battery Charging and Discharging Tester is a specialized device that both charges and discharges lead-acid battery banks under controlled conditions, enabling accurate capacity evaluation and battery maintenance. It supports multi-stage charging (constant-current, constant-voltage, float/trickle) as well as controlled discharge tests, with real-time monitoring of voltage, current, and time. This tester logs data for analysis and provides safety protections (over-current, over-temperature, etc.) to ensure reliable operation. It is ideal for industrial UPS systems, telecom battery rooms, substations, and EV battery recycling scenarios where both charging and discharge testing are required.

Parameters

DC 48V Battery Charging& Discharging Tester
Discharge voltage range 10-60V
Discharge current 0～100A 0～100A 0～150A 0～200A 0～300A
Charging voltage range 2-60V
Charging current 1～50A 1～100A 1～100A 1～200A 1～300A
Instrument Functionality
Display 7-inch LCD touch screen with 1024 x 800 resolution
Voltage measurement accuracy ±0.5%FS+0.1V
Current measurement accuracy ±1%FS+0.1A
Discharge current display accuracy 0.1A
Cell voltage display accuracy 0.01V
Cell voltage monitoring function Communicat distance up to 100 m or more,Compatible with 2V/4V/6V/12V single battery voltage monitor.

Each monitor module can monitor 12 cells at the same time,the high limit can monitor 300 batteries.
Data storage Internal 32G TF storage, external 16G micro-USB card reader
Data communication RS485、USB
Working mode Activation, constant-current, constant-voltage, float-charge
Protection performance (LCD display reminder + buzzer alarm)
Host protection function Over-temperature, over-current, current runaway trigger shutdown protection
Reverse connection protection Reverse polarity audible and visual alarms
Abnormal protection Power line drop, mains cable drop
Over temperature protection Built-in temperature sensing probe, temperature over 75°C, the device automatically stops discharging
emergency stop External open circuit breaker for emergency shutdown protection
Working environment
Cooling mode Forced air cooling
Temperature Operating temperature : -5～50℃, Storage temperature : -40～70℃.
Humidity Relative humidity : 0～90%(40±2℃)
Altitude Available below 4000m
Power supply
Voltage Supply voltage: AC 220V (-20%～+30%), frequency: 45～65Hz.

Charging input: AC220V (-20%~+30%)
Withstand voltage Input-shell: 2200Vdc 1min / Input-output: 2200Vdc 1min / Output-shell: 700Vdc 1min
Safety Satisfies EN 610950

 

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  • Whatsapp:+89 15555555555
  • E-mail: info@6666.com
  • Add: Guangdong province, China

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Applications

  • UPS & Data Centers: Validate backup battery runtime by running controlled discharge tests on 48V/110V UPS battery banks.
  • Telecom Base Stations: Maintain telecom batteries with activation charging and capacity checks to avoid communication outages.
  • Power Substations: Test substation DC battery systems for capacity and health, ensuring reliable protection systems.
  • Rail Transit: Perform charge/discharge tests on train signal and backup batteries to maintain transportation safety.
  • Battery Manufacturing & Maintenance: Quality-control test new batteries and perform regenerative maintenance on old batteries.

HDGC3985 Battery Charger Discharger

Advantages

Multi-stage Charge/Discharge Modes

Supports constant-current (CC), constant-voltage (CV), and float/trickle charging, plus controlled discharge testing. (Working modes: constant current, constant voltage, and trickle three-stage)

Activation Charging

High-current activation charge mode to restore sulfated batteries.

Data Logging & Reporting

Records charging/discharging curves, with built-in storage (16 Gbit) and export via RS485/USB.

Real-time Monitoring

7-inch LCD displays voltage, current, capacity, and battery status during tests.

Comprehensive Safety Protections

Includes over-current, over-temperature (auto-shutdown at ≥75°C), reverse-polarity alarm, and external emergency stop.

Detail Display

Equipped with professional analysis software
simultaneously display data table as voltage,current curves, single cell histogram etc., and automatically generate report in EXCEL/WORD to print.
Powerful storage space
with internal 16G for 1000 groups discharging data and external 16G USB data reader
Discharging termination set via multi conditions
discharging capacity to limit, discharging time to limit, cell voltage threshold, module voltage threshold. It will automatically stop discharging when any one of testing conditions are reached.
Charging termination set via multi conditions
charging capacity to limit, charging time to limit, cell voltage high limit, module voltage high limit. It will automatically stop charging when any one of testing conditions are reached.
With activation and repair function
active substances for negative electrode vulcanization to reduce the capacity decline and improve battery life.
Self-calibration function
for high measurement accuracy
Curve Viewing Function
data files view in graphs and waveform format.

FAQs

What batteries can this tester handle?
It works with common lead-acid battery banks (e.g. 48V, 110V, 220V systems) and can be adapted to various voltage ranges.
You can set stop conditions by capacity (Ah), time, or end-of-discharge voltage. The unit auto-stops when any condition is met.
With an optional cell-monitoring module, individual battery cell voltages can be displayed and logged. (This is typically used in multi-cell systems.)
Test data (voltage, current, time) is stored internally (16 Gbit) and can be exported via RS485 or USB for report generation.
For full battery diagnostics, it’s common to use this tester alongside a battery capacity tester or battery analyzer to cross-check results.
We offer standard 1-year warranty and lifetime technical support. OEM/custom versions are also available.
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