Table of Contents

Overview of Battery Discharge Tester

HF-BT-409 Battery Discharge Tester is designed for verifying discharge tests, capacity measurement and daily maintenance of battery packs. It monitors real-time parameters including battery voltage, discharge current, discharge duration and discharged capacity.

It supports activation discharge, pre-charging discharge and maintenance discharge of various storage batteries, and can evaluate energy storage performance and load capacity. Featuring easy operation and safe discharging, it is an ideal solution for battery testing and maintenance in communication base stations, substations, rail transit, hydropower stations, UPS rooms and other scenarios.

Features

Feature Name	Description
7-inch High-Definition Touch Screen	Adopts a 7-inch HD touch screen with 1024×800 resolution. The multi-layer composite thin-film resistive touch panel features strong anti-interference performance, resisting electromagnetic interference and transient pulse interference from power stations, battery rooms and high-frequency chargers. The backlit display ensures clear data viewing under all environmental conditions.
Multiple Safety Protection Functions	Equipped with overcurrent protection, short-circuit protection, over-temperature protection, reverse polarity protection and other protective functions.
Multiple Alarm Functions	Real-time alarms and discharge shutdown will be triggered upon abnormalities including overvoltage, undervoltage, out-of-range current and fan faults, protecting the instrument and related test equipment from damage.
Intelligent Operation Design	Fitted with quick connection sockets for easy wiring. The system automatically records test data and performs intelligent analysis throughout the whole test without manual intervention.
Parallel Operation Function	Multiple units can be operated in parallel to meet discharge current requirements above 300A.
Rapid Capacity Verification Function	The residual capacity of storage batteries can be estimated via a 3–5 minute rapid discharge test.
Polymer PTC Resistors	Adopts polymer positive temperature coefficient resistors with low power consumption and strong anti-surge capability. It avoids overheating red-hot phenomenon, delivers high safety factor and supports overcurrent self-protection.
Main Control Board with ARM CPU	The main control board uses a high-performance ARM CPU manufactured by STMicroelectronics. It features stable performance, high frequency and rich functions. A dual-CPU redundant design is adopted during discharge. The primary CPU processes commands, while the secondary CPU handles alarm monitoring and process control. In emergencies, both CPUs lock output simultaneously. If one CPU fails in command operation, the other can cut off output to ensure test safety and reliability.
Presettable Discharge Parameters	Built-in multiple common discharge templates for parameter configuration of different batteries. Template data can be retained after power failure. Tests can start immediately after power-on without repeated parameter setting to simplify operation.
Professional Analysis Software	Simultaneously displays voltage & current curves, single-cell battery bar charts and data tables. It can automatically generate reports in Excel/Word formats, support printing and output complete test data reports.

FAQ – Battery Discharge Tester

Q1: What is a Battery Discharge Tester?

A: It is professional test equipment for lead-acid battery packs. It carries out verification discharge tests and capacity testing, monitors voltage, current, time and discharge capacity in real time to evaluate battery actual performance for daily maintenance.

Q2: What main functions can this tester realize?

A: It supports battery activation discharge, maintenance discharge and discharge test before initial charging. It inspects battery energy storage performance and load capacity, and records all test data automatically.

Q3: Where is the Battery Discharge Tester widely used?

A: It is ideal for battery testing and maintenance in communication base stations, substations, rail transit, hydropower stations, data centers and UPS computer rooms.

Q4: Which batteries can the tester work with?

A: It is mainly applicable to various lead-acid battery packs including VRLA, AGM and flooded batteries. Customization is required for lithium battery testing.

Q5: What parameters can be monitored during discharge?

A: Real-time monitoring of battery voltage, discharge current, discharge duration and accumulated discharge capacity.

Q6: Does the machine need personnel to watch the whole test process?

A: No. It can run automatically. It will stop discharging once reaching the preset cut-off condition to avoid over-discharging and damaging batteries.

Q7: Can test data be exported for report making?

A: Yes. Supporting analysis software displays curves and data tables. You can export data into Excel/Word files and print formal test reports.

Q8: What safety protection functions are available?

A: Built-in over-temperature, over-current, short-circuit and low voltage cutoff protection. It triggers alarms and automatically stops testing when abnormal conditions occur.

Q9: Is the equipment suitable for long continuous discharge testing?

A: Yes. It adopts reliable load components with strong heat dissipation design to meet standard capacity discharge tests.

Q10: Can you customize voltage and current specifications?

A: Yes. We accept customized voltage range, discharge current and English operation interface according to project requirements.

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HF-BT-409 Battery Discharge Tester