Multifunctional Lithium Battery Charge Discharge Testing and Balance Maintenance Machine DT50W-20 is designed to perform a wide range of tests and operations on various types of lithium, NiMH, and NiCD batteries. These include capacity testing, charge-discharge characteristic analysis, capacity grading and matching, balance maintenance, internal resistance measurement, as well as data analysis and comparison. The device ensures physical compatibility with common battery types such as 18650, 26650, 32650, and 33140 cylindrical cells, as well as pouch and prismatic cells. Its isolation detection design enables the DT50W-20 to individually charge and discharge cells within a battery pack, ensuring uniformity while identifying defective cells without the need for disassembly. Additionally, it can restore unbalanced battery packs to their normal balanced state through precise balancing charge-discharge operations.

The device features a modular design, enabling parallel testing with a maximum current capacity of 200A.

The device is widely utilized in battery production facilities, battery recycling plants, research laboratories focusing on battery development or new energy vehicle batteries testing and maintenance.

MODEL NO. DT50W-20

DT50W-160 is composed of the single DT50W-20, a number of DT50W-160 can constitute a testing group to match the needs of mass testing.

Model No. DT50W-160

Max. Single Channel Output: 5V 10A  |  Max. Parallel Output: 5V 200A

It is applicable to a wide range of lithium battery chemistries, including LFP, NMC/NCA, LMO, LCO, and LTO, as well as Ni-MH and Ni-Cd batteries. Additionally, it is physically compatible with cylindrical, pouch, and prismatic batteries.

Multiple work steps can be invoked to satisfy diverse and specific testing requirements, thereby enhancing the functionality and versatility of the testing process.

• Each channel is equipped with a dedicated processor to ensure a perfect level of capacity calculation, timing, voltage and current control.
• All channel is under isolated test, it can directly test the cells of battery pack.
• Independent heat source channel, temperature control and speed regulation fan.
• The LED light indicates the running status, testing status, matching status, alarm status.
• Fully compatibility with the batteries of Li-ion, Polymer, Ni-MH, NiCd, and so on.
• Fully compatible installation with 18650, 26650, 32650, 33140, pouch, and prismatic batteries.
• The height of the probe is adjustable, ruler scale for easy leveling.
• Online test between computer and device, the setting and result is particular and plentiful.
• With the work steps of Constant Current Discharge, Constant Power Discharge, Constant Resistance Discharge, Constant Current Charge, Constant Voltage Charge, Constant Current & Voltage Charge, Internal Resistance Test and Idle, etc.
• Work step automatically switching.
• The charge and discharge parameter can be customized.
• The matching can be processed, the test results can be matched according to the customized standard, and it can mark and display on the device.
• The recording function of the test process.
• With 4 Y-axis (voltage, current, capacity, temperature) and a time axis curve drawing ability, and data report function.
• The color of the test status bar is customized, which makes it easy to check the test status of all devices when the number of tests is large.
• The system supports parallel testing with a maximum parallel current of up to 160A. This enables the device to be utilized for battery testing across various capacities.
• Power failure protection function, the testing before the power failure can be continued after the power failure is restored, and the data before the power failure will be retained.

Isolated Channel Design

Each channel is equipped with an independent and efficient processor that performs precise control and accurate calculations for its respective channel, thereby enhancing testing efficiency and ensuring data accuracy.

Modular Design & Simplified Maintenance

Modular design enables each channel to operate independently, and the number of channels can be customized according to specific requirements. After-sales maintenance is simplified and convenient, as repairs can be completed by simply replacing the faulty module.

Parallel Channel Testing

The device is capable of supporting parallel channel testing, with up to 20 parallel channels and a maximum parallel output current of 200A. This feature ensures the efficient and rapid testing of high-capacity batteries, thereby meeting the demands for enhanced performance and speed in battery evaluation and maintenance processes.

Autobalance - One-click Automatic Balancing

It is capable of rapidly equalizing batteries with voltage discrepancies, accurately testing the capacity of parallel cells within a battery pack, and precisely identifying the location of defective cells.

Remarks: Additional battery connection fixtures need to be purchased separately. Additionally, customized options such as row connectors and BMS adapter plates are available.

Upper Computer Connection Diagram

Software Interfaces

We provide a 12-month warranty, lifelong after-sale service, and free technical support.

In addition to providing instructions and operation videos, we support users in over 100 countries globally. Our team delivers support via multiple channels, including email, telephone, video conferencing, and remote connections. We possess extensive expertise in delivering high-quality service, ensuring users utilize the equipment proficiently.

Free replacement parts are provided during the warranty period. For sample orders, in the event of product failure, replacement parts are dispatched via express delivery (DHL, UPS, TNT, FEDEX, etc.). For bulk orders, complimentary spare parts are included in the shipment.

We guide the user to replace faulty parts via maintenance manuals, phone, email, or video. The modular design makes installation and replacement highly convenient. After the warranty period, replacement parts are charged, carrying a half-year warranty for the same issue.

• Damage caused by operations not following the provided manuals
• Instruments disassembled or repaired by non-authorized personnel
• Unexpected factors or man-made damage (e.g. water inflowing, mechanical damage, falling, burning)