LAUNCH USA - ELP400 - EV Battery Pack Module Charging and Discharging Device - VEHICLE BATTERY CHARGERS

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ELP400 has built-in various test and maintenance modes, which are suitable for the discharge, charging, cycle charging and discharging tests of various lithium batteries on the market. Adopting an intelligent operating system and supports wireless data transmission, it helps to maintain and manage the battery pack, thus extending its service life.


The Launch EV ELP400 is a professional battery charging and discharging device based on the latest technology. It is optimized for the specific characteristics of lead-acid and lithium-iron batteries and offers a range of test and maintenance functions. These are suitable for a wide range of applications, including discharge, charge, and cyclic charge and discharge tests suitable for various lead-acid and lithium-iron batteries available on the market.





Diversified setting possibilities

It allows you to set the total charge time, constant voltage time, charge capacity and charge current. This allows you to vary the charge current.

High-quality materials

High-quality original aeronautical materials, combined with modern and advanced control technology, are used to ensure smooth operation.

Operating rules

Free charge and discharge rules can be set, as well as activation times, to ensure and improve battery capacity.

Alarm conditions

Set various alarm conditions for abnormal voltage, current and temperature to allow early intervention to ensure the safety of the for early intervention and ensure the safety of the battery and the unit.

Highest/lowest voltage detection

It supports the acquisition of high/low voltage, temperature and other data from a single battery string.

The data is displayed on the screen in the form of a bar graph, a report and a graph that can be zoomed in/out locally for easy viewing.

Safety functions

The ELP400 has various protection functions such as overvoltage, undervoltage, overcurrent, short circuit, reverse polarity and overtemperature protection, overvoltage, undercurrent, output short circuit, reverse polarity and overtemperature protection, all of which contribute to the safety of the operator.




  • The 7-inch LCD touch screen and the intuitive menu simplified the operation
  • Portable, easy to carry and transport
  • Applied to all common lithium battery packs testing with various voltage levels.
  • Equalizing maintenance test mode can activate the lithium battery performance completely.
  • Support intelligent equalizing function, and equalizing maintenance parameter customization.
  • Adopt wave width modulation technology, high efficiency, high power factor, low noise, low electromagnetic interference.
  • Support the safety protection functions such as overvoltage, undervoltage, overcurrent, output short circuit, anti-reverse protection and overheating protection.
  • Multiple discharge auto-stop conditions make testing mode more intelligent and flexible, and avoid over-charge and over-discharge.
  • Customized setting the total charging time, constant voltage time, charging capacity, and charging current.


  • Power Input: AC 90~265V
  • Data Communication: CAN RS485
  • Data Dump: U disk
  • Data Storage: 16G
  • Module Data Acquisition Communication: Harness sampling
  • Group Voltage Accuracy: ≤±0.5%FS+0.3V, resolution: 0.001V
  • Cell Voltage Accuracy: ≤±0.1%FS+5Mv, resolution: 0.001V
  • Current Measurement Accuracy: ≤±0.1%FS+0.2A, Resolution: 0.001V
  • Charging / Discharging Voltage Range: ≤±0.1%FS+0.2A
  • Charging Current Range: 0~100A, maximum power 4.4kw
  • Discharging Current Range: 0~100A,maximum power 7.2kw
  • Charging Control: Constant current charging + constant voltage charging
  • Discharging Mode: Constant current discharging
  • Charging and Discharging Data Acquisition: In-camera active measurement + external can communication data acquisition
  • Radiation Method: Forced air cooling
  • Temperature: Working temperature range: 5~40°C; Storage temperature: -20~70°C
  • Humidity: Relative humidity 0~90% (40±2°C)
  • Elevation: Rated altitude 2000m