Electric cars are showing up in more workshops every month. And sooner or later, one of them arrives with the same complaint: the range has dropped, the car stops charging early, or the dashboard shows a battery warning. When the battery pack has been opened or a module has been replaced, the cause is often simple. The cells inside the pack are no longer at the same voltage.
That is the problem the LAUNCH EVM324 is built to solve. This guide explains in plain language what it does, how it works, who needs it, and how to choose the right EV battery tool for your workshop.
Quick answer :- The LAUNCH EVM324 is an all-in-one EV battery equalizer and charge-discharge device. It balances the voltage of up to 24 battery cells and can also charge and discharge battery modules, so workshops can repair and maintain EV battery packs. With a compatible LAUNCH X-431 tool, it also supports EV diagnostics.
What is the LAUNCH EVM324?
The EVM324 is a professional battery service device from LAUNCH. In one unit, it can:
- Equalize battery cells, so they all sit at the same voltage level.
- Charge battery modules.
- Discharge battery modules.
- Support EV repair and diagnostics when paired with a compatible X-431 diagnostic tool.
Before, a workshop often needed several separate machines for these jobs. The EVM324 combines them, which saves space and money. You can see it on our LAUNCH EVM 324.
What does an EV battery equalizer actually do?
Think of a battery pack as a team of runners tied together. The whole team can only run as fast as the slowest runner. A battery pack works the same way it is made of many cells connected in a line, and the weakest cell limits the whole pack.
Over time, or after a repair, some cells end up holding more charge than others. When that happens:
- The car shows less driving range than it should.
- Charging stops early because one cell reaches its limit first.
- The battery management system may show warnings.
- One weak cell can drag the whole pack down faster.
An equalizer fixes this. It charges the low cells and discharges the high cells, step by step, until all cells match. That is called cell balancing, and it is why you will also see the EVM324 called an EV battery balancing device.
Key features of the LAUNCH EVM324
- Equalizes up to 24 battery cells at the same time.
- All-in-one: equalizing, charging and discharging in a single device.
- Works with different battery types. Check your battery chemistry with us before you order.
- Safety protections: overcharge protection, over-discharge protection, battery module overtemperature protection, reverse connection protection, and overtemperature protection for the heat dissipation box.
- Wi-Fi and Bluetooth connection for modern workshop use.
- Works with a compatible X-431 tool for EV diagnostics and battery inspection. Note that EV diagnostic functions need the EV Add-On Kit and the right software.
Please confirm exact specifications, such as the input power supply, with our team or the datasheet before you order.
Who needs the LAUNCH EVM324?
The EVM324 is for workshops that do real battery work, not just basic EV servicing. It suits:
- EV battery repair centres that open packs and replace modules.
- EV workshops and dealership service centres that handle high-voltage battery faults.
- Fleet maintenance garages that look after electric cabs and delivery vehicles.
- Training institutes that teach EV maintenance.
- Workshops planning to start EV battery service and want one tool instead of three.
Who may not need it yet? If your workshop only does routine EV servicing, such as tyres, brakes and software checks, and you never open a battery pack, you can start with safety gear and diagnostics first and add the equalizer later.
Common problems the EVM324 helps solve
Problem | How an equalizer helps |
|---|---|
Range has dropped, but the battery is not dead | Brings unbalanced cells back to the same voltage, so the pack uses its full capacity |
New module fitted, now the pack is out of balance | Matches the new module’s voltage to the rest of the pack |
Charging stops early | Fixes the high or low cell that is cutting charging short |
Battery has sat unused for a long time | Brings cells back to a safe, even level |
Too many separate machines taking up space | One device equalizes, charges and discharges |
Slow, guesswork repairs | Shows cell data and helps you work from real numbers |
How an equalizer is used – the basic idea
This is only an overview. Always follow the vehicle maker’s procedure and the LAUNCH manual, and only let trained technicians work on high-voltage systems.
- Make the vehicle and pack safe. Isolate the high-voltage system and wear the right protective gear.
- Connect the equalizer to the battery cells or modules as instructed.
- Read the cell voltages to see which cells are high or low.
- Choose the mode: equalize, charge or discharge.
- Start the process and monitor it. The device protects against overcharge, over-discharge and overheating.
- Check the result and confirm with your diagnostic tool before closing the pack.
Safety first: set up your EV battery corner properly
Working on a high-voltage battery is not like working on a petrol engine. A good EV battery corner has:
- Protective gear: EV PPE kits, insulated gloves and insulated shoes.
- Insulated tools: a set of EV insulated hand tools.
- Fire protection: an EV fire blanket within reach.
- A safe way to remove the pack: the EVBP-1000 EV battery pack lift.
- A scanner: a LAUNCH X-431 diagnostic tool to read faults and confirm repairs.
See the full range of EV battery maintenance equipment.
Other LAUNCH EV battery tools in our range
The EVM324 is one of several LAUNCH EV battery tools. Each does a different job, so choose by what you need to do.
Tool | What it is for |
|---|---|
Another cell equalizer for battery packs | |
A modular wireless equalizer | |
Charging and discharging battery packs and modules | |
Testing the airtightness of the battery pack | |
EV oscilloscope and multimeter | |
Digital power supplies |
Not sure which one fits your workshop? Tell us what battery work you do, and our team will help you choose.
Why buy the LAUNCH EVM324 from Technomatic Industries?
Technomatic Industries is the authorized LAUNCH distributor in India since 2010, and we have supplied Indian workshops since 2003.
- Genuine LAUNCH equipment from an authorized distributor.
- Help choosing the right tool, so you do not pay for features you will not use.
- Dealer and distributor pricing, with nationwide supply.
- Everything for the EV bay in one place: safety gear, battery lift, scanners and battery tools.
Browse all LAUNCH products or read more about us.
Frequently asked questions
What is the LAUNCH EVM324? It is an all-in-one EV battery equalizer and charge-discharge device from LAUNCH. It balances battery cells, charges and discharges battery modules, and supports EV repair and diagnostics.
Is EVM324 the same as EVM 324? Yes. It is the same product, written with or without the space.
How many battery cells can the EVM324 equalize? It supports the equalization of up to 24 battery cells.
Do I need an X-431 scanner to use the EVM324? The EVM324 can be used for equalizing, charging and discharging. For EV diagnostics and battery inspection, you need a compatible X-431 tool with the EV Add-On Kit and the right software.
What safety protections does it have? It has overcharge, over-discharge, module overtemperature, reverse connection and heat dissipation box overtemperature protection.
Is it safe for anyone to use? No. High-voltage battery work should only be done by trained technicians with the right protective gear, following the vehicle maker’s and LAUNCH’s procedures.
Does my workshop need an EV battery equalizer? You need one if you open battery packs, replace modules or fix imbalance problems. If you only do routine EV servicing, safety gear and a scanner come first.
What is the EVM324 price in India? Price depends on the configuration and what is included. Send us an enquiry for a quote.
Do you supply the EVM324 across India? Yes. We work with dealers, distributors and workshops across India. Call +91 9313135555 or send an enquiry through our contact page.
Get the right EV battery tool for your workshop
If EV batteries are becoming part of your business, an equalizer is one of the most useful tools you can own. It helps you fix range and charging problems properly, instead of guessing.
Ready to equip your EV bay? See the LAUNCH EVM 324 battery equalizer, browse our EV equipment, visit Technomatic Industries, or call +91 9313135555 for pricing.