iCharger & ToolkitRC Recommended Firmware Guide

iCharger & ToolkitRC Recommended Firmware Guide

Hey RC Discharger family! Before you plug in and start cycling your packs, there is one small but critical step to ensure your setup is dialed in for the podium.

To get the most out of your Regenerative Discharger and avoid any technical glitches, your charger needs to be running the right software. Taking 30 seconds to verify your firmware version now ensures everything works in perfect harmony when you’re in the pits!

Quick Check: How to find your version

You don’t even have to dig through menus! Just watch your charger screen the moment you power it up—the firmware version will flash on the display for a few seconds during the boot sequence.

Recommended Firmware Versions

To ensure seamless performance, we recommend the following versions:

  • v2.18 for: iCharger 308DUO, 406DUO, 4010DUO
  • v2.13 for: iCharger S6, X6, X8, X12
  • v1.17 for: iCharger DX6, DX8, DX12, 456DUO, 458DUO, 4512DUO
  • v3.11 for: ToolkitRC M8D

No Windows Computer? No Problem!

Updating an iCharger usually requires a Windows PC, which can be a hassle if you’re a Mac user or at the track without a laptop. We have the solution:

The iCharger Firmware Update Micro SD Card. We can ship you a pre-loaded Micro SD card with the latest firmware so you can update your charger directly—no computer required!

Get the SD Card or download the files here: iCharger Firmware Update Micro SD Card | RC Discharger

Keep your gear updated, your discharge rates precise, and your packs ready for the main event!

iCharger Firmware Update Guide | The Stability Rule

iCharger Firmware Update Guide | The Stability Rule

In the high-stakes world of competitive RC racing, reliability is your most valuable asset. A quick word of advice from the RC Discharger team regarding your iCharger (and all your essential pit electronics): If it ain’t broke, don’t fix it!

While it’s tempting to always have the “latest and greatest,” firmware updates in the RC world can be a double-edged sword.

The “Golden Rule” of Firmware

If your charger is running flawlessly and meeting every one of your needs on race day, don’t feel pressured to upgrade.

  • The Reward: Often just minor UI tweaks or niche features you might never use.
  • The Risk: Unforeseen glitches, compatibility issues with older packs, or the nightmare scenario—bricking your unit in the middle of a big event.

Our Professional Recommendation

Only pull the trigger on an update if:

  1. It explicitly resolves a technical bug you are currently experiencing.
  2. It introduces a critical feature that is essential for your specific racing program.

Stick with the Stability You Have

When you’re at the track, you need to know your gear will perform exactly as it did yesterday. Don’t trade a proven, stable setup for an unknown variable right before the tone drops.

What’s your take? Have you ever had a firmware update save the day, or did it leave you stranded in the pits? Drop your experiences in the comments!

RC Discharger