Every rechargeable gadget in your house is quietly losing capacity. Phones, earbuds and controllers all hold a little less charge each year, and eventually the cell is the part that decides when the device is finished. The HERO 84 HE sidesteps that problem by design. As a cable-powered magnetic keyboard, it has no cell to age, no charge level to watch and no reason to be retired just because a battery gave up.

Quick Answer

The AULA HERO 84 HE is wired only, so it contains no battery. It draws power and sends its 8000Hz reports through the angled cable supplied with it, with 84 magnetic keys in a 75% layout and a 36-LED light box on top. For a keyboard you intend to keep for years, that removes the most common part to wear out. The board is R719 at Evetech.

🔋 Why leaving out the battery matters

Lithium cells lose capacity as they go through charge cycles and as they age, even when handled well. On a device that runs from its battery, that shows up as shorter and shorter sessions between charges, until the device needs a new cell or a replacement.

A board with no cell has none of that. The HERO 84 HE runs from the USB port it is plugged into, so its behaviour in year three is the same as in week one. There is also no charging routine to remember, no low-power warning halfway through a match and nothing to leave plugged in overnight.

🔌 The cable, and why it is L-shaped

The HERO 84 HE's included lead goes from USB-A on the PC side to USB-C on the keyboard. The keyboard end is angled, so the cable turns sideways as soon as it leaves the board. That keeps it lower and tidier on the desk and puts less strain on the socket than a straight plug being bent by a monitor stand or a mouse arm.

Because it is a detachable USB-C cable, it is also the one part you can simply replace if it is ever damaged, rather than repairing the keyboard.

Lag worries

Some people assume a cable is the old-fashioned choice. For report rate it is the reference: the HERO 84 HE sends 8000 reports per second down its lead, one every 0.125 milliseconds, and it reads the full board at 48kHz.

🛠️ Other reasons it can last

A missing battery is one piece of a longer life. The rest comes from parts you can change yourself:

  • Keycaps are hot-swappable, so a worn or shiny set can be replaced with any compatible 84-key 75% set.
  • Individual Black King switches pull out too, so a single tired key needs no soldering iron.
  • Magnetic switches are read by a Hall Effect sensor rather than metal contacts rubbing together, which removes one common wear point.

Its lighting also costs you nothing in runtime. The per-key backlight and the 36-LED light box take their power from the USB port, so you can leave effects on without watching a charge level fall.

The HERO 84 HE is listed in Evetech's gaming keyboards category and carries a 2 Years Local Warranty. Replacement magnetic parts can be compared in keyboard switches; stick to a compatible magnetic family. For pricing, see the Evetech product page.

Frequently Asked Questions

Does the HERO 84 HE need charging at all?

No. It has no battery and runs entirely from the USB port on your computer.

Why is the cable angled at the keyboard end?

The L-shaped plug turns the lead sideways as it leaves the board, keeping it flat and out of the way of other cables.

Does a cable add delay?

Not in any way that matters. The board reports at 8000Hz over its lead.

What happens if the cable gets damaged?

It is a detachable USB-A to USB-C lead, so you can swap it for a sound one instead of repairing the keyboard.

Does heavy lighting shorten its life?

There is no battery to drain, so the light box and per-key RGB simply draw their power from the USB port.

Want a keyboard with nothing to charge? Browse Evetech's gaming keyboard range for the HERO 84 HE and other cable-powered magnetic boards.