Wismec Reuleaux RX300 300W Quad 18650 TC Box Mod $16.99 (USA)

Wismec Reuleaux RX300 Box Mod
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Wismec Reuleaux RX300

Check out these deals for the Wismec Reuleaux RX300 Box ModThe device features a whopping 300 watts of output, a new menu, and accurate temperature control, and is powered by quad 18650 batteries. Update: The RX300 has been discontinued.  Check out other high-powered Wismec mods below

Leather & Carbon Fiber Editions

With the RX300, Wismec is bringing a new mod to their RX series.  The box mod has a new form factor and is larger than the RX200, RX200S, and RX2/3 to allow an additional battery.

Two versions are available: the first is made from what looks to be the same zinc alloy as previous RX devices, and the second features a premium and more expensive carbon fiber finish. Both varieties are available in black or silver, and there are also changeable leather stickers to alter the mod’s look according to your preference.


The top of the RX300 has a stainless steel threaded 510 connection with a spring-loaded center pin to accept most atomizers easily.  With the Jaybo logo, the fire button looks the same.

The device is built with the familiar 0.96″ OLED, but the vertical-oriented menu has been rearranged.  On the display, you’ll see the mod’s statistics that include current mode, wattage, temperature, voltage, amperage, and battery level of each of the four cells. Unlike preceding mods, current wattage or temperature is displayed within a half-circle, giving the menu an amazing look. At the bottom of the menu are individual battery level indicator bars that monitor voltage levels for each inserted cell.

Quad 18650 Battery Support For Long Vape Times

The mod utilizes four 18650 high-rate batteries to ensure it can effectively provide up to 300 watts for long periods.  The battery bay is now accessed on the bottom and utilizes a hinge-style door with a lock switch.  The cells easily slide in, resulting in a much more convenient installation. The device also features onboard charging, so you can plug it into any USB wall/computer via the micro USB port on the control face.  While previous RX devices had problems with balanced charging and ensuring cells reached optimum voltage, Wismec is said to have fixed these issues with the Reuleaux RX300.  Of course, it is always advisable to charge batteries externally.  The mod can be used as a power bank for charging your mobile phone in emergencies.  To do so, screw the included reverse charging adapter into the 510 bezel and connect it via a USB port to your smartphone.

Massive Output At 300 Watts

From a technical perspective, the RX300 looks identical to other RX mods but has a higher power output.  The mod’s wattage ranges from 1 watt to 300 watts and is capable of low resistance down to 0.05ohm.  Temperature mode is possible from 100 to 300 Celsius with all coil heads, including stainless steel, nickel, and titanium.  Although it is not listed in the specifications, the RX300 is sure to have a TCR mode so that it can be vaped with any number of coil types with precise output.

Firmware Upgrades & Safety

Firmware is also upgradable if a new operating system is released with new features, such as higher power output or a new menu.  And the device seems to have a wide range of safety features, including reverse polarity protection, overheat protection, low/high resistance protection, low voltage protection, and anti-reverse circuit protection.

What’s In The Box

In addition to the mod, you’ll also get a USB cable, a manual, a warning card, an authenticity card, and a warning card.

Video Reviews

Features & Specs

  • Zinc alloy construction
  • Carbon fiber version is available
  • Colors: black, grey
  • Changeable stickers
  • 0.96″ OLED with a new vertical menu
  • 510 threaded connection
  • Spring-loaded center pin
  • Powered by four 18650 batteries
  • Battery bar indicators for each cell
  • Micro USB charging
  • Micro USB upgrade capable
  • Use as a power bank for mobile phone emergencies
  • Output  modes: VW / TC x 3 / TCR
  • Variable temperature supports Ni, Ti & SS
  • Power range: 1W to 300W
  • Temperature range: 200°F-600°F or 100°C to 300°C
  • Power mode resistance: 0.1Ω to 3.5Ω
  • Temperature control resistance:  0.05Ω to 1.0Ω
  • Multiple safety protections
  • USB Cable included
  • Changeable sticker included
  • User’s manual
  • Warning Card
  • Authenticity sticker
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