October 28, 2015


The Project Sub-Ohm® Project Square™ Plus is the natural progression of the Project Square™ family, with the integration of one of the most trusted brands in the market, the YiHi SX330 V3S chip that has a range of up to 150W of output. The Project Square™ Plus maintains the ergonomic form factor of the Project Square™ 50W while tripling top output, all while offered at an incredible price point. Following the heritage of Project Sub-Ohm® Box Mods, the Project Square™ Plus features a striking black and red colorway with a distinct stainless steel accent ring around the firing button. Now featuring a matte black finish, the Project Square™ Plus has the color neutrality and pairing to match with a wider variety of tanks and tips. Engraved with the Project Sub-Ohm® logo on one face, and engraved the Project Square™ S opposite, these elements contribute to an overall more visually appealing and color compatible look than its predecessors. The bottom access battery ports create an unbroken face and finish creating a continued and beautiful look.

Manufactured utilizing high grade aluminum, then matte coated for a sleek and beautiful look, each Project Square™ Plus integrates a 24K Gold Plated Brass Floating 510 with Stainless Steel threading to ensure durability and conductivity. The 22mm width allows for a flush fit with many of today’s most popular atomizers, giving it an edge that many similarly capable box mods do not have. Each battery tube is compartmentalized, with the interior milled out of non conductive acrylic with a 24K Gold Plated Brass floating positive contact. The negative threaded caps are machined out of Stainless Steel, and feature deep coin slotted grooves with 6 vent holes.

Utilizing a custom flashed YiHi SX330 V3S 150W chipset, Project Square™ Plus triples the power of the original, featuring 10 to 150W of power, with a minimum atomizer resistance of 0.1 ohms. This increase in power dramatically increases compatibility with the existing and current Sub-Ohm Tank market, easily powering the Uwell Crown Sub-Ohm Tank, while offering perfect compatibility with the Project Sub-Ohm® SilverPlay™ V2 and the Project Sub-Ohm® SilverPlay™ Nano. The evolution of one of Project Sub-Ohm®’s greatest hits, the Project Square™ Plus 150W Box Mod asserts itself as a heavyweight in price and performance in it’s market segment.

Product Features:

  • High Grade Aluminum Construction
  • Ergonomic Design
  • Custom Flashed YiHi SX330 V3S 150W Chipset
    • 10 to 150W Output
    • 0.1 to 3.0 Ohm Atomizer Resistance Range
    • 0.69″ OLED Screen
    • 95% Efficiency
    • One of the Most Trusted Names in Output Chipboards Today
    • Quadrant Based Screen
  • Project Sub-Ohm™ Introduction Greeting
  • Matte Black Finish
    • Smooth and Sleek Look
  • Red Anodized Accents and Trim
  • 24K Gold Plated Positive Battery Contacts
  • Stainless Steel Coin Slotted Caps
    • 6 Vent Hole Design
  • 24K Gold Plated Brass 510
    • Floating Pin
    • Stainless Steel 510 Threadpoint
  • 22mm Width
  • Compartmentalized Non Conductive Battery Walls
  • Utilizes Two 18650 High Amp Batteries in Series (Sold Separately)
    • Insert Batteries to Match Battery Cap. (Positive Side of Battery towards the Slotted Cap Side Marked with the “+” Sign)
  • Iconic Project Sub-Ohm® Logo
  • Project Square™ S Plus Logo
  • 100% Solely Designed, Engineered, and Developed in the USA by Project Sub-Ohm®!




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