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Sigelei GW 257w 20700 TC Box Mod Free Delivery

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Unlike most other high-wattage devices, the Sigelei GW 257W Mod can be powered by 20700, 21700 or standard 18650 vape batteries (not supplied). A set of 18650 battery adaptors are included in the package. Along with 270 Watt firing capability, this chunky mod also comes with unique, ‘Great Wall’ themed battery tubes and a sophisticated, colour OLED screen. With enough space for a 29mm tank, this eye-catching mod will fire an astonishing range of high-power atomizers!

If you’re wondering why Sigelei have called this mod the ‘GW’, the secret is in the battery tube engraving. Each of the tubes on the sides of the GW 275W mod features fortifications found along the Great Wall of China. With a choice of dual batteries providing up to 38 Amps of current, the GW mod is a force to be reckoned with on the high-power vaping market.

The GW mod is equipped with a large, vertical OLED screen. The screen uses a minimal colour pallet to display the most important vape parameters in eye-catching shades. Along with the atomizer resistance, current and voltage, the screen also displays a single battery level icon, a puff counter and vape timer. The GW’s many modes are displayed in a long, vertical menu. Apart from the default Power mode, this mod gives you temperature control (TC) functions for Nickel, Titanium and two types of Stainless Steel coil wire. TCR functions are also easily accessible.

GW functions for advanced vapers include adjustable wattage and pre-heat settings for TC coil wires. Sigelei have designed the GW mod to fire atomizer coils with resistances ranging from 0.05 to 3.0 Ohms. The 510 tank plate is located in the middle of the mod. This means that tanks, RDA’s and RTA’s up to 29mm in diameter can be fitted without overhanging.

This chunky, ultra high-power mod can be ordered with a Gunmetal, Black, Silver or Yellow Zinc alloy casing.

Note: This advanced Vape Mod doesn’t come with a 18650 battery, vape tank or e liquid. Visit our Accessories pages, or click the links previous to order required items. We also have a superb range of dripper-friendly e juices in our E Liquids pages

1 x Sigelei GW Mod
1 x USB Battery Charging Cable
2 x 18650 Battery Adaptor Sleeves
1 x GW Mod Manual & Warranty Information

Sigelei GW 275W TC/VW Mod Features:
Size: 93mm tall, 57mm long, 36mm wide
Will take tanks up to 29mm without overhang
Tank connection: Sprung 510 connector
Case metal: Zinc alloy
Style: High power ‘Great Wall’ themed mod with long colour OLED screen
VW/TC operating modes: Power, TC (SS316, SS317, Ni200, Ti1)
Advanced TC modes: TCR, adjustable wattage & power curve
Batteries: Takes 2 x 20700, 21700 or 18650 batteries (please order separately)
Access battery bay through mod base
USB charging cable included
Great Wall pressings on dual battery tubes
Built-in USB charging capability
Large, vertically oriented OLED screen (small colour palette)
Single battery level icon
Puff counter and vape timer
Front mounted Fire & adjuster buttons
Lock mode
Power output: 10 to 275 Watts
Compatible coil resistances: 0.05 to 3.0 Ohms
Voltage output: 1.0 to 7.5 Volts
Maximum output current: 38 Amps
Auto atomizer short circuit protection
Comes with all usual protection features
Nice looking mod with a unique design
Central 510 placement ideal for big tanks
A versatile mod for all vaping styles
4 Case finishes: Black, Gunmetal, Silver, or Yellow

GW Mod Compatibility:
The GW mod is the ideal power pack for mid to high-power tanks, drippers and RBA’s. Atomizers up to about 29mm in diameter can be fitted without overhang. Please check your equipment specifications to make sure that connected tanks are fully compatible.

For warranty information see our terms & conditions page.


We only ship orders to UK and operate a Same Day Dispatch (99% of the time, sometimes delays may occur) on all orders placed before 4pm on working days (Monday to Friday excluding weekends & Bank Holidays). Any orders placed after 4pm cut off on weekdays (Monday to Friday) or over weekends, will be dispatched the next WORKING day. We do not dispatch goods over weekends or bank holidays and do not offer delivery on Bank Holidays.

When you place an order, we will estimate a delivery date for you based on the shipping method you have chosen. This is an estimation only and is not guaranteed delivery date. All orders are shipped in discreet packaging.

You may return most new unopened items (excluding e liquids) within 14 days of delivery for a full refund excluding our postage costs we have incurred. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect item etc.). If the item is reported as defective, we will check item for issue/fault before deeming it faulty.

You should expect to receive your refund within 7 working days of the return arriving with us and being deemed faulty, however, in many cases you will receive a refund more quickly. This time period includes the product testing and the time it takes your bank to process our refund request (3 to 5 working days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

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