--- product_id: 159153844 title: "Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast" brand: "bonlux" price: "€ 0.38" currency: EUR in_stock: true url: https://www.desertcart.sk/products/159153844-bonlux-2d-retrofit-flat-panel-led-light-bulb-gr10q-4 store_origin: SK region: Slovakia --- # 6000K daylight brightness 18W power, ultra-efficient LED Retrofit GR10q 4-pin base, ballast bypass Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast **Brand:** bonlux **Price:** € 0.38 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your lighting game—brighter, smarter, and effortlessly efficient! ## Quick Answers - **What is this?** Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast by bonlux - **How much does it cost?** € 0.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/159153844-bonlux-2d-retrofit-flat-panel-led-light-bulb-gr10q-4) ## Best For - bonlux enthusiasts ## Why This Product - Trusted bonlux brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Wide 180° Beam Angle:** Flood your room with uniform, glare-free illumination that enhances productivity - • **Power-Packed Efficiency:** 18W LED replaces 28W CFL, slashing energy bills by 90% - • **Daylight-Perfect Clarity:** 6000K color temp delivers crisp, natural light for any professional space - • **Superior Heat Management:** Aluminum PCB and isolated driver ensure cool operation and long-lasting performance - • **Seamless Retrofit Upgrade:** Fits GR10q 4-pin fixtures with easy ballast removal—modernize without hassle ## Overview The Bonlux 18W 2D Square LED bulb with GR10q 4-pin base is a high-efficiency retrofit solution designed to replace 28W 2D fluorescent lamps. Featuring a daylight 6000K color temperature and 1800 lumens brightness, it delivers crisp, natural light with a wide 180° beam angle. Its advanced aluminum PCB and isolated driver provide excellent heat dissipation, ensuring durability and safety. Ideal for indoor fixtures like ceiling lamps and wall washers, this bulb requires ballast removal for optimal performance, making it a smart, energy-saving upgrade for modern professional environments. ## Description Full description not available ## Features - 【Technical Features】18W 2D Square 4-Pin GR10q LED Light Bulb, Lamp Shape: 2D, Lamp Base: GR10q 4-pin base, AC 85-265V Input Voltage, 1800lm, 180° Beam Angle, Dimension: 7.48"x7.48" (190mm*190mm). - 【Important Note】Please remove/bypass the ballast from your CFL fixture to prevent flickering or damage to the LED before installing this 2D square 4 pin LED bulb. Note that GR10q bases vary by wattage. Bonlux suggests these 18W LEDs as suitable for upgrading from 28W CFL bulbs. If your existing lamp is f552d/GRY10q-3, its base differs from Bonlux's, so purchase with care. - 【Widely Applications】 GR10q 4-Pin Retrofit LED Light for use in Torchiere Fixtures, Ceiling Fixtures, Pendant Lamps, Wall Washers, Family Rooms, Living Rooms, Kitchens, Dining Rooms, and Porches. - 【Energy Saving】18W 2D GR10q-4 base LED retrofit light repalcement for 28W 2D linear fluorescent light, save about 90% on your electricity bill. - 【Excellent Heat Dissipation】2D LED light bulb with GR10q 4-Pin base has high quality aluminum PCB board and isolated driver, excellent thermal conductivity, good heat dissipation, high safety level, low power consumption, superior energy efficiency. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Bonlux | | Light Type | LED | | Special Feature | Energy Efficient | | Wattage | 18 watts | | Bulb Shape Size | G40 | | Incandescent Equivalent Wattage | 4.5 Watts | | Specific Uses For Product | Lamp | | Light Color | Blue, Red | | Voltage | 120 Volts | | Unit Count | 1 Count | | Color Temperature | 6000 Kelvin | | Number of Items | 1 | | Brightness | 1800 Lumen | | Shape | Arbitrary(A) | | Material | copper | | Model Name | 1114 | | Connectivity Technology | Normal bulb | | Indoor/Outdoor Usage | Indoor | | Controller Type | Push Button | | Power Source | Corded Electric | | Color Rendering Index | 80 | | Beam Angle | 180 Degrees | | Power Consumption | 18 Watts | | Light Source Type | LED | | Item Weight | 0.01 Ounces | | Light Source Wattage | 18 Watts | | Product Dimensions | 7.48"W x 7.48"H | | Accepted voltage frequency | 100 to 240 Volts and 50 Hertz to 60 Hertz | | Bulb Diameter | 7.48 Inches | | Control Method | App | | White Brightness | 1900 Lumens | | Efficiency | 100 lumens per watt | | Manufacturer | Bonlux | | UPC | 780887428189 | | Part Number | 1114-GR10q-CW-US | | Item Weight | 0.01 ounces | | Item model number | 1114-GR10q-CW-US | | Color | Black, Blue, Red, White | | Special Features | Energy Efficient | | Batteries Included? | No | | Batteries Required? | No | | Wattage | 18 Watts | ## Product Details - **Brand:** Bonlux - **Light Type:** LED - **Special Feature:** Energy Efficient - **Wattage:** 18 watts - **Bulb Shape Size:** G40 ## Images ![Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast - Image 1](https://m.media-amazon.com/images/I/51BxFwxlApL.jpg) ![Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast - Image 2](https://m.media-amazon.com/images/I/61wRdBwS8CL.jpg) ![Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast - Image 3](https://m.media-amazon.com/images/I/51p6pV9Wj3L.jpg) ![Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast - Image 4](https://m.media-amazon.com/images/I/51B653LBwhL.jpg) ![Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast - Image 5](https://m.media-amazon.com/images/I/51SaR5-m7qL.jpg) ## Frequently Bought Together - Bonlux 2D Retrofit Flat Panel LED Light Bulb GR10q 4-Pin Base - 18W 2D Square 4-Pin GR10q LED Lamp (28W 2D Linear Fluorescent Light Equivalent), Daylight 6000K, Remove/Bypass The Ballast - PARMIDA 20-Pack 4FT LED T8 Hybrid Type A+B Light Tube, 18W, Plug & Play or Ballast Bypass, Single-Ended OR Double-Ended Connection, 2200lm, Frosted Cover, T8 T10 T12, UL - 5000K --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/159153844-bonlux-2d-retrofit-flat-panel-led-light-bulb-gr10q-4](https://www.desertcart.sk/products/159153844-bonlux-2d-retrofit-flat-panel-led-light-bulb-gr10q-4) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-24*