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Press release #Power Tools
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The brightest worldwide with 18 volts and connectivity: New cordless Bosch floodlight for professionals

Long runtime to properly illuminate construction sites

  • Powerful: Luminous flux of 10,000 lumen
  • Robust: Metal body with shock-absorbing rubber frame and safety bars
  • Convenient: Connectivity function for control via app
Manuel Roj

Manuel Roj

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The GLI 18V-10000 C Professional from Bosch is worldwide the brightest cordless floodlight with 18 volts and connectivity. Its LED, with a luminous flux of 10,000 lumen, is about five times brighter than the most powerful Bosch floodlight up to now, the GLI 18V-2200 C Professional. The brightness level surpasses that of a common 500 watts halogen floodlight and efficiently lights up even large work areas, rooms or halls. A further advantage is the long runtime: At a medium brightness level, the floodlight with the high-performance battery ProCore18V 12.0 Ah provides light for around six hours. At maximum brightness, it effortlessly bridges particularly dark morning or evening hours. Furthermore, the floodlight is very robust: A shock-absorbing frame surrounds the metal housing with integrated cooling ribs. In addition, safety bars protect the LED element against damage.

Fingertip control ‒ Connectivity function for more ease of use

Tradespeople can connect the cordless floodlight with their smartphone via Bluetooth and use the app for convenient remote control: Switching on and off, dimming, coupling with several floodlights from the Connectivity program from Bosch, activating timers, checking the charging state of the battery, controlling access via PIN code – all this can be done at a fingertip. Bosch continuously expands its Connectivity system for professionals.

Versatile and flexible usage

Thanks to its three brightness levels, the GLI 18V-10000 C Professional can be adapted to the respective lighting conditions – the selected level is always displayed. Tradespeople have the remaining battery runtime always in sight thanks to a five-stage charging display. The 5/8” thread ensures high flexibility in every work situation: The floodlight is thus simply screwed onto a tripod ‒ for example, the BT 300 HD Professional from Bosch ‒ and can be positioned wherever you like.

If less brightness is sufficient, tradespeople can rely on the GLI 18V-4000 C Professional. It offers the same advantages as the GLI 18V-10000 C Professional with regard to robustness and connectivity, and lights up work areas with up to 4,000 lumen. 

Fully compatible with the existing 18 volt range

GLI 18V-10000 C Professional and GLI 18V-4000 C Professional are operated by powerful 18-volt lithium-ion batteries. Regardless of which battery you use, the Bosch Professional 18-volt system guarantees compatibility with new and existing power tools and chargers in this voltage class. The longest runtime is provided by the high-performance battery ProCore18V with 12.0 Ah. 

The cordless floodlights GLI 18V-10000 C Professional and GLI 18V-4000 C Professional are available from January 2020 onwards. The prices are the recommended retail prices excluding VAT. 

SpecificationsGLI 18V-10000 C ProfessionalGLI 18V-4000 C Professional
Battery voltage18 V18 V
Luminous flux 10,000 lm4,000 lm
Luminous flux level3 (10,000/5,000/1,000 lm)3 (4,000/2,000/1,000 lm)
Operating time at maximum/medium/lowest brightness level with ProCore18V 12.0 Ah battery2.5/6/24 h6/14/24 h
Connectivity functionYesYes
Dimensions 
(length x width x height)
291 x 216 x 305 mm230 x 185 x 239 mm
Weight without battery3.9 kg2 kg
Scope of delivery/recom-
mended retail price excluding VAT
Solo tool in carton 
(without battery): 299 €
Solo tool in carton 
(without battery): 219 €

Subject to change.

The Robert Bosch Power Tools GmbH, a division of the Bosch Group, is one of the world’s leading providers for power tools, garden tools, power tool accessories and measuring tools. In 2024, its 18,700 associates generated sales* of 5.1 billion euros, about 90 percent of which outside of Germany. With brands such as Bosch and Dremel, the division stands for customer focus and great engineering progress. The core success factors are innovative strength and pace of innovation. In 2025, Bosch Power Tools will again launch more than 100 new products onto the market in its four business segments power tools, outdoor and garden tools, accessories and measuring tools.

Due to a change in the allocation of sales within the Bosch Group, certain revenues from Bosch Power Tools will be accounted for differently in the future. As a result, sales in this division appear to have fallen significantly compared to the previous year, although there was no actual change in economic performance in this regard.

The Bosch Group is a leading global supplier of technology and services. It employs roughly 417,900 associates worldwide (as of December 31, 2024). According to preliminary figures, the company generated sales of 90.5 billion euros in 2024. Its operations are divided into four business sectors: Mobility, Industrial Technology, Consumer Goods, and Energy and Building Technology. With its business activities, the company aims to use technology to help shape universal trends such as automation, electrification, digitalization, connectivity, and an orientation to sustainability. In this context, Bosch’s broad diversification across regions and industries strengthens its innovativeness and robustness. Bosch uses its proven expertise in sensor technology, software, and services to offer customers cross-domain solutions from a single source. It also applies its expertise in connectivity and artificial intelligence in order to develop and manufacture user-friendly, sustainable products. With technology that is “Invented for life,” Bosch wants to help improve quality of life and conserve natural resources. The Bosch Group comprises Robert Bosch GmbH and its roughly 470 subsidiary and regional companies in over 60 countries. Including sales and service partners, Bosch’s global manufacturing, engineering, and sales network covers nearly every country in the world. Bosch’s innovative strength is key to the company’s further development. At 136 locations across the globe, Bosch employs some 86,900 associates in research and development, of which nearly 48,000 are software engineers.

Additional information is available online at www.bosch.com, www.iot.bosch.com, www.bosch-press.com.

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