Bosch Professional 18V System cordless LED construction site floodlight GLI 18V-1900 (up to 1,900 lumens)
Product description
If you regularly work where there’s no reliable power supply, a cordless site floodlight can be a proper quality-of-life upgrade. The Bosch Professional 18V System GLI 18V-1900 is designed to throw out up to 1,900 lumens from a powerful LED, with practical controls and positioning for getting light exactly where you need it.
It’s not a complete kit on its own (battery and charger are not included), so whether it’s worth it depends a lot on what you already own within the Bosch Professional 18V ecosystem.
What it is and what it’s for
The GLI 18V-1900 is a cordless LED construction site floodlight intended for illuminating work areas. On paper, it’s aimed at day-long tasks where you need consistent visibility—think outdoor or indoor jobsites, workshops when circuits are limited, or any situation where bringing mains power is inconvenient.

A small but important detail for real work: it’s set up around multiple brightness levels and a flexible head that can be angled. That matters because “bright enough” isn’t always “best”, especially when you’re working for hours or trying to avoid washing out your view.
The essentials in everyday use
You get two brightness settings and five flexible adjustment angles, plus a 5/8" tripod thread. In practical terms, that gives you options: you can tilt the light down for close-up tasks, or aim it to cover a broader area when you’re laying out materials or working across a wider footprint.


For a micro example: if you’re assembling a fence panel near a workbench, you’d typically angle the floodlight to bounce light onto the work surface rather than blasting the floor and background. If you’re then moving outside to check alignment across the run, you’d switch brightness and adjust the angle again—no need to hunt for a new light position each time.

What stands out (and where it may fall short)
The headline spec here is brightness: up to 1,900 lumens from a powerful LED. For many construction-lighting needs, that’s the sort of output that helps you see what you’re doing rather than just “getting by”.
However, it’s worth keeping expectations grounded. Because it’s provided without a battery and charger, the real-world runtime and convenience will depend on which battery you pair it with. If you already own a compatible 18V battery, that’s less of a concern. If not, you’ll likely need to factor in additional cost.
Also, while the tripod thread gives you extra flexibility for stable positioning, it doesn’t tell you whether you’ll find a perfect mounting setup straight away—so it’s sensible to check your existing tripod or stand situation.

Tech specs (quick reality check)
- Name: GLI 18V-1900
- Type: Cordless construction site floodlight with LED
- Format: Floodlight
- Brightness: up to 1,900 lumens
- Brightness settings: 2
- Adjustment angles: 5
- Thread: 5/8" tripod thread


Compatibility & requirements
This model sits in the Bosch Professional 18V System, and the batteries/chargers are fully compatible with that system. It also states compatibility with many other tools via the AMPShare battery partnership.

Included in the box is the GLI 18V-1900 cordless construction site floodlight itself. The AMPShare note is helpful for buyers trying to avoid locking themselves into one brand ecosystem, but you still need to make sure you have (or plan to buy) a compatible 18V battery and charger before you can use it.
Who it suits, and who should think twice
It’s a good fit if you want a cordless LED floodlight for site-style illumination, particularly if you like the control of two brightness levels and the ability to aim the light using multiple angles.
It makes sense if you’re already working with Bosch Professional 18V batteries (or compatible AMPShare batteries), because you won’t be starting from scratch.

It may not suit you if you only need occasional short lighting bursts and don’t already have an 18V battery system to lean on—because buying separate power could make it feel like overkill. And if you’re expecting a one-light-does-everything setup without checking positioning, the reliance on angle adjustment and tripod threading means it helps to think about mounting and placement upfront.


Is it worth it?
Worth considering if you’re set up for 18V cordless work and want a reasonably bright, adjustable LED floodlight for jobsite conditions. The 1,900-lumen output, two brightness settings, and five adjustment angles are the sort of combination that actually helps during day-to-day tasks.
It’s not the best choice if you need a fully ready-to-use light straight out of the box. Since the battery and charger are not included, you should only buy it if you’re confident you’ll pair it with an appropriate compatible 18V battery and charger (or you already own one).

Mini FAQ
Does it come with a battery and charger? No—the listing specifies without battery/charger.
How bright is it? It’s rated up to 1,900 lumens.
Can you adjust the direction of the light? Yes, it offers five flexible adjustment angles.
Is there a way to mount it on a tripod? It includes a 5/8" tripod thread.
Is it compatible with Bosch Professional 18V batteries? The listing says it’s fully compatible with the Bosch Professional 18V System and many other tools via the AMPShare partnership.
Products with discounts that might interest you
- LETOUR Magnetic Work Light Bar 4000 Lumens
- Flow fire White Cable Trunking 4m
- Trongle LED Rechargeable Work Lights 30W
- Powarobor DCB184 18V 5.5Ah replacement battery
- Einhell 18V 3.0Ah Plus battery
- NATPOW LED Work Light compatible with DeWalt 18V battery (2-mode flood light, USB & Type-C) – cordless worksite lamp (No battery)
- T-SUN cordless LED work light 60W
- UGREEN 2.5 Inch Hard Drive Enclosure 6TB
- shinfly 15mm x 9mm cable trunking kit 0.4m (6-pack)
- MUDEELA Cable Trunking Kit 3.2 m
- Powarobor M12 6.0Ah replacement battery
- 2X 18V 5000mAh Ni-MH replacement battery
- 2M White Self-Adhesive Mini Cable Trunking Kit (Self-Adhesive Wall Cable Channel Cover, No Tools Needed)
- 2x 18V replacement batteries for DeWalt 18V (DCB182/184/200 series and more)
- Milwaukee Rapid Charger Replacement M-12/M-18
- Delamu Electric Cable Trunking 4M
- Replacement 2x 5.0Ah 18V Batteries with 4A Charger

