L4 SL550 Rechargeable LED Work Light
Instruction Manual
L4 SL550 Rechargeable LED Work Light






TECHNICAL DATA
L4 SL550
| Type | 4,5 W |
| Rated power output | 4 V |
| Battery voltage | 5 V DC, 0,1 A – 2,1 A |
| USB input | 120 min |
| Charging time (3.0 A) | Battery-Lamp |
| Luminous flux (3.0 A) High Low Spot Mode high Spot Mode low | 550 lm 250 lm 250 lm 100 lm |
| Lighting time (3.0 A) High Low Spot Mode high Spot Mode low | 2,0 h 4,5 h 2,0 h 5,0 h |
| Colour rendering index (CRI) | > 80 |
| Colour temperature | 4000 K |
| Protection class | IP 52 |
| Weight | 0,33 kg |
| Weight with battery | 0,38 kg |
| Recommended ambient operating temperature | -18 °C … +50 °C |
| Recommended ambient charging temperature | +5 °C … +40 °C |
| Recommended battery types | L4B… |
WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.
Save all warnings and instructions for future reference.
SAFETY INSTRUCTIONS BATTERY-LAMP
Warning: Do not direct the light beam at persons or animals and do not stare into the light beam yourself (not even from a distance). Staring into the light beam may result in serious injury or vision loss.
Ensure that the luminaire does not cause harm if its magnet fails to keep it is position.
SAFETY INSTRUCTIONS BATTERY
Only use Milwaukee Type L4B… rechargeable batteries.
Battery acid may leak from damaged batteries under extreme load or extreme temperatures. In case of contact with battery acid wash it off immediately with soap and water. In case of eye contact rinse thoroughly for at least 10 minutes and immediately seek medical attention.
Warning! To reduce the risk of fire, personal injury, and product damage due to a short circuit, never immerse your tool, battery pack or charger in fluid or allow a fluid to flow inside them.
Corrosive or conductive fluids, such as seawater, certain industrial chemicals, and bleach or bleach containing products, etc., can cause a short circuit.
SPECIFIED CONDITIONS OF USE
The battery lamp can be used as lighting independently of a mains power supply.
Do not use this product in any other way as stated for normal use.
CHARGING
- Plug the USB cable into a power source such as an AC wall adaptor, computer, or car port.
- To expose the USB port, lift the USB cover.
NOTE: Always close the USB cover when light is not charging to maintain dust and moisture protection. - Insert the USB-C plug into the USB-C port.
- The indicator light ring around the power button will display the charging status:
Red pulsing: charging, 0-49% charged
Yellow pulsing: charging, 50-99% charged
Green solid: 100% charged
Red/green flashing: too cold, wet, faulty, or no battery
Red solid: over temperature (too hot)
If the indicator light ring flashes red and green, check that the battery is fully seated into the bay. Remove the battery and reinsert.
If the light of the battery lamp starts to dim and the indicator light ring illuminates solid red, the tool may be too hot.
The solid red indicator light ring will stay on until the tool has cooled. Once the tool is within the acceptable range, normal charging and operation will take place.
If problems persist, contact a MILWAUKEE service facility.
FUEL GAUGE
The indicator light ring around the power button will display the battery life:
Red flashing: < 3% remaining
Red solid: 3-10% remaining
Yellow solid: 11-49% remaining
Green solid: 50-100% remaining
NOTES FOR LI-ION BATTERIES
Use of Li-Ion batteries
Batteries which have not been used for some time should be recharged before use.
Temperatures in excess of 50°C (122°F) reduce the performance of the battery. Avoid extended exposure to heat or sunshine (risk of overheating).
The contacts of chargers and batteries must be kept clean.
For an optimum life-time, the batteries have to be fully charged, after used.
To obtain the longest possible battery life remove the battery pack from the charger once it is fully charged.
For battery storage longer than 30 days:
Store the battery where the temperature is below 27°C and away from moisture
Store the battery in a 30% – 50% charged condition Every six months of storage, charge the battery as normal.
Transport of Li-Ion batteries
Lithium-ion batteries are subject to the Dangerous Goods Legislation requirements.
Transportation of those batteries has to be done in accordance with local, national and international provisions and regulations.
- The user can transport the batteries by road without further requirements.
- Commercial transport of Lithium-Ion batteries by third parties is subject to Dangerous Goods regulations. Transport preparation and transport are exclusively to be carried out by appropriately trained persons and the process has to be accompanied by corresponding experts.
When transporting batteries:
- Ensure that battery contact terminals are protected and insulated to prevent short circuit.
- Ensure that battery pack is secured against movement within packaging.
- Do not transport batteries that are cracked or leak.
Check with forwarding company for further advice
MAINTENANCE
The light source of this luminaire is not replaceable; when the light source reaches its end of life the whole luminaire shall be replaced.
Use only Milwaukee accessories and Milwaukee spare parts.
Should components need to be replaced which have not been described, please contact one of our Milwaukee service agents (see our list of guarantee/service addresses).
If needed, an exploded view of the tool can be ordered. Please state the machine type printed as well as the six-digit No. on the label and order the drawing at your local service agents or directly at: Techtronic Industries GmbH, Max-Edyth-Strafe 10, 71364 Winnenden, Germany.
SYMBOLS
| Please read the instructions carefully before starting the machine. | |
![]() | CAUTION! WARNING! DANGER!) |
| Do not stare at the operating light source.) | |
| USB Port | |
| Class III electrical protection. | |
| This tool is only suitable for indoor use. Never expose tool to rain. | |
| Do not dispose electric tools, batteries/rechargeable batteries together with household waste material. Electric tools and batteries that have reached the end of their life must be collected separately and returned to an environmentally compatible recycling facility. Check with your local authority or retailer for recycling advice and collection point. | |
![]() | European Conformity Mark |
![]() | UK Conformity Mark |
| Ukraine Conformity Mark | |
| Ear Asian Conformity Mark |
Copyright 2022
Techtronic Industries GmbH Max-Eyth-Str. 10
71364 Winnenden
Germany +49 (0) 7195-12-0
www.milwaukeetool.eu
Techtronic Industries (UK) Ltd
Parkway Marlow SL7 1YL
UK (01.22) 4931 4706 32


















