E-LUME 900 - Bike light Serfas - Free user manual and instructions
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| Product Type | Bike Light |
| Brand | Serfas |
| Model | E-LUME 900 |
| Maximum Brightness | 900 lumens |
| Light Source | LED |
| Power Source | Rechargeable lithium-ion battery |
| Charging Port | USB-C |
| Battery Capacity | Approximately 4,000 mAh |
| Run Time (High Mode) | Up to 2 hours |
| Run Time (Low Mode) | Up to 12 hours |
| Light Modes | High, Medium, Low, Flashing |
| Water Resistance | IPX6 (weather-resistant) |
| Dimensions (Length) | 130 mm |
| Dimensions (Diameter) | 40 mm |
| Weight | 160 g |
| Mounting Type | Handlebar mount (included) |
| Beam Pattern | Wide flood |
| Charging Time | Approximately 4 hours |
| Battery Level Indicator | Yes (LED indicator) |
| Material | Aluminum housing |
| Included Accessories | USB-C cable, handlebar mount |
| Maintenance | Keep clean; do not use abrasive cleaners |
| Safety | Use rechargeable batteries; avoid overcharging |
| Spare Parts Availability | Contact Serfas or authorized dealers |
Frequently Asked Questions - E-LUME 900 Serfas
How bright is the Serfas E-LUME 900?
The E-LUME 900 has a maximum output of 900 lumens, suitable for dark trails and roads.
What is the battery life on high mode?
On high mode, the battery lasts approximately 2 hours. Lower modes extend runtime up to 12 hours.
How do I charge the E-LUME 900?
Use the included USB-C cable to charge the light. Charging time is about 4 hours.
Is the E-LUME 900 waterproof?
It has an IPX6 rating, meaning it is resistant to heavy rain and splashes but not submersible.
What mounting options are available?
The light comes with a handlebar mount that fits standard handlebar diameters (22-32 mm).
Can I use the light while charging?
It is not recommended to use the light while charging; always charge fully before use.
How do I know the battery level?
The light has a built-in LED indicator that shows green (full) to red (low).
What should I do if the light stops working?
Check the battery charge and connections. If the issue persists, contact Serfas customer support.
Can I replace the battery?
The battery is built-in and not user-replaceable. For battery issues, contact Serfas.
How do I clean the E-LUME 900?
Wipe with a damp cloth and mild soap. Avoid abrasive cleaners or solvents.
User questions about E-LUME 900 Serfas
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