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CONTENTS:

HOW TO CHARGE BATTERY

USER MANUAL

Thank you for choosing a Serfas E-LUME series light! We know you

will be happy with the performance and value you are getting in this

product. This manual is intended to help get you started on your

journey down that well lit path. Please read this manual completely

and use the recommended care precautions before using this

product. If you have any further questions regarding this product

please go to our website at www.serfas.com or

call us at 1-623-888-5841.       

SPECIFICATIONS

CONTENTS INCLUDED

LIGHT OPERATION

• E-LUME Tail light
• USB cable
• Rubber Mounting bracket
• Manual

Low beam

High beam

High Flash

Low Flash

Day Flash

(Double Blast)

Hold for 1 Second to Turn Off

Double Click

HIGH PERFORMANCE LED

USB RECHARGEABLE

WATER RESISTANT IPX4

270 DEGREE VISIBILITY

EASY MOUNTING

LOW BATTERY INDICATOR

Power Button:

Low Battery Indicator - Blue

Power Button:

Charging Indicator

* Flashing Blue - Charging

* Solid Blue - Charged

WARNING:

 Batteries can only be charged using a USB adapter

with a 5v output or USB port on a computer. Only charge batteries 

in a dry environment.  Light has smart charging technology which 

ensures longer battery life and will not over charge.

* Charge times depend on light model being charged due to internal

   components inside light.

* When the indicator turns flashing blue, it means the battery is

  below 20%.

1. Carefully open rubber dust cover on bottom side of light,

    exposing the USB port.

2. Insert micro USB cord into light USB port.

3. Charge indicator will start flashing blue within seconds.

Light will automatically stop charging when full charge is achieved

and indicator light will turn solid blue.  Remove battery from charger

and reinsert rubber pull tab into USB port to keep out water and dirt.

You can expect 300-500 charging cycles from this

rechargeable battery.

Runtimes are affected above 110

º ambient temperature or

below 35º ambient temperature. We suggest that you run in the

medium or low power modes to extend run time.

Always store battery with a full charge. If being stored for more

than a month, recharge monthly. 

E-LUME 

HOW TO MOUNT THE TAIL LIGHT

Wrap rubber bracket to outer most of of the light.  Wrap around 

seatpost or seat stay, connect to outer most fin on opposite side

of the light.  

The packaging includes back pieces that correspond to round,

square, or aero style posts. 

Outer Fin

Rubber Strap

Post

1. Press and hold the power button for 1 second to switch on or off.

  (With mode memory, the light will resume previous mode upon

  next usage.)

2 Double click the power button to toggle between the steady and

  flashing modes.

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