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Digital output control 

Half press to cycle the output from Low, Medium and High. 
At each output level, with a full press to lock it. 
You can change the output by power off and on.   
The power off status over 5 seconds will restore the output status to low output with your 
next start. 

 

Battery Installation 
Unscrew the Head housing and insert new battery with positive ends towards LED assembly. 

Replace bezel and hand tighten. Depress tailcap pushbutton switch to test.   

Note: It would not light if battery is inserted in wrong direction. 

Mechanical polarity protection will protect the circuit from wrong battery insertion. 

 

CAUTION: 

EDC LM 21 flashlights are high-output lighting devices. Due to possible 

eye injury, DO NOT look directly into the reflector when the light is switched on. 
S

afety is your responsibility, too. 

 

External surface temperature will rise during prolonged operation; this is a normal operating 
phenomenon. 
 
Battery Replacement 
If there is significant decrease in brightness of light output you should replace the battery.   
Unscrew the Head housing and remove the old battery. Insert a new battery as mentioned in 
Battery Installation Guide 

 

WARNING: 

Lithium batteries can explode or cause burns if disassembled, shorted, 

recharged, exposed to water, fire, or high temperatures. Do not place loose batteries in a 
pocket, purse or other container containing metal objects or store with hazardous or 
combustible materials. Store in cool, dry, ventilated area. Follow applicable laws and 
regulations for disposal. 
 
Maintenance 
Clean and lubricate threads with a clean cloth and apply thin coat of silicon-based lubricant to 
rubber O-rings. Note: Do not use petroleum-based lubrication on O-rings. After prolonged 
exposure to moisture, the bezel and batteries should be removed, inspected, and dried if 
necessary

WARNING: 

Lumapower reflector is made with high precision process. Do not touch 

or clean the reflecting surface using any cloth which may cause damage to the surface 
material affecting the illuminating performance.

 

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