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Princeton Tec cares about the environment and
recommends recycling batteries. For more information
about battery recycling, please go to:
www.batteryrecycling.com
Observe proper battery polarity when installing the
batteries. Improper installation of the batteries will
damage the light and void the warranty.

• Never mix fresh and used batteries.
• Never mix different battery brands or chemistry types.
• Always remove drained batteries immediately.
• Remove batteries during long periods of storage.
NOTE: Lithium batteries offer extended constant 
brightness time, extreme cold weather performance, 
and are lighter weight. Rechargeable NiCad or NiMH 
batteries may result in reduced brightness due to lower 
nominal voltage. 
The Tactical Eos battery compartment has a waterproof 
seal. It is important to keep this seal free from dirt and 
away from harsh chemicals in order to preserve 
waterproof integrity. Inspect the seal every time 
batteries are changed. If dirt is present, wipe gently with 
a damp cotton swab and mild soap until dirt is 
removed. 
NOTE: Some battery types can emit hydrogen gas, 
which can create an explosion potential in sealed 
devices if it is not vented or removed. The Eos is 
equipped with a platinum catalyst to remove this gas. 
Upon severe impact, the catalyst could fracture. If you 
notice a rattling sound in the headlamp or gray particles 
in the battery compartment, do not use the headlamp. 
See the warranty and return policy for more information.

If the Tactical Eos fails to light: 
• Check the batteries for proper installation.
• Replace batteries if proper installation is confirmed.
• Check circuit board for water (the seal may have
been compromised by improper rear cover installation). 
The light will resume normal operation once the water 
is shaken or blown out and the light is left open until 
completely dry. If the light has been contaminated with 
salt water, flush the unit with fresh water and dry 
asdescribed above. 

Modes (High, medium, low, and flash) are selected by 
pressing and releasing the button within 1.5 seconds of 
the previous button press. 
There are two ways to turn the Tactical Eos off. You can 
cycle through the modes until you reach off or if more 
than two seconds has passed since the previous button 
press the next press of the button will turn the light off.

Due to International regulations, Princeton Tec's lifetime 
warranty can only be offered to customers in the USA. 
Princeton Tec offers a 10-year warranty to our 
customers outside the USA.  FULL WARRANTY - 
Princeton Tec warrants this product to be free from 
defects in workmanship and materials under normal 
use for as long as you own this product. This warranty 
covers all of the component parts of the product 
except batteries. This warranty does not cover 
deterioration due to normal wear or damage due to 
misuse, alteration, negligence, accidents, or 
unauthorized repair. Princeton Tec will repair or replace 
parts which are defective In workmanship or materials. 
Your authorized Princeton Tec Dealer and Princeton Tec 
are the only facilities authorized to repair the product. 
After (3) unsuccessful attempts to repair the product, 
you have the right to elect replacement of the product 
or a refund of the purchase price less allowance for use 
of the product. NO INCIDENTAL OR CONSEQUENTIAL 
DAMAGES ARE INCLUDED IN THIS WARRANTY. 
(Some states do not allow the exclusion or limitation of 
incidental or consequential damages, so the above 
limitations or exclusions may not apply to you.) This 
warranty gives you specific legal rights, and you may 
also have other rights which vary from state to state

Princeton Tec reserves the right to change product 
specifications without notice.

Circuitry and Power Consumption / Regulated Leds 

USA Lifetime Warranty - International 10-Year Warranty

See Regulated LED diagram
The Eos uses a sophisticated current-regulating circuit
that maintains initial brightness as long as the batteries
have sufficient voltage.

If your light fails to operate, follow these simple steps:
1) Check batteries. Replace if necessary.
2) Contact Princeton Tec customer service at 
800-257-9080 to request an RMA number to send 
your light in for repair or  replacement. No warranty 
repairs will be accepted without an RMA number. 
3) Return the light without batteries to: 

Princeton 

Tec, 5198 Rt. 130, Bordentown, NJ 08505. Postage 
due and freight collect items will not be accepted.

Princeton Tec

PO Box 8057,

Trenton, NJ 08650

Phone: 609-298-9331

Fax: 609-298-9601

www.princetontec.com

© 2013 Princeton Tec

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TACTICAL EOS

®

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