Description
The Einstein™ 1500 FLEX Headlamp by NEBO is a low-profile, compact 1500 lumen headlamp with 5 light modes featuring flex power. Use the included rechargeable battery or 2 x CR123A batteries.
5 LIGHT MODES
• Turbo (1500 lumens): 30 seconds / 64 meters
• High (750 lumens): 2 hours / 35 meters
• Medium (250 lumens): 6 hours / 25 meters
• Low (10 lumens): 18 hours / 8 meters
• Red COB (5 lumens): 12 hours / 1 meters
*Runtime is reduced by about 20% when using 2 x CR123A batteries
DESIGN
• Compact and lightweight
• Durable ABS plastic
• Smart Power Control (SPC)
• Water resistant (IPX4)
• Flex Power
• Direct-to-Red
OPERATION
• Top-positioned buttons for power and mode selection
ACCESSORIES
• Li-ion 18650 rechargeable battery
• One size fits all head strap
• USB charging cable
BATTERIES
• Powered by 1x Li-ion 18650 2200mAh 3.7v or 2xCR123A batteries
SPECS
• Weight: 450 grams
• (L) 12.7㎝ X (W) 5.08㎝ X (H) 7.62㎝

PRODUCT MANUAL
EINSTEIN™ 1500 FLEX

The EINSTEIN 1500 FLEX Headlamp features Flex-Power, high-power 1500 lumen Turbo Mode, 4 additional light modes, Direct-to-Red and a two-way adjustable head strap.
LIGHT MODES
MODES | LUMENS | HOURS | METERS |
TURBO | 1500 | 30 SEC | 64 |
HIGH | 750 | 2 | 35 |
MED | 250 | 6 | 25 |
LOW | 10 | 18 | 8 |
RED | 5 | 12 | 1 |
OPERATION
A top-positioned button controls the power and light modes.

DIRECT TO RED
While OFF, press and hold button to activate Direct-to-Red. The next button press (within 8 seconds) cycles through the light modes in reverse (RED • LOW • MEDIUM • HIGH • OFF).TURBO MODE
While ON, press and hold button to activate TURBO MODE.CHARGING
Unscrew the battery cap cover. With the USB cable connected to power, plug the USB-C end into the positive ( + ) end of the battery. Charging indicator glows red when charging; green when fully charged.
ADJUSTABLE HEADSTRAP
Simple, convenient adjustability for any size.

