Battery Equivalents and Replacements

OLIGHT Seeker 3 Pro LED Flashlight

OLIGHT Seeker 3 Pro LED Flashlight is a very powerful, yet relatively compact and lightweight floodlight flashlight with sturdy and durable construction, a high-capacity customized battery, four extra bright LEDs, proximity and thermal sensors, and a few more features more than justifying the price of this flashlight.

OLIGHT Seeker 3 Pro LED Flashlight is a rather versatile flashlight that can be used for various outdoor activities like camping, hiking, or similar, for Search&Rescue, security services, in emergencies, as high-end EDC flashlight, etc.

Published: March 23, 2022.

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OLIGHT Seeker 3 Pro LED Flashlight Features and Specifications

OLIGHT Seeker 3 Pro LED Flashlight features physical dimensions of (Length x Head Diameter x Body Diameter) 5.2 x 1.38 x 1.1 inches (132 x 35 x 28 mm) and it weighs 7.06 ounces (~200g) with the battery included.

The flashlight is very compact and can be carried easily even in a larger pocket.

OLIGHT Seeker 3 Pro is powered by a high-power 5000 mAh 21700 battery ensuring high lumens output via 4 high-power LEDs.

The flashlight features several light modes:

- Level 1 (Turbo): 4,200/1.200/600 lumens, 2.5/127/35 mins, 250m max.,

- Level 2 (High): 1.200/600/300 lumens, 135/35/10 mins, 130m max.,

- Level 3 (Med): 300 lumens, 640 mins (10h 40 min), 65m,

- Level 4 (Low): 50 lumens, 55.5 hours (2 days 7.5 hours), 25m,

- Level 5 (Moon): 5 lumens, 15 days.

The maximum light intensity is 15625 candelas with a maximum beam distance of 250m - the flashlight has a relatively wide beam, ensuring good area coverage.

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OLIGHT Seeker 3 Pro features a body made of tough and durable aluminum alloy, supporting 1.5m test drop height and IPX8 waterproof rating.

The flashlight is controlled via a rotary knob switch, including the battery lock on/lock off status, brightness level/mode, proximity sensor on/off, the timer on/off.

It takes some practice to master the rotary knob switch use (please, when the flashlight arrives, be sure to read the User Manual), but it is very intuitive and shouldn't be a problem.

OLIGHT Seeker 3 Pro also features the brightness indicator level and the battery charge indicator level, allowing the user to easily check the remaining battery charge - if the battery charge is less than 10%, the indicator will turn red to warn the user about the battery status.

mcc3 charging

The flashlight is charged using an MCC3 magnetic charging cable, using the CC/CV (Constant Current/Constant Voltage) charging algorithm, ensuring that the flashlight can be recharged in ~4.5 hours.


Long Story Short: If You are looking for a strong floodlight LED flashlight with different light modes for everyday use or as an EDC flashlight, consider OLIGHT Seeker 3 Pro LED flashlight.

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It is a high output flashlight with thermal protection and additional safety features like an automatic lock-on and proximity sensor.

Actual controls are easy to get used to, although the lock on/off feature can get a little bit annoying if the flashlight has to be turned On and Off more often.

For more reviews and recommendations, feel free to check the OLIGHT Seeker 3 Pro LED Flashlight Amazon link (link opens in the new window).

Amazon Search:

- OLIGHT Flashlight

- Tactical Flashlight

- 21700 Flashlight

Note: Amazon links open in the new windows, feel free to check them for the most up-to-date offers and prices.