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Klarus XT21X Flashlight, 4000 Lumens, 316m Beam, Rechargeable

4.0 out of 5 (3 verified ratings)

Brand:  · Tactical Flashlights · SKU: LV-3993 · ✗ Out of Stock

KSh 18,500

Overview

The Klarus XT21X is a powerful rechargeable flashlight built for security, patrols, farms, and emergencies. With 4000 lumens, a long 316m beam, a 5000mAh 21700 battery, and USB charging, it gives strong, reliable light exactly when you need clear visibility at night.

Quick Specs

Brightness:
4000 Lumens
Beam Distance:
316m
Charging:
Micro USB
Battery:
size 21700, 5000mAh (included)
Runtime:
200 hours Max (on dimmest brightness)
Waterproof:
IPX8
Switch:
Tail Switch, Dual Switch, Side Switch
Modes:
Turbo, High, Medium, Low, Eco, Strobe, SOS
Warranty:
60 Months

Product Description

Klarus XT21X rechargeable tactical flashlight

A Cree XHP70.2 LED puts out 4000 lumens over a 316 metre beam, part of what made this line a search and rescue favourite, with a 5000mAh 21700 battery for real sustained runtime rather than a short, bright burst that fades quickly.

Charges over Micro USB with a charge indicator built into the side switch that turns green once the battery is ready, a small but genuinely useful detail for anyone charging the light overnight. Seven modes, Turbo through Eco plus Strobe and SOS, span a wide practical range.

Runtime by mode

  • Turbo: full 4000 lumens, 2.5 hours
  • Eco (lowest): up to 200 hours
  • Five further modes in between: High, Medium, Low, Strobe, SOS

Dual tail switch plus side switch control gives one-handed operation in either a normal grip or a fist hold, IPX8 waterproof aluminium body handles full submersion rather than just rain resistance, and a 5 year seller warranty backs the build. At 158g for the light itself and 229g as packaged, it sits solidly in the hand without being genuinely heavy to carry through a full shift.

The XT21X PRO adds a power bank function, the ability to charge a phone directly from the torch's own battery during a blackout.

Klarus XT21X rechargeable tactical flashlight Klarus XT21X rechargeable tactical flashlight Klarus XT21X rechargeable tactical flashlight Klarus XT21X rechargeable tactical flashlight Klarus XT21X rechargeable tactical flashlight Klarus XT21X rechargeable tactical flashlight Klarus XT21X rechargeable tactical flashlight

Best Uses

Search and rescue, security patrols, and outdoor work where sustained runtime at high output matters.

What's in the Box

  • Klarus XT21X flashlight
  • 21700 5000mAh battery (included)
  • Micro USB charging cable
  • Holster

Product Specifications

SpecificationDetails
Brightness4000 lumens
Range316 meters
Runtime200 hours
Rechargeable
Charging PortMicro USB
Charging Cable Included
Battery5000mAh, size 21700 (included)
Compatible BatteriesKLARUS 21700 5000mAh
Zoomable
ModesTurbo, High, Medium, Low, Eco, Strobe, SOS
SpecificationDetails
Brightness MemoryYes (remembers last used brightness)
Water ResistanceIPX8 - Suitable for deeper water immersion
MaterialAluminium Alloy
LED TypeCree XHP70.2 P2 LED
Light ColorCool White
Switch TypeTail Switch, Dual Switch, Side Switch
Weight158g
Holster Included
Dimensions161 x 27.5 x 41 mm
Product Weight229 g
Warranty60 Months (Seller Warranty)

Compatible Products

Verified to work with this flashlight

5 matches

Compatible Accessories(5)

KLARUS Klarus 21700 Battery, 5000mAh, High-Drain 15A, Protected
21700 5000mAh Li-ion Protected Button Top
5.0 ★ ★ ★ ★ ★ 3 verified ratings
“Battery hii ni poa sana ina nguvu ya kutosha for my flashlight. Imenisaidia sana usiku!” Dhanraj ✔ Verified Purchase Read all 3 reviews
KSh 3,000
Out of Stock
LIITOKALA LiitoKala Lii-40A 21700 Battery, 4000mAh, 40A High-Drain
21700 4000mAh Li-ion Unprotected Flat Top
4.0 ★ ★ ★ ★ ★ 1 verified rating
“Solid battery with great power for my flashlight. Lasts long and handles high drain well. Worth every coin.” Arjun ✔ Verified Purchase Read all 1 reviews
KSh 2,000
XTAR XTAR VC8S 8-Slot Charger | 3A USB-C Fast Charge, LCD Display
8-Bay 10440 / 14500 / 16340 / 17500 / 18350 / 18650 / 20700 / 21700 / 26650 / AA / AAA / C USB-C
4.0 ★ ★ ★ ★ ★ 1 verified rating
“Nimeipenda sana hii charger inacharge haraka na inaonyesha capacity ya betri vizuri.” Martin ✔ Verified Purchase Read all 1 reviews
KSh 8,000
XTAR XTAR MC1 Plus 1-Bay USB Lithium Battery Charger for 10440-26650 Cells
1-Bay 10440 / 14500 / 16340 / 17500 / 17670 / 18350 / 18650 / 21700 USB Smart Charger No ratings yet KSh 1,200 KSh 1,400
XTAR XTAR 21700 RAW Battery, 5000mAh, 35-90A High-Drain
21700 5000mAh Li-ion Unprotected Flat-top No ratings yet KSh 2,300
Tags: 20+ Hour Runtime 200-499m Beam Distance 2000+ Lumens 21700 Battery Aluminium Alloy LED Flashlight | Durable Metal Torch Battery Included Brightness Memory Charging Cable Included Dual Switch Design Eco Mode Holster Included IPX8 Waterproof Micro USB Charging Side Switch SOS Mode Strobe Mode Tail Switch Turbo Mode

Frequently Asked Questions

7 questions
It delivers up to 4000 lumens of brightness. The beam can reach up to 316 metres, giving you excellent visibility for outdoor and tactical use.
It uses 21700 5000mAh battery. Please check the listing to confirm if the battery is included — some models come with a battery while others require separate purchase. The battery is rechargeable and charges via USB.
It charges via the built-in USB port using the included charging cable. A full charge provides up to 200 hours of runtime (usually on lower brightness settings).
It has a IPX8 rating. This means it can be submerged in water up to 2 metres depth, making it safe for heavy rain, water crossings, and temporary submersion. The durable aluminium alloy body provides added protection.
This flashlight is ideal for camping, hiking, security patrols, outdoor activities. With 4000 lumens of brightness and a 316m beam range, it provides reliable illumination when you need it.
You can buy it from Lumen Vault Kenya and enjoy fast and reliable delivery in Nairobi and across Kenya. Contact us via phone or WhatsApp for quick assistance or to place your order easily.
Yes – we offer fast nationwide delivery across Kenya within 24 hours. Nairobi and surrounding towns usually get same-day or next-day delivery.

PRODUCT REVIEWS (3)

★ ★ ★ ★ ★

Super bright and handy for night patrols. USB charging is a big plus. Got it fast too.

17-05-2025 by Charlie Verified Purchase
★ ★ ★ ★ ★
14-12-2022 by Jaspal Verified Purchase
★ ★ ★ ★ ★
10-05-2021 by Kiragu Verified Purchase
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