1. Produk Langkungview
The klarus XT11S is a high-performance, rechargeable tactical flashlight designed for reliability and versatility. It delivers a powerful 1100 lumens with a beam distance of up to 330 meters, making it suitable for a wide range of applications from outdoor adventures to tactical operations. Its intuitive dual tail switches and side switch provide quick access to various lighting modes, including Turbo, High, Medium, Low, Strobe, and SOS.
Key features include a 2600mAh rechargeable battery with extended runtime, convenient USB-C fast charging, and an intelligent battery capacity indicator. The flashlight also incorporates an Innovative Temperature Protection System (ITS) to prevent overheating and is constructed from durable aircraft-grade aluminum, offering IPX8 waterproofing and 1-meter impact resistance.

Image: The Klarus XT11S Tactical Flashlight, showcasing its sleek design and powerful LED emitter.
2. Setup jeung Ngecas
2.1 Pamasangan batré
The klarus XT11S typically comes with a 2600mAh 18650 Lithium-Ion battery. To install or replace the battery:
- Buka tutup buntut senter ka arah anu sabalikna tina arah jarum jam.
- Selapkeun batré 18650 kalayan tungtung positif (+) nyanghareup ka sirah senter.
- Screw cap buntut deui saarah jarum jam nepika aman tightened.
2.2 Ngecas Awal
Before first use, it is recommended to fully charge the battery. The XT11S features a convenient USB-C charging port.
- Panggihan port ngecas USB-C di sisi senter, biasana dijagi ku panutup karét.
- Angkat panutup karét lalaunan pikeun nembongkeun liangna.
- Connect the provided USB-C cable to the flashlight and plug the other end into a compatible USB power source (e.g., wall adapter, power bank, computer USB port).
- The battery indicator light will show the charging status:
- Lampu Beureum: Ngecas lumangsung.
- Lampu héjo: Ngecas lengkep.
- Lampu Oranyeu: Abnormal condition (e.g., charging error).
- Saatos ngecas réngsé, cabut kabel teras tutup pageuh panutup karétna supados tetep tahan cai.

Image: Visual representation of the smart digital charging system and battery status indicators.

Image: The USB-C charging port with its protective cover, illustrating various compatible charging sources like PC/Laptop, Mains Socket, and Vehicle.

Gambar: Detil view of the USB-C charging port and the battery indicator light, showing different charge levels (Green: 70%-100%, Orange: 30%-70%, Red Flashing: <10%).
3. Parentah Operasi
The klarus XT11S features a versatile triple switch design for intuitive control.
3.1 Pungsi Pindah

Image: Diagram illustrating the Primary Switch (tail cap), Mode Switch (tail cap), and Side Switch functions.
- Primary Switch (Tail Cap): Used for Momentary-ON, ON/OFF, and Constant-ON functions.
- Mode Switch (Tail Cap): Provides quick access to Instant Strobe or Instant Low-light, depending on the selected user setting.
- Saklar samping: Controls ON/OFF, Mode Change, Instant Low-light, STROBE, SOS, LOCK Function, and Memorized Function.
3.2 Lighting Modes and Output
The XT11S offers multiple lighting modes to suit various needs:
- Turbo: 1100 Lumens (maximum output)
- luhur: 400 Lumén
- Sedeng: 100 Lumén
- rendah: 10 Lumén
- Strobe: 1100 Lumens (for disorienting)
- SOS: 100 Lumens (for signaling)
The flashlight features a constant current output to prevent flickering, ensuring stable illumination.

Image: Comparison showing stable light from constant current versus flickering from PWM circuit.
3.3 Mode Operation Demonstration
Video: A demonstration of the Klarus XT11S flashlight's various lighting modes, including Turbo, High, Medium, Low, Strobe, and SOS, showcasing their respective lumen outputs and effects.
3.4 Operasi Hiji Leungeun
The tactical design of the XT11S, with its enlarged contact area, allows for easy one-handed operation, even when wearing gloves.

Image: A person demonstrating one-handed operation of the Klarus XT11S flashlight while wearing gloves, highlighting its ergonomic design.
4. Pangropéa
Proper maintenance ensures the longevity and optimal performance of your klarus XT11S flashlight.
- beberesih: Regularly wipe the flashlight body with a clean, soft cloth. For stubborn dirt, use a slightly damp lawon. Ulah make bahan kimia kasar atawa bahan abrasive.
- Benang sareng O-ring: Periodically lubricate the threads and O-rings with silicone grease to maintain water resistance and smooth operation. Inspect O-rings for wear and tear and replace if necessary.
- Perawatan batré: Charge the battery regularly, even if the flashlight is not in frequent use, to prevent deep discharge. If storing for an extended period, charge the battery to approximately 50% and remove it from the flashlight. Store in a cool, dry place.
- Kontak: Ensure the battery contacts and the flashlight's internal contacts are clean and free of debris. Use a cotton swab with a small amount of rubbing alcohol if necessary.
5. Cara ngungkulan
If you encounter issues with your klarus XT11S, refer to the following common problems and solutions:
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Senter teu hurung. | Low or depleted battery. Incorrect battery installation. Loose tail cap. Dirty contacts. | Charge the battery fully. Ensure battery is inserted with positive (+) end towards the head. Tighten the tail cap securely. Clean battery and flashlight contacts. |
| Cahya taram atawa kedip-kedip. | Low battery. Poor contact. | Recharge the battery. Clean battery and flashlight contacts. Ensure tail cap is fully tightened. |
| Senter gancang panas. | Operating on Turbo mode for extended periods. | This is normal for high-output flashlights. The Intelligent Temperature Protection System (ITS) will automatically reduce output to prevent damage. Switch to a lower mode if prolonged use is required. |
| Charging indicator shows orange. | Abnormal charging condition. | Check the USB cable and power source. Ensure the battery is correctly inserted. If the issue persists, try a different battery or contact customer support. |
6. Spésifikasi
Detailed specifications for the klarus XT11S Tactical Flashlight:
- model: XT11S
- Sumber cahaya: LED
- Caang maksimum: 1100 Lumén
- Jarak Beam maksimum: 330 méter
- Batré: 1 x 2600mAh 18650 Lithium-Ion (included)
- Ngecas: USB-C ngecas Gancang
- Maximum Runtime: Up to 260 hours (on Low mode)
- Bahan: Pesawat-grade Aluminium Alloy
- Tahan cai: IPX8 (bisa dicelupkeun nepi ka 2 méter)
- Résistansi Dampak: 1 Méter
- ukuran: Approximately 1"D x 1"W x 3.93"H (25.4mm x 34.9mm x 139mm)
- beurat: Approximately 4.4 ounces (124.3 grams) excluding battery
- Fitur husus: Dual Tail Switches, Side Switch, Intelligent Temperature Protection System (ITS), Battery Capacity Indicator.

Image: The Klarus XT11S flashlight next to a smartphone, illustrating its compact and lightweight dimensions (139mm length, 34.9mm head diameter, 25.4mm body diameter).

Image: The Klarus XT11S flashlight submerged in water, demonstrating its IPX8 waterproof rating, suitable for use in severe weather conditions.

Image: The Klarus XT11S flashlight next to metalworking tools, emphasizing its construction from high-quality aviation aluminum alloy for strength and durability.

Image: The Klarus XT11S flashlight with icons indicating its IPX8 waterproof rating (up to 2m underwater) and 1-meter drop protection, highlighting its resilience in harsh environments.

Image: A collage of images showing the Klarus XT11S flashlight being used in various scenarios such as camping, tactical operations, walking, repairing, and duty, demonstrating its versatility.
7. Garansi jeung Rojongan
klarus products are manufactured to high quality standards. For specific warranty details, please refer to the warranty card included with your product or visit the official klarus website. Generally, klarus offers a limited warranty against defects in materials and workmanship.
For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact klarus customer service through their official website or the retailer from whom you purchased the product. Keep your proof of purchase for warranty purposes.
Note: The warranty description provided in the product data was minimal ("1."). Please consult the official Klarus website or product packaging for comprehensive warranty terms and conditions.





