1. הקדמה
א דאנק פארן קויפןasing the TrustFire T21R Tactical Flashlight. This high-performance LED flashlight is designed for reliability and versatility, offering a maximum output of 2600 lumens and a beam distance of up to 228 meters. It features a durable aluminum alloy construction, IPX8 waterproof rating, and convenient USB Type-C charging. This manual provides detailed instructions for proper use, maintenance, and safety.

Image: The TrustFire T21R Tactical Flashlight highlighting its 2600 lumens output and 228-meter beam distance.
2. פּעקל אינהאַלט
ביטע קאָנטראָלירט דעם אינהאַלט פֿון פּאַקעט בײַם באַקומען, כּדי צו זיכער מאַכן אַז אַלע זאַכן זענען דאָרט:
- TrustFire T21R Flashlight x 1
- וסב טיפּ-C טשאַרדזשינג קאַבלע X 1
- Rechargeable Lithium-ion Battery x 1 (pre-installed or separate)
- האַנט רימען X 1
- Waterproof O-ring x 1
- Multi-language User Manual x 1

Image: All items included in the TrustFire T21R package: flashlight, USB-C cable, battery, hand strap, O-ring, and user manual.
3. ספּעסאַפאַקיישאַנז
| שטריך | באַשרייַבונג |
|---|---|
| מאָדעל | T21R |
| ליכט מקור | געפירט |
| מאַקס רעזולטאַט | 2600 לומענס |
| מאַקסימום שטראַל דיסטאַנס | 228 מעטער |
| מאַכט מקור | USB קריקאָנלאָדלעך (טיפּ-C) |
| באַטערי טיפּ | Lithium-ion (21700, 5000mAh) |
| Voltage | 3.6 וואלטס |
| מאַטעריאַל | אַלומינום צומיש |
| וואָטערפּרוף רייטינג | IPX8 (Submersible up to 2 meters) |
| פּראַל קעגנשטעל | 1 מעטער |
| דימענסיעס (L X W X H) | 12.9 סענטימעטער X 2.7 סענטימעטער X 2.7 סענטימעטער |
| וואָג | 140 גראַמז |
| ספּעציעלע פֿעיִקייטן | Mode Memory, Overheat Protection, Battery Level Indicator, Dual Switch Design |
Note: All specifications are based on TrustFire's testing standards. Actual performance may vary depending on battery and environmental conditions.

Image: A chart illustrating the performance of the T21R across various modes, including lumens, runtime, and beam distance.
4. סעטאַפּ
4.1 באַטאַרייע ייַנמאָנטירונג
- שרויפט אַראָפּ דעם עק דעקל פֿון דער פֿלאַשליכט קעגן דעם זייגער.
- Insert the provided 21700 lithium-ion battery with the positive (+) end facing towards the flashlight head.
- Screw the tail cap back on clockwise until it is securely tightened. Ensure the O-ring is properly seated to maintain waterproof integrity.
4.2 ערשט אָפּצאָל
It is recommended to fully charge the battery before first use. Refer to the "Charging" section for detailed instructions.
5. אַפּערייטינג ינסטרוקטיאָנס
The TrustFire T21R features a dual-switch design for intuitive control: a tactical tail switch and a side switch.
5.1 Tactical Tail Switch
- צייט צייט: Lightly press and hold the tail switch to temporarily activate the light. Release to turn off.
- קאָנסטאַנט אויף/אויס: Fully press the tail switch until it clicks to turn the flashlight on or off.

Image: Instructions for operating the tactical tail switch, demonstrating momentary and constant illumination.
5.2 Side Switch (Mode Selection)
When the flashlight is ON (via the tail switch):
- טוישן מאָדעס: Press the side switch to cycle through the lighting modes: Eco → Low → Medium → High.
- סטראָוב מאָדע: Press and hold the side switch for 1.5 seconds to activate Strobe mode. Press again to return to the previous mode.
- מאָדע זכּרון: The flashlight will remember the last used brightness mode (Eco, Low, Medium, or High) when turned off and will resume that mode when turned back on.

Image: Visual representation of the five available lighting modes: High, Medium, Low, Moonlight (Eco), and Strobe.
6. טשאַרדזשינג
The T21R flashlight features a convenient USB Type-C charging port.
- Turn off the flashlight using the tail switch.
- Locate the USB Type-C port on the side of the flashlight, usually protected by a rubber cover. Open the cover.
- Insert the USB Type-C charging cable into the flashlight's port and connect the other end to a USB power source (e.g., wall adapter, power bank, computer).
- The indicator light on the side switch will turn רויט בעשאַס טשאַרדזשינג.
- Once charging is complete, the indicator light will turn גרין.
- Unplug the charging cable and securely close the rubber cover to maintain waterproof integrity.
וויכטיק: The battery has a slow self-discharge rate. If the flashlight is not used for an extended period (e.g., six months), it is recommended to perform a charging operation to prevent battery damage.

Image: The TrustFire T21R flashlight being charged via its USB Type-C port.
6.1 מאַכט גראדן
The side switch features a built-in power indicator that illuminates when the flashlight is turned on, showing the remaining battery level:
- גרין: 50% - 100% battery remaining
- געל: 20% - 50% battery remaining
- רויט: 5% - 20% battery remaining
- פלאַשינג רויט: 1% - 5% battery remaining (critical level, recharge immediately)

Image: The power indicator on the side switch displaying different colors to represent battery charge levels.
6.2 באַטאַרייע סעלעקציע
For optimal performance and safety, use the recommended battery types:
| קאַטעגאָריע | באַטערי טיפּ |
|---|---|
| רעקאַמענדיד | Rechargeable lithium-ion battery with protection circuit board (TrustFire 21700 X series, etc.) |
| ניצן מיט וואָרענען | Rechargeable lithium-ion batteries (21700) |
| פארבאטן | דיספּאָוזאַבאַל באַטעריז |
| פארבאטן | Rechargeable lithium-ion batteries (without protection circuit board) (18650) |
| פארבאטן | Rechargeable lithium-ion batteries (2 * 16340) |
Warning: Only use TrustFire series 21700 lithium-ion batteries or other compatible protected 21700 batteries. Using unsuitable batteries can damage the flashlight or battery. Do not use lithium batteries without a protection plate.

Image: A visual guide detailing recommended, cautious, and forbidden battery types for the T21R flashlight.
7. וישאַלט
- רייניקונג: רייניקט דעם פלאַשלייט קערפּער מיט אַ ווייכן, דamp שטאָף. דו זאלסט נישט נוצן אַברייסיוו קלינערז אָדער סאָלוואַנץ.
- שמירן: Periodically lubricate the O-rings and threads with silicone grease to maintain waterproof integrity and smooth operation.
- באַטערי זאָרגן: אַרויסנעמען די באַטעריע אויב די לאָמפּ וועט נישט ווערן גענוצט פֿאַר אַ לענגערע צייט. האַלטן די באַטעריעס אין אַ קיל, טרוקן אָרט.
- קאָנטאַקט פונקטן: Keep the battery contact points clean. If they become dirty, clean them with a cotton swab dipped in rubbing alcohol.
8. טראָובלעשאָאָטינג
| פּראָבלעם | מעגלעך סיבה | לייזונג |
|---|---|---|
| פלאַשליגהט טוט נישט קער אויף | Low battery; improperly installed battery; loose tail cap; dirty contacts. | Charge the battery; ensure battery is inserted correctly (positive end towards head); tighten tail cap; clean battery contacts. |
| ליכט פליקערז אָדער טורנס אַוועק ינטערמיטאַנטלי | Low battery; loose tail cap; dirty contacts; damaged O-ring. | Charge the battery; tighten tail cap; clean battery contacts; inspect and replace O-ring if damaged. |
| פלאַשליגהט אָוווערכיץ | Prolonged use on High/Turbo mode; high ambient temperature; internal issue. | Reduce brightness mode; allow flashlight to cool down. The T21R has overheat protection, which will automatically reduce output. If overheating persists at lower modes, contact support. |
| טשאַרדזשינג גראדן איז נישט ארבעטן | Cable not properly connected; faulty cable/charger; battery fully charged. | Ensure secure connection; try a different USB-C cable or charger; if battery is full, indicator will be green or off. |
9. זיכערקייַט פּריקאָשאַנז
- אויג זיכערקייַט: Do not shine the flashlight directly into eyes or at other people. The high intensity light can cause temporary vision impairment or permanent eye damage.
- קינדער: האַלטן אויס פון דערגרייכן פון קינדער.
- היץ: The flashlight head may become hot during prolonged use on high brightness modes. Handle with care.
- וואַסער טבילה: While IPX8 rated, avoid prolonged submersion in water. Ensure the USB port cover and tail cap are securely closed before exposure to water.
- באַטערי האַנדלינג: ניצט נאָר רעקאָמענדירטע באַטעריעס. מישט נישט אַלטע און נייע באַטעריעס, אדער פֿאַרשידענע טיפּן באַטעריעס. וואַרפט נישט באַטעריעס אין פֿײַער.
- דיסאַססעמבלי: Do not disassemble the flashlight head or other sealed parts, as this may damage the flashlight and void the warranty.
10. וואָראַנטי און שטיצן
The TrustFire T21R Tactical Flashlight comes with a 12-חודש וואָראַנטי צייט פון די דאַטע פון קויפן.
If you encounter any issues or have questions regarding your product, please contact TrustFire customer support through your Amazon purchase history. Provide your order number and a detailed description of the issue for prompt assistance.
For further information or to register your product, please visit the official TrustFire webזייטל אדער קאנטאקט זייער קאסטומער סערוויס גלייך.