1. Увод
Хвала вам на куповиниasing 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. Садржај пакета
Молимо вас да проверите садржај пакета по пријему како бисте били сигурни да су сви предмети присутни:
- TrustFire T21R Flashlight x 1
- УСБ кабл за пуњење типа Ц к 1
- Rechargeable Lithium-ion Battery x 1 (pre-installed or separate)
- Ремен за руку к 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. Спецификације
| Феатуре | Опис |
|---|---|
| Модел | ТКСНУМКСР |
| Извор светлости | ЛЕД |
| Мак Оутпут | 2600 лумена |
| Максимална удаљеност снопа | 228 метара |
| Извор напајања | УСБ пуњиви (тип-Ц) |
| Тип батерије | Lithium-ion (21700, 5000mAh) |
| Волtage | 3.6 Волтс |
| Материјал | Алуминијумска легура |
| Водоотпорна оцена | IPX8 (Потопљив до 2 метра) |
| Отпорност на удар | 1 Метер |
| Димензије (Д к Ш к В) | 12.9 цм к 2.7 цм к 2.7 цм |
| Тежина | 140 грама |
| Посебне карактеристике | 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. Подешавање
4.1 Инсталација батерије
- Одврните задњи поклопац батеријске лампе у смеру супротном од казаљке на сату.
- 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 Почетна наплата
It is recommended to fully charge the battery before first use. Refer to the "Charging" section for detailed instructions.
5. Упутство за употребу
The TrustFire T21R features a dual-switch design for intuitive control: a tactical tail switch and a side switch.
5.1 Tactical Tail Switch
- Тренутно укључено: Lightly press and hold the tail switch to temporarily activate the light. Release to turn off.
- Constant On/Off: 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 Бочни прекидач (избор режима)
When the flashlight is ON (via the tail switch):
- Промена режима: Press the side switch to cycle through the lighting modes: Eco → Low → Medium → High.
- Стробе режим: Press and hold the side switch for 1.5 seconds to activate Strobe mode. Press again to return to the previous mode.
- Меморија режима: 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. Пуњење
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 црвена током пуњења.
- Када се пуњење заврши, индикаторска лампица ће се упалити зелена.
- Unplug the charging cable and securely close the rubber cover to maintain waterproof integrity.
Важно: 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 Индикатор напајања
The side switch features a built-in power indicator that illuminates when the flashlight is turned on, showing the remaining battery level:
- зелено: Преостало 50% - 100% батерије
- Жута: Преостало 20% - 50% батерије
- црвено: Преостало 5% - 20% батерије
- Трепери црвено: 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 Избор батерије
For optimal performance and safety, use the recommended battery types:
| Категорија | Тип батерије |
|---|---|
| Препоручено | Rechargeable lithium-ion battery with protection circuit board (TrustFire 21700 X series, etc.) |
| Користите са опрезом | Rechargeable lithium-ion batteries (21700) |
| Забрањено | Једнократне батерије |
| Забрањено | Rechargeable lithium-ion batteries (without protection circuit board) (18650) |
| Забрањено | 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. Одржавање
- Чишћење: Очистите кућиште батеријске лампе меком крпомamp тканина. Немојте користити абразивна средства за чишћење или раствараче.
- подмазивање: Периодично подмазујте О-прстенове и навоје силиконском машћу како бисте одржали водоотпорност и глатки рад.
- Одржавање батерије: Remove the battery if the flashlight will not be used for an extended period. Store batteries in a cool, dry place.
- Контакт тачке: Keep the battery contact points clean. If they become dirty, clean them with a cotton swab dipped in rubbing alcohol.
КСНУМКС. Решавање проблема
| Проблем | Могући узрок | Решење |
|---|---|---|
| Лампа се не укључује | 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. |
| Светло трепери или се повремено гаси | 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. |
| Лампа се прегрева | 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. |
| Индикатор пуњења не ради | 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. Мере предострожности
- Безбедност ока: 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.
- деца: Чувати ван домашаја деце.
- топлота: The flashlight head may become hot during prolonged use on high brightness modes. Handle with care.
- Потапање у воду: While IPX8 rated, avoid prolonged submersion in water. Ensure the USB port cover and tail cap are securely closed before exposure to water.
- Руковање батеријом: Користите само препоручене батерије. Не мешајте старе и нове батерије, нити различите типове батерија. Не бацајте батерије у ватру.
- Растављање: Do not disassemble the flashlight head or other sealed parts, as this may damage the flashlight and void the warranty.
10. Гаранција и подршка
The TrustFire T21R Tactical Flashlight comes with a 12-месечни гарантни рок од дана куповине.
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 webсајт или директно контактирајте њихову корисничку службу.