1. Увод
This manual provides essential information for the safe and effective use of your DARKBEAM T25 Bike Tail Light. Please read these instructions thoroughly before operation and retain for future reference.
The DARKBEAM T25 is a compact, high-visibility bicycle taillight designed to enhance rider safety during night riding and low-light conditions. It features an LED display for battery status, multiple lighting modes, intelligent braking detection, and a durable, waterproof design.
2. Безбедносне информације
- Always ensure the taillight is securely mounted and fully charged before each ride.
- Не гледајте директно у светлосни сноп како бисте избегли привремено оштећење вида.
- Clean the light regularly to maintain optimal visibility. Use a soft, damp тканина.
- Operating the bicycle taillight does not replace the need for other safety measures, such as wearing reflective clothing or using additional lighting.
- Придржавајте се свих локалних саобраћајних закона и прописа у вези са осветљењем бицикла.
3. Садржај пакета
Проверите да ли су све ставке присутне у вашем пакету:
- DARKBEAM T25 Bike Tail Light (battery included)
- Mount x 2 (1 Seat bow, 1 Seat tube)
- Tie strap (for fixing the seat bow) x 3
- УСБ-Ц кабл за пуњење к 1
- Упутство за употребу к 1
4. Производ је готовview
The DARKBEAM T25 features a compact design with an integrated LED display and a single control button.

Figure 1: DARKBEAM T25 Bike Tail Light showing the LED display and USB-C port.
Кључне карактеристике:
- ЛЕД екран: Shows real-time battery level.
- УСБ-Ц пуњиви: Удобно и брзо пуњење.
- 6 режима осветљења: Various options for visibility.
- ИП55 водоотпоран: Дизајниран за употребу у различитим временским условима.
- Intelligent Braking: Automatically increases brightness upon deceleration.
- Аутоматско спавање/буђење: Conserves battery by entering sleep mode after 30 seconds of inactivity and waking upon vibration.
5. Подешавање и инсталација
The DARKBEAM T25 offers versatile mounting options to suit your bicycle setup.

Figure 2: Two primary mounting styles: saddle rail and seat post.
5.1. Монтажа седишта
- Select the appropriate position on your seat post.
- Wrap the silicone strap of the seat post mount around the seat post.
- Hook the strap securely into one of the slots on the mount.
- Insert the taillight into the mount at a 45-degree angle and rotate it 45 degrees to the left or right until it clicks into place.
5.2. Монтажа шине седла
- Secure the saddle rail mount to the saddle rails using the provided zip ties. Ensure it is tight and stable.
- Insert the taillight into the mount at a 45-degree angle and rotate it 45 degrees to the left or right until it clicks into place.
Video 1: Demonstration of DARKBEAM Bike Tail Light installation and features.
6. Упутство за употребу
6.1. Укључивање/искључивање
- To turn on: Press and hold the power button (located on the side) for approximately 2 seconds.
- To turn off: Press and hold the power button for approximately 2 seconds.
6.2. Промена режима осветљења
Once the light is on, short press the power button to cycle through the 6 available lighting modes:
- Stay On (Constant Light Mode)
- Rapid Flash Mode
- Breathing Flash Mode
- Фласх Моде
- Режим треперења
- Single Flash Mode
The light features a mode memory function, meaning it will restart in the last used mode when turned on again.

Figure 3: Visual representation of the 6 available lighting modes.
6.3. Intelligent Braking and Sleep Function
- Сензор кочнице: In normal mode, the taillight automatically detects rapid deceleration (braking) and increases its brightness to alert vehicles behind you.
- Аутоматско спавање: If the taillight remains stationary for 30 seconds after being turned on, it will enter a sleep mode to conserve battery.
- Аутоматско буђење: The light will automatically wake up from sleep mode upon detecting vibration (movement).

Figure 4: Brake sensor in action, increasing brightness when deceleration is detected.
6.4. Упутства за пуњење
The DARKBEAM T25 is equipped with a USB-C charging port.
- Locate the USB-C port on the side of the taillight, protected by a waterproof cover.
- Gently open the waterproof cover.
- Connect the provided USB-C cable to the taillight and the other end to any standard USB power source (e.g., power bank, laptop, USB adapter). Ensure the power supply voltage does not exceed 5V 2A.
- ЛЕД дисплеј ће показати статус пуњења.
- Време пуњења је око 2.5 сата.
- Once fully charged, disconnect the cable and securely close the waterproof cover to maintain IP55 water resistance.

Figure 5: USB-C fast charging with various compatible devices.
7. Одржавање
7.1. Чишћење
To clean the taillight, wipe it with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these may damage the device.
7.2. Складиштење
When not in use for extended periods, store the taillight in a cool, dry place. It is recommended to charge the battery every 3-6 months to prolong its lifespan.
7.3. Отпорност на воду
The DARKBEAM T25 has an IP55 water resistance rating, meaning it is protected against dust ingress and low-pressure water jets from any direction. Ensure the USB-C port cover is always securely closed to maintain water resistance.

Figure 6: The taillight is designed to withstand rain and splashes.
КСНУМКС. Решавање проблема
- Светло се не укључује: Ensure the battery is charged. Press and hold the power button for 2 seconds.
- Светло се не пуни: Check the USB-C cable and power source connection. Ensure the charging port is clean and free of debris.
- Light not responding to movement (Auto Wake): Ensure the light is not in sleep mode. If it is, simply move the bike to activate it.
- Light falling off mount: Re-check installation steps to ensure the mount is securely fastened and the light is properly clicked into the mount.
9. Спецификације
| Феатуре | Спецификација |
|---|---|
| Назив модела | Т25 |
| Бранд | ДАРКБЕАМ |
| Материјал | Пластика |
| Тежина артикла | 24 грама |
| Димензије артикла (ДкШкВ) | 1.26 к 1.18 к 1.26 инча |
| Извор напајања | Напајање батеријама (пуњиво са USB-C-ом) |
| Осветљеност | 500 лумена (макс.) |
| Број подешавања | 6 светлосна начина |
| Ниво отпорности на воду | ИП55 водоотпоран |
10. Гаранција и подршка
The DARKBEAM T25 Bike Tail Light comes with a standard manufacturer's warranty against defects in materials and workmanship. For warranty claims, technical support, or any questions regarding your product, please contact DARKBEAM customer service through the retailer where the product was purchased.