1. Uvod
Thank you for choosing the WUBEN A20 Flashlight. This high-performance, rechargeable flashlight is designed for various lighting needs, offering exceptional brightness and durability. Please read this manual carefully before use to ensure proper operation and to maximize the product's lifespan.

Image 1.1: The WUBEN A20 flashlight showcasing its different output modes: Turbo (4200lm), High (1200lm), Mid (400lm), Low (130lm), Eco (5lm), Strobe (4200lm), and SOS (400lm).
2. Sigurnosne informacije
- Do not shine the flashlight directly into eyes. The powerful beam can cause temporary vision impairment or permanent eye damage.
- Čuvati van domašaja djece.
- Do not disassemble the flashlight head or body, as this may damage the product and void the warranty.
- Use only the recommended battery type (21700 Li-ion) or compatible 18650 with adapter.
- Avoid exposing the flashlight to extreme temperatures or open flames.
- Ensure the battery is inserted with correct polarity to prevent damage.
3. Sadržaj paketa
Molimo Vas da provjerite paket za sljedeće stavke:
- WUBEN A20 Powerful Rechargeable Flashlight
- 4800mAh 21700 Battery
- Rubber Button Cap
- O-prsten
- 18650 Battery Adaptor
- Korisnički priručnik (ovaj dokument)
- USB-C kabl
- Clip
- Futrola
- Lanyard
- Packing Box
4. Značajke proizvoda
- Visoki izlaz: Maximum 4200 lumens with a beam distance of up to 222 meters.
- LED tip: Equipped with CREE XHP70 LED, offering a lifetime of up to 100,000 hours.
- baterija: Uses a 4800mAh 21700 lithium-ion battery, providing up to 110 hours of operation in Eco mode.
- Punjiva: Built-in USB Type-C charging port for 5V2A fast charging.
- optički sistem: Aluminum alloy vacuum plating reflector and double scratch optical lens with up to 99% light transmission.
- Trajnost: IP68 rated waterproof for use in extreme conditions. Constructed from hard anodized 6061 aircraft-grade aluminum alloy.
- Pametne karakteristike: Intelligent low power warning, reverse polarity protection, and intelligent temperature control design.
- Korisničko sučelje: Smart "W" button for various functions including mode switching, battery indication, and lockout.
- Načini osvjetljenja: 5 basic modes (Turbo, High, Mid, Low, Eco) with memory function, and 2 hidden modes (Strobe, SOS). Continuous output level selection is also available.
5. Podešavanje
5.1 Instalacija baterije
Before first use, ensure the insulation sheet is removed from the battery compartment. Unscrew the tail cap, insert the 21700 battery with the positive (+) end facing the head of the flashlight, and then screw the tail cap back on securely. An 18650 battery can also be used with the provided adapter.

Image 5.1: Illustration showing how to remove the insulation sheet, insert the battery, and the Type-C charging port.
5.2 Punjenje
The WUBEN A20 features a built-in Type-C charging port. To charge:
- Pronađite Type-C priključak za punjenje na kućištu svjetiljke.
- Connect the provided USB-C cable to the flashlight and a 5V2A power adapter (not included).
- The indicator light on the 'W' button will show the charging status:
- crveno svjetlo: Punjenje je u toku.
- Plavo svjetlo: Punjenje je završeno.
- Vrijeme punjenja je otprilike 3 sata za potpuno punjenje.

Image 5.2: The WUBEN A20 flashlight, highlighting its Type-C fast charging capability and the included 4800mAh 21700 Li-ion rechargeable battery. It also shows compatibility with an 18650 battery (not included).
6. Uputstvo za upotrebu
The WUBEN A20 is operated using a single 'W' button on the side.
6.1 Osnovni rad
- Uključi/isključi: Single click the 'W' button to turn the flashlight on or off. The flashlight will remember the last used basic mode (Eco, Low, Mid, High, Turbo).
- Promjena načina rada: While the flashlight is on, single click the 'W' button to cycle through the basic modes: Eco → Low → Mid → High → Turbo.
6.2 Continuous Output Level Selection
To adjust brightness continuously:
- Double click the 'W' button and hold it.
- The brightness will cycle through the output range (from 5 lumens to 4200 lumens).
- Otpustite dugme kada se dostigne željeni nivo osvetljenosti.
6.3 Specijalni režimi (Stroboskop i SOS)
- Aktiviraj: Double click the 'W' button from any state (on or off) to activate Strobe mode.
- Switch to SOS: While in Strobe mode, double click the 'W' button again to switch to SOS mode.
- Izlaz: Single click the 'W' button to turn off the flashlight and exit special modes.
6.4 Funkcija zaključavanja
To prevent accidental activation, especially due to the high output, use the lockout function:
- zaključavanje: Triple click the 'W' button from any state (on or off). The flashlight will flash briefly to indicate it is locked.
- Otključaj: Triple click the 'W' button again to unlock. The flashlight will turn on in the last used basic mode.
6.5 Battery Power Reminder
The 'W' button also serves as a battery power indicator:
| Nivo snage | Indikatorska lampica |
|---|---|
| 100%~80% | Blue light constant (Turns off after 5 seconds) |
| 79%~30% | Blue light flashes (Turns off after 5 seconds) |
| 29%~15% | Konstanta crvenog svjetla |
| ispod 15% | Crveno svjetlo treperi |

Image 6.1: Detailed diagram of the 'W' button functions, including single click for output selections, double click for Strobe/SOS, triple click for lockout/unlock, and double click and hold for continuous output selection. The battery power reminder table is also shown.
7. Održavanje
- čišćenje: Očistite tijelo svjetiljke mekom krpomamp tkanina. Nemojte koristiti abrazivna sredstva za čišćenje ili rastvarače.
- Navoji i O-prstenovi: Periodically lubricate the threads and O-rings with silicone grease to maintain water resistance and smooth operation. Replace O-rings if they appear damaged.
- Održavanje baterije: If the flashlight will not be used for an extended period, remove the battery to prevent potential leakage. Store batteries in a cool, dry place.
- Njega sočiva: Keep the lens clean to ensure maximum light output. Use a lens cleaning cloth if necessary.

Image 7.1: The WUBEN A20 flashlight submerged in water, illustrating its IP68 water-resistant rating for extreme conditions.
8. Otkrivanje problema
If your WUBEN A20 flashlight is not functioning correctly, please try the following:
- Lampa se ne uključuje:
- Provjerite je li baterija pravilno umetnuta s pozitivnim (+) polom okrenutim prema glavi.
- Provjerite je li baterija napunjena. Napunite je ako je potrebno.
- Confirm the flashlight is not in lockout mode (triple click to unlock).
- Čvrsto zategnite stražnji poklopac i glavu.
- Rad sa prekidima:
- Očistite kontakte i navoje baterije alkoholnim štapićem.
- Provjerite je li baterija potpuno napunjena i pravilno postavljena.
- Smanjena svjetlina ili kratko vrijeme rada:
- The battery may need to be recharged or replaced if it's old.
- Uverite se da je sočivo čisto.
If these steps do not resolve the issue, please contact WUBEN customer service for further assistance.
9. Specifikacije
| Feature | Detalj |
|---|---|
| Model | A20 |
| Izvor svjetlosti | CREE XHP70 LED dioda |
| Maksimalni izlaz | 4200 lumena |
| Maksimalna udaljenost snopa | 222 metara |
| Vrsta baterije | 1 x 21700 Li-ion (4800mAh included), compatible with 18650 (with adapter) |
| Port za punjenje | USB Type-C (5V2A fast charging) |
| Materijal | Aircraft-grade aluminum alloy |
| Otpornost na vodu | IP68 (vodootporni) |
| Dimensions (Length x Head Dia. x Tail Dia.) | 135.5 mm x 42 mm x 27 mm |
| Težina (bez baterije) | 145g |
| Težina (sa baterijom) | 215g |
10. Garancija i podrška
WUBEN provides comprehensive customer support and warranty for the A20 flashlight:
- Free Return: U roku od 30 dana od kupovine.
- Free Repairing: Within 1 year of purchase.
- Manufacturer's Repairing: Within 5 years of purchase.
- Služba za korisnike: Podrška dostupna 24/7.
For warranty claims or technical assistance, please contact WUBEN customer service through their official channels.





