1. Introduzione
Thank you for choosing the Nitecore EDC31 Compact EDC Flashlight. This manual provides detailed instructions for the proper use, maintenance, and troubleshooting of your device. Please read this manual thoroughly before operation to ensure optimal performance and safety.

Image 1: Nitecore EDC31 Compact EDC Flashlight. This image displays the flashlight from a front-side angle, highlighting its compact design and textured body.
2. Prodotto finitoview e Caratteristiche
The Nitecore EDC31 is a high-performance compact flashlight designed for everyday carry and tactical applications. It features advanced technology and robust construction.
Caratteristiche principali:
- GUIDATO: Utilizes a 9-core UHi 20 MAX LED with a maximum output of 3,500 lumens.
- Distanza del fascio: Achieves a peak beam intensity of 35,630cd and a maximum throw of 380 meters.
- Modalità di luminosità: Offers 4 brightness levels, including specialized SEARCH and LUMIN SHIELD modes.
- Batteria: Powered by a built-in 3,800mAh Li-ion battery, providing a runtime of up to 57 hours.
- Ricarica: Features an intelligent Li-ion battery charging circuit with a USB-C charging port.
- Blocco: Equipped with a Rapid Lock™ switch for Half Lockout Mode and Full Lockout Mode to prevent accidental activation.
- Costruzione: Constructed from aluminum alloy with a HA III military-grade hard-anodized finish.
- Durata: IP68 rated for waterproofing and dustproofing (2 meters submersible) and impact resistant to 2 meters.
- Tecnologia: Incorporates Advanced Power Cut-Off (APC) technology for ultra-low standby power consumption and an Advanced Temperature Regulation (ATR) module.

Immagine 2: Passoview of Nitecore EDC31 key features. This image highlights the 9-core UHi 20 MAX LED, Rapid Lock mechanism, LUMIN SHIELD output, and compact design.

Image 3: NiteLab UHi LED technology. This image explains the UHi LED family and its design for optimal lighting effect and beam distance.
3. Impostazione
3.1 Disimballaggio
Dopo aver aperto la confezione, assicurarsi che siano presenti tutti i componenti:
- Nitecore EDC31 Flashlight (with built-in battery)
- Cavo di ricarica USB-C
- Lanyard (if included in your specific package)
- Pocket Clip (pre-installed or included)
3.2 Addebito iniziale
Before first use, it is recommended to fully charge the flashlight. Connect the USB-C charging cable to the flashlight's charging port and a power source (e.g., USB wall adapter, computer USB port). The power indicators will show charging status.
4. Istruzioni per l'uso
4.1 Tactical Tail Button Operation
The EDC31 features a tactical tail button for intuitive control:
- Mezza pressione: Adjusts brightness levels or accesses SEARCH mode.
- Comunicato stampa completo: Turns the flashlight On/Off or activates LUMIN SHIELD.

Image 4: Tactical Tail Button for intuitive operation. This image illustrates the functions of a half press (brightness adjustment/SEARCH) and a full press (On/Off/LUMIN SHIELD).
4.2 Brightness Levels and Special Modes
The flashlight offers 4 standard brightness levels and two special modes:
- Modalità standard: Cycle through various brightness levels with a half press of the tail button when the light is on.
- SEARCH Mode: From off, half press and hold the Tactical Tail Button to access SEARCH mode (1500 Lumens, 380m range). Release to turn off. Note: SEARCH mode is unavailable in Full Lockout Mode.
- LUMIN SHIELD: From off, full press and hold the Tactical Tail Button to activate LUMIN SHIELD (3500 Lumens). Release to turn off.

Image 5: Tactical SEARCH Mode demonstration. This image shows the flashlight beam reaching 380 meters, illustrating its ultra-long-range coverage.
5. Lockout Modes
The EDC31 features a Rapid Lock™ mechanism to prevent accidental activation:
- Modalità mezzo blocco: Slide the Rapid Lock™ to the first position. This prevents accidental full presses but allows access to momentary SEARCH and LUMIN SHIELD modes.
- Modalità di blocco completo: Slide the Rapid Lock™ to the second position. This completely disables all functions of the flashlight, preventing any accidental activation.
- Sbloccare: Slide the Rapid Lock™ back to the unlocked position to resume normal operation.

Image 6: Rapid Lock™ for seamless operation. This image provides a close-up view of the Rapid Lock switch, demonstrating its two lockout positions.
6. Ricarica
The EDC31 is equipped with a built-in 3,800mAh Li-ion battery and a USB-C charging port.
6.1 Procedura di ricarica
- Individuare la porta di ricarica USB-C sulla torcia.
- Connect the provided USB-C cable to the flashlight and a USB power source.
- Gli indicatori di alimentazione si illumineranno per mostrare lo stato di carica.
- Charging is complete when all power indicators are steadily lit.

Image 7: Built-in 3800 mAh Li-ion Battery. This image shows the internal battery, emphasizing its high capacity and USB-C rechargeability.
6.2 Power Level Display
The flashlight features power indicators to display the remaining battery power:
- 4 Constant-on: 75% - 100%
- 3 Constant-on: 50% - 75%
- 2 Constant-on: 25% - 50%
- 1 Constant-on: 0% - 25% (Please charge the product as soon as possible)

Image 8: Power Level Display. This image illustrates the four-segment power indicator lights on the flashlight, showing battery status from 0% to 100%.
7. Manutenzione
7.1 Pulizia
Pulire regolarmente il corpo della torcia con un panno morbido eamp cloth. For the lens, use a lens cleaning cloth to avoid scratches. Do not use harsh chemicals or abrasive materials.
7.2 Impermeabilizzazione
The EDC31 is IP68 rated, meaning it is dustproof and submersible to 2 meters. Ensure the USB-C port cover is securely closed before exposing the flashlight to water.
7.3 Conservazione
Store the flashlight in a cool, dry place. For long-term storage, it is recommended to charge the battery to approximately 50% every three months to maintain battery health.
8. Risoluzione Dei Problemi
If you encounter issues with your Nitecore EDC31, refer to the following common problems and solutions:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| La torcia non si accende. | La batteria è scarica. La torcia è in modalità di blocco. | Caricare la batteria. Disengage the Rapid Lock™ switch. |
| L'emissione luminosa è debole o tremolante. | Batteria scarica. Contatto scarso. | Ricaricare la batteria. Ensure the tail cap is tightened. |
| La torcia si surriscalda durante l'uso. | High brightness mode used for extended periods. | This is normal due to the Advanced Temperature Regulation (ATR) module. Reduce brightness if discomfort occurs. |
| La ricarica non si avvia. | Problema con il cavo o con la fonte di alimentazione. Ostruzione della porta di ricarica. | Prova un cavo USB-C o una fonte di alimentazione diversa. Controllare che non vi siano detriti nella porta di ricarica. |
Se il problema persiste dopo aver provato queste soluzioni, contattare l'assistenza clienti Nitecore.
9. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Uscita massima | 3,500 lumen |
| Distanza massima del raggio | 380 metri |
| Intensità massima del raggio | 35,630 dollari |
| Autonomia massima | 57 ore e 0 minuti |
| GUIDATO | NiteLab UHi 20 MAX (9-core) |
| Riflettore | OP (Orange Peel) |
| Batteria | Batteria agli ioni di litio da 3,800 mAh integrata |
| Modalità speciali | LUMIN SHIELD, SEARCH |
| Lunghezza | 113.2 mm (4.46 pollici) |
| Dimensioni della testa | 23.0 mm (0.91 pollici) |
| Peso | 100 g (3.53 once) |
| Materiale | Aluminum Alloy (HA III Military Grade Hard-Anodized Finish) |
| Grado di impermeabilità | IP68 (sommergibile 2 metri) |
| Resistenza all'impatto | 2 metri |
| Porta di ricarica | USB-C |
10. Garanzia e supporto
10.1 Garanzia del produttore
Nitecore products are covered by a warranty against defects in materials and workmanship. Please refer to the official Nitecore websito o nella documentazione di acquisto per i termini e la durata specifici della garanzia.
10.2 Assistenza clienti
For technical assistance, warranty claims, or further inquiries, please contact Nitecore customer support through their official websito o il rivenditore da cui hai acquistato il prodotto.