1. Introducció
The Streamlight Stinger 2020 S is a high-performance, rechargeable LED flashlight designed for professional use. It features multiple lighting modes, a durable aluminum alloy body, and advanced battery technology for extended runtime. This manual provides essential information for the proper setup, operation, and maintenance of your Stinger 2020 S flashlight.

Figure 1: Streamlight Stinger 2020 S Flashlight with Piggyback Charger. The image displays the blue flashlight alongside its grey piggyback charging cradle, which also holds a spare battery.
2. Característiques clau
- High, Medium, Low, and Strobe Modes: Versatile lighting options for various situations.
- Intuitive Mode Switch: Easy selection of high, medium, or low settings.
- Push-button Head Switch: Includes a battery status indicator.
- Construcció duradora: Premium quality aluminum alloy body with ergonomic, anti-roll design and textured grip.
- Resistència a l'aigua i impactes: High temperature, shock-mounted, corrosion-resistant, and impact-resistant BOROFLOAT® glass lens. IPX7 waterproof to 1 meter for 30 minutes.
- Bateria recarregable: Utilizes a 5,200 mAh Li-Ion rechargeable battery pack.
- Piggyback Charging Options: Allows for charging the flashlight and a spare battery simultaneously, doubling runtime.

Figure 2: Diagram illustrating key features of the Stinger 2020 S, including the mode switch, ergonomic design, and piggyback charging options.
3. Configuració i càrrega
Before first use, fully charge the flashlight battery. The Stinger 2020 S comes with a Lithium Ion battery pack (included).
3.1 Càrrega inicial
- Connect the charging cord to the charger base and plug it into a suitable power outlet (AC or DC, depending on your charger model).
- Insert the Stinger 2020 S flashlight into the charging cradle. Ensure it is securely seated. The charging indicator light on the charger will illuminate to confirm charging is in progress.
- For models with a Piggyback charger, you can also insert a spare battery into the secondary slot for simultaneous charging.
- Allow the flashlight to charge until the indicator light changes, typically indicating a full charge. Refer to your specific charger's instructions for exact indicator behavior.
3.2 Battery Installation/Removal (if applicable)
While the battery is typically pre-installed, if replacement is needed:
- Desenrosqueu la tapa de la cua de la llanterna.
- Traieu amb cura la bateria antiga.
- Insert the new Streamlight Li-Ion battery with the positive (+) terminal facing towards the head of the flashlight.
- Torneu a enroscar la tapa de la cua de manera segura.
4. Instruccions de funcionament
The Stinger 2020 S features an intuitive mode switch for easy operation.
4.1 Selecció del mode
The flashlight has a sliding switch located on the body to select between High, Medium, and Low output modes. A separate push-button switch on the head controls power and strobe.
- Mode alt: Slide the switch to the "HI" position. Provides maximum illumination.
- Mode mitjà: Slide the switch to the "MED" position. Offers a balanced output for general use.
- Mode baix: Slide the switch to the "LO" position. Ideal for extended runtime or close-up tasks.
4.2 Power On/Off and Strobe
- Per activar/desactivar: Press the push-button switch on the head of the flashlight.
- To Activate Strobe: Rapidly double-press the push-button switch. Press again to turn off strobe.
4.3 Output and Runtime Specifications
| Mode | Llums | Distància del feix | Temps d'execució |
|---|---|---|---|
| Alt | 2,000 | 315 m | 2 hores |
| Mitjana | 850 | 200 m | 4 hores |
| Baixa | 100 | 70 m | 24 hores |
| Strobe | N/A | N/A | 3.25 hores |
5. Manteniment
Proper maintenance ensures the longevity and optimal performance of your Streamlight Stinger 2020 S.
- Neteja: Wipe the flashlight body with a damp tela. No utilitzeu netejadors abrasius ni dissolvents.
- Juntes tòriques: Periodically inspect and lubricate the O-rings with silicone grease to maintain water resistance. Replace if damaged.
- Cura de la bateria: For best battery life, avoid fully discharging the battery frequently. Recharge as needed. If storing for extended periods, charge the battery every few months.
- Lent: Clean the glass lens with a soft, lint-free cloth.
The Stinger 2020 S is designed to be waterproof to IPX7 standards (submersible to 1 meter for 30 minutes). Ensure all seals are intact and caps are tightened before exposing to water.
6. Solució De Problemes
If your Streamlight Stinger 2020 S is not functioning as expected, refer to the following common issues and solutions:
- La llanterna no s'encén:
- Assegureu-vos que la bateria estigui completament carregada.
- Check that the battery is inserted correctly with the positive (+) terminal facing the head.
- Verify that the tail cap is screwed on tightly.
- Netegeu els contactes de la bateria amb un drap net.
- La llum és tènue o parpelleja:
- Recarregueu la bateria.
- Comproveu si hi ha connexions soltes o contactes bruts.
- L'indicador de càrrega no funciona:
- Assegureu-vos que el carregador estigui ben connectat a una font d'alimentació.
- Verify the flashlight is correctly seated in the charging cradle.
If issues persist after attempting these solutions, contact Streamlight customer support for further assistance.
7. Especificacions
| Característica | Detall |
|---|---|
| Marca | Streamlight |
| Número de model | 78231 |
| Font d'alimentació | Funciona amb bateria |
| Tipus de font de llum | LED |
| Brillantor blanc | 2000 lúmens (alt) |
| Composició de les cèl·lules de la bateria | Ió de liti |
| Nombre de bateries | 1 (inclòs) |
| Nivell de resistència a l'aigua | Impermeable (IPX7) |
| Pes de l'article | 2.15 lliures (aprox. 0.975 kg) |
| Dimensions del producte | 10.13 x 6.25 x 4.25 polzades |
| Runtime (Max) | 24 hours (Low) |
| UPC | 080926782310 |
8. Accessoris
A range of official Streamlight accessories are available to enhance the functionality and versatility of your Stinger 2020 S flashlight. These include various charging cords, holsters, and safety wands.

Figure 3: A selection of available accessories for the Streamlight Stinger 2020 S, including various charging cables, holsters, and colored safety wands.
For a complete list of compatible accessories and their part numbers, please refer to the official Streamlight weblloc web o l'embalatge del producte.
9. Garantia i Suport
Streamlight products, including the Stinger 2020 S, are backed by a limited lifetime warranty. This warranty covers defects in material and workmanship for the lifetime of the product, excluding batteries, bulbs, abuse, and normal wear and tear.
For detailed warranty information, to register your product, or for technical support, please visit the official Streamlight weblloc:
You may also contact Streamlight customer service directly for assistance with product inquiries, parts, or service.





