Introduction
Thank you for choosing the GISAEV C001 Rechargeable LED Tactical Flashlight. This high-performance flashlight delivers an impressive 3800 lumens, offering exceptional brightness and a wide beam range. Designed for versatility and durability, it features three lighting modes, adjustable focus, and IPX6 water resistance, making it suitable for various indoor and outdoor applications. This manual provides essential information for safe operation, maintenance, and troubleshooting.
Safety Information
- Do not shine the flashlight directly into eyes. The intense light can cause temporary vision impairment or permanent eye damage.
- Keep out of reach of children.
- Do not disassemble the flashlight. This may void the warranty and cause damage.
- Use only the provided or recommended charging cable.
- Avoid exposing the flashlight to extreme temperatures or direct sunlight for prolonged periods.
- Ensure the charging port cover is securely closed before exposing the flashlight to water.
Package Contents
Please check the package contents upon receipt:
- 2 x GISAEV C001 Flashlights
- 2 x USB-C Charging Cables
- 1 x User Manual
Product Overview
Familiarize yourself with the components of your GISAEV C001 flashlight:

Image: Overview of the GISAEV C001 flashlight, highlighting its key features such as the upgraded LED chip, power switch, USB-C charging port, non-slip hollow design, and aviation-grade aluminum alloy construction. The image also shows the adjustable head for focus control and the rear cover.
- Upgraded LED Chip: Provides powerful and efficient illumination.
- Adjustable Head: Allows for telescopic adjustment between spot and flood beams.
- Power Switch: Controls power and light modes.
- Power Display: Four blue LEDs indicate battery charge level.
- USB-C Charging Port: For fast and convenient recharging.
- Aviation Grade Aluminum Alloy: Ensures durability and efficient heat dissipation.
- Non-slip Hollow Design: Provides a secure grip.
Setup
Initial Charging
Before first use, fully charge the flashlight. The built-in Type-C high-speed charging port allows for quick recharging, typically within 4 hours.

Image: The flashlight connected to a USB-C charging cable, illustrating the fast charging capability. The power display LEDs show the current charge status (25%, 50%, 75%, 100%).
- Locate the USB-C charging port, usually protected by a rubber cover.
- Open the rubber cover and insert the provided USB-C cable.
- Connect the other end of the cable to a USB power source (e.g., wall adapter, computer, power bank).
- The power display LEDs will illuminate to indicate charging status. All four LEDs will be solid when fully charged.
- Once charging is complete, disconnect the cable and securely close the rubber cover to maintain water resistance.
Operating Instructions
Power On/Off
- Press the power switch once to turn the flashlight ON.
- To turn OFF the flashlight, press and hold the power switch for 2 seconds from any mode. Alternatively, if the flashlight has been on a steady beam mode for more than 30 seconds, a single press will turn it off.
Changing Light Modes
The GISAEV C001 features three lighting modes: High, Medium, and Strobe.

Image: Visual representation of the three distinct lighting modes: High for maximum brightness, Medium for balanced illumination, and Strobe for signaling or disorientation.
- With the flashlight ON, press the power switch repeatedly to cycle through the modes: High → Medium → Strobe.
- The flashlight will remember the last used mode when turned off and on again, unless the quick shut-off feature is used.
Adjustable Focus (Zoom Function)
The flashlight features a telescopic head that allows you to adjust the beam from a wide floodlight to a narrow spotlight.

Image: The flashlight projecting a powerful, wide beam, illustrating its capability to illuminate a broad area up to 3280 feet (approximately 1000 meters) in distance.

Image: A close-up of the flashlight's head, indicating the zoom mechanism with 'IN' and 'OUT' positions and various magnification levels (e.g., X1, X250, X500, X1000, X2000). This demonstrates the adjustable focus feature.
- Gently pull the head of the flashlight outwards to narrow the beam and achieve a long-distance spotlight (up to 3000 feet).
- Push the head of the flashlight inwards to widen the beam and achieve a broad floodlight for illuminating larger areas.
Maintenance
- Cleaning: Wipe the flashlight body with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, charge the battery every 3-6 months to maintain battery health.
- Water Resistance: Always ensure the USB-C charging port cover is fully sealed to maintain the IPX6 water resistance rating.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery is depleted. | Charge the flashlight using the provided USB-C cable. |
| Light is dim or flickers. | Low battery charge. | Recharge the flashlight. |
| Flashlight gets hot during use. | Normal operation, especially on High mode. | This is normal. If it becomes excessively hot or uncomfortable to hold, turn it off and allow it to cool down. |
| Charging indicator lights do not work. | Charging cable or power source issue. | Try a different USB-C cable or power adapter. Ensure connections are secure. |
Specifications
| Feature | Specification |
|---|---|
| Brand | GISAEV |
| Model Number | C001 |
| Light Source Type | LED |
| Maximum Light Output | 3800 Lumens |
| Beam Distance | Up to 500 meters (approx. 1640 feet) / 3000 feet (approx. 914 meters) for spotlight |
| Power Source | Battery Powered (Rechargeable) |
| Battery Composition | Nickel Cadmium (Note: Product description implies Li-ion, but spec says NiCd. Assuming product description is more accurate for modern flashlights, but listing NiCd as per provided data.) |
| Run Time (Low Mode) | Up to 15 hours |
| Charging Time | Approximately 4 hours |
| Water Resistance Level | IPX6 (Water Repellent) |
| Material | Aluminum Alloy |
| Color Temperature | 1000 Kelvin |
| Dimensions (L x W x H) | 5.1 x 5.1 x 5.1 cm |
Warranty and Support
GISAEV provides a 2-year warranty and 7x24 hours after-sales service for this product. We carefully check all tactical flashlights before delivery to ensure they function correctly. If you have any questions or concerns, please do not hesitate to contact us. We are responsible for resolving all quality-related issues.
For support, please refer to the contact information provided with your purchase or visit the official GISAEV website.