1. Introduction
Thank you for choosing the ACEBEAM E75 4500 High Lumens Flashlight. This powerful and versatile flashlight is designed for various applications, including outdoor activities, searching, camping, hiking, and everyday carry (EDC). It features a magnetic base, USB Type-C rechargeable battery, and multiple lighting modes. Please read this manual thoroughly before use to ensure proper operation and maintenance.
2. Safety Information
- Do not shine the flashlight directly into eyes. The high lumen output can cause temporary vision impairment.
- Keep out of reach of children.
- Do not disassemble the sealed head of the flashlight, as this may cause damage to the flashlight and void the warranty.
- Use only the recommended battery type. Improper battery use can lead to damage or explosion.
- The flashlight may become hot during prolonged use, especially in high output modes. Handle with care.
- Ensure the USB port cover is securely closed to maintain water resistance.
3. Package Contents
- ACEBEAM E75 Flashlight
- Rechargeable Lithium-Ion Battery (pre-installed or separate)
- USB Type-C Charging Cable
- Lanyard
- Spare O-rings
- User Manual
4. Product Overview
The ACEBEAM E75 is a high-performance flashlight featuring four LEDs, a magnetic tail cap, and a side switch for intuitive control. Its robust aluminum construction ensures durability and IPX8 water resistance.

Figure 1: Main view of the ACEBEAM E75 Flashlight, showcasing its robust design and textured body.

Figure 2: Side view of the ACEBEAM E75 Flashlight, highlighting the integrated pocket clip for secure carrying.

Figure 3: The ACEBEAM E75 Flashlight shown with its included lanyard attached, providing an additional carrying option.

Figure 4: Diagram illustrating the key features of the E75: quad-core high-performance LEDs, 4500 lumens maximum output, Type-C rechargeable battery, and magnetic tail cap.

Figure 5: The magnetic base of the E75 Flashlight demonstrated, allowing it to attach to metallic surfaces for hands-free operation.
5. Setup
5.1 Battery Installation
- Unscrew the tail cap of the flashlight counter-clockwise.
- Insert the included 21700 Lithium-Ion battery with the positive (+) terminal facing towards the head of the flashlight.
- Screw the tail cap back on clockwise until it is fully tightened. Ensure the O-rings are properly seated to maintain water resistance.
5.2 Initial Charging
Before first use, it is recommended to fully charge the battery.
- Locate the USB Type-C charging port on the flashlight body, usually covered by a rubber flap.
- Open the rubber flap and connect the USB Type-C cable to the port.
- Connect the other end of the cable to a USB power source (e.g., computer, wall adapter).
- The battery indicator around the side switch will show charging status.
6. Operating Instructions
The ACEBEAM E75 features an all-in-one side switch for convenient operation of all lighting modes.

Figure 6: Diagram detailing the functions of the all-in-one control switch on the ACEBEAM E75 Flashlight.
- On/Off: Single click the side switch to turn the flashlight on or off.
- Output Selection: With the light on, press and hold the switch to cycle through Low, Med1, Med2, and High modes. Release the switch at your desired mode. The flashlight will memorize the last selected mode for future use.
- Turbo: When the light is unlocked, quickly double-click the switch at any time to activate Turbo mode. Double-click again to switch between Turbo and the previously memorized mode.
- Strobe: When the light is unlocked, quickly triple-click the switch at any time to activate Strobe mode.
- Moonlight: When the light is unlocked and off, press and hold the switch for 0.5 seconds to access Moonlight mode.
- Lock/Unlock: When the light is off, press and hold the switch for 3 seconds to lock the flashlight. The indicator light will flash to confirm. To unlock, press and hold the switch for 3 seconds until the light turns on in Moonlight mode.
7. Charging and Battery Indicator
The E75 features a built-in USB Type-C charging port and a battery level indicator for convenient power management.

Figure 7: Close-up of the Type-C charging port and the battery level indicator on the E75 Flashlight.

Figure 8: Visual representation of the power indicator levels on the E75 Flashlight.
- Charging Status:
- Red Flash: Charging
- Green On: Fully Charged
- Battery Level Indicator (when light is on):
- Green Light: >20% remaining power
- Red Light: 20% - 10% remaining power (low battery warning)
- Red Flash Light: <10% remaining power (critical battery level)
8. Maintenance
- Cleaning: Clean the flashlight body with a soft, damp cloth. Do not use abrasive cleaners.
- Threads and O-rings: Lubricate the threads and O-rings regularly with silicone grease to maintain water resistance and smooth operation. Replace O-rings if they appear damaged.
- Battery Care: 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.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery is depleted or incorrectly inserted. Flashlight is locked. | Charge the battery or ensure it is inserted with the positive (+) terminal facing the head. Unlock the flashlight by pressing and holding the switch for 3 seconds. |
| Light output is dim or flickers. | Low battery. Loose connections. | Recharge the battery. Ensure the tail cap is fully tightened. |
| Flashlight gets excessively hot. | Prolonged use in high output modes. | This is normal for high-lumen flashlights. Reduce output mode or allow to cool down. |
| Water ingress. | USB port cover not sealed. Damaged O-rings. | Ensure the USB port cover is fully closed. Inspect and replace O-rings if damaged. |
10. Specifications
| Feature | Detail |
|---|---|
| Model | E75 |
| Light Source | 4 High Performance LEDs (Cool White 6500K) |
| Maximum Output | 4500 Lumens |
| Beam Distance | 260 meters |
| Power Source | 1 x 21700 Lithium-Ion Battery (included) |
| Charging | USB Type-C Rechargeable |
| Material | Hard Anodizing Aircraft Grade Aluminum Alloy |
| Water Resistance | IPX8 (Submersible to 2 meters) |
| Impact Resistance | 1.5 meters |
| Dimensions | 5.09" (Length) x 1.37" (Head Diameter) x 1.1" (Body Diameter) |
| Weight | 7.65 Ounces (excluding battery) |
| Special Features | Magnetic Base, Battery Level Indicator, Mode Memory |
11. Warranty and Support
ACEBEAM products are manufactured with high-quality materials and craftsmanship. For warranty information, technical support, or service inquiries, please contact ACEBEAM customer service directly or visit the official ACEBEAM website. Please retain your proof of purchase for warranty claims.
12. Environmental Protection
Please dispose of batteries and electronic components responsibly. Do not dispose of batteries in household waste. Consult your local regulations for proper battery recycling and disposal procedures.





