1. Introduction
The ACEBEAM TAC AA 2.0 is a high-performance, compact tactical EDC (Everyday Carry) flashlight designed for versatile use. It features a powerful LED, multiple lighting modes, and robust construction for reliability in various environments.
- Longest-range AA Flashlight: Utilizes a high-performance LED with a cool white 6500K color temperature, offering a maximum output of 1,000 lumens and a 280-meter beam distance. Features 6 EDC and Tactical modes for diverse applications like dog walking, emergency, camping, and hiking.
- Rechargeable and AA Compatible: Comes with one rechargeable battery for sustainable use. The TAC AA is also compatible with any standard AA battery type, providing flexibility if the rechargeable battery is depleted.
- Small and Powerful: Measuring 4.1 inches long and less than an inch wide, and weighing 2.6oz, this flashlight is extremely portable and can be easily carried in a purse, backpack, or pocket.
- Versatile Tactical EDC Flashlight: Equipped with two stainless steel body clips, allowing it to be securely attached to backpacks and belts. Its tail standing function makes it ideal for EDC, emergency situations, camping, hiking, night walking, and fishing.
- Reliable and Sturdy: Constructed from hard-anodized aircraft-grade aluminum alloy, it boasts 1.5-meter impact resistance and an IP68 waterproof and dustproof rating, ensuring durability in challenging conditions.
2. What's in the Box
Upon opening your ACEBEAM TAC AA 2.0 package, you should find the following components:
- TAC AA 2.0 Flashlight (Battery Included) x 1
- Lanyard x 1
- Diffuser x 2 (Red and White)
- O-rings x 2 (Spare)
- USB Cable x 1
- User Manual x 1

The ACEBEAM TAC AA 2.0 flashlight, showcasing its compact design and integrated pocket clip.
3. Setup
Follow these steps to prepare your flashlight for first use:
- Battery Installation:
Unscrew the head of the flashlight. Insert the included 14500 Li-ion battery with the positive (+) end facing towards the head (LED side). Screw the head back on securely.

A close-up of the custom rechargeable battery with its integrated Type-C charging port, highlighting its 920mAh capacity and compatibility with standard AA and NiMH batteries.
- Initial Charging:
The included 14500 Li-ion battery has a built-in USB-C charging port. Connect the provided USB cable to the battery and a compatible USB power source (not included) to charge. The battery indicator light on the battery itself will show charging status (e.g., red for charging, green for full).
4. Operating Instructions
The TAC AA 2.0 features a tactical tail switch for operation.
- Power On/Off: Fully press the tail switch to turn the flashlight on or off.
- Mode Switching: With the light switched ON, half-press the switch to cycle through the available modes. The flashlight has two main mode groups: EDC and Tactical. The specific modes and their sequence are detailed in the technical specifications section.
- Memory Function: The flashlight will remember the last used output level (except for Strobe and SOS) if it is turned off for more than 3 seconds. If turned off for less than 3 seconds, it will advance to the next mode in the sequence upon turning on again.

A visual guide detailing the six distinct lighting modes available on the TAC AA 2.0, accessible via its tactical tail switch.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your flashlight.
- Cleaning: Regularly clean the flashlight's body and threads with a soft, damp cloth. If necessary, apply a small amount of silicone grease to the O-rings to maintain water resistance and prevent wear.
- O-Ring Care: Periodically inspect the O-rings for any signs of wear, cracks, or damage. Replace them with the provided spare O-rings if necessary to ensure the IP68 waterproof rating is maintained.
- Battery Care: Store the battery with care, away from extreme temperatures. If the flashlight will not be used for an extended period (e.g., several months), it is recommended to remove the battery to prevent potential damage from leakage or over-discharge.
6. Specifications
The following table outlines the technical specifications of the ACEBEAM TAC AA 2.0 Flashlight:
| Feature | Specification |
|---|---|
| Light Source Type | LED |
| Color Temperature | 6500 Kelvin |
| Maximum Output | 1000 Lumens |
| Beam Distance | 280 Meters |
| Max Intensity | 19600 cd |
| Max Runtime (Ultra-Low Mode) | 58 hours |
| Impact Resistance | 1.5 Meters |
| Waterproof Rating | IP68 (Submersible to 2 Meters) |
| Material | Aircraft-grade Aluminum Alloy |
| Product Dimensions (D x W x H) | 0.74"D x 0.97"W x 4.13"H |
| Item Weight | 2.6 Ounces (with battery) |
| Power Source | Battery Powered (1 C battery included) |
| Battery Type | 14500 Li-ion (920mAh, Type-C rechargeable) / Compatible with standard AA batteries |

An illustrative diagram highlighting the key performance specifications of the TAC AA 2.0 flashlight, including its maximum output, beam distance, and durability ratings.

An image demonstrating the compact size of the TAC AA 2.0 flashlight, held in a hand, with its precise dimensions and weight listed.

The flashlight is shown in a rainy environment, emphasizing its IP68 waterproof rating (submersible up to 2 meters) and 1.5-meter impact resistance.
7. Troubleshooting
If you encounter any issues with your ACEBEAM TAC AA 2.0 flashlight, refer to the following common problems and solutions:
- Light does not turn on:
- Ensure the battery is correctly inserted with the positive (+) end facing towards the head (LED side).
- Check if the battery is charged.
- Ensure the tail cap is fully tightened.
- Light output is dim or flickering:
- Recharge the battery.
- Ensure the battery contacts are clean and free of debris.
- Check for any loose connections between the head and body.
- Water ingress:
- Ensure all O-rings are properly seated in their grooves and lubricated.
- Verify the head and tail cap are fully tightened before exposing the flashlight to water.
8. Warranty and Support
ACEBEAM is committed to providing high-quality products and customer satisfaction.
- Product Warranty:
ACEBEAM offers a 5-year warranty on the flashlight from the date of purchase. This warranty covers manufacturing defects and workmanship. The included rechargeable battery and accessories are covered by a 1-year warranty.
- Exclusions:
The warranty does not cover damage caused by misuse, unauthorized modifications, disassembly, or normal wear and tear. Damage resulting from improper battery usage or storage is also not covered.
- Support:
For warranty claims, technical assistance, or any other inquiries, please contact ACEBEAM customer service through their official website or authorized dealers. Refer to the original user manual for specific contact details.







