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The D-Boys BI-09 PEQ-2 Battery Box is a replica of the AN/PEQ-2 night vision laser emitter. However, the purpose of this replica is to hold airsoft battery for AEG.
The D-Boys BI-09 PEQ-2 Battery Box comes in a nice transparent package shown in the photos above and below. The packaging is heavy duty to compared to any other airsoft accessories that I have seen. The bag is really thick and feels reusable.
The package contains the plastic PEQ-2 replica and a sticker sheet. Because the PEQ-2 is made out of hollow plastic, it feels rather light. The sticker sheet has two of each sticker.
This D-Boys BI-09 PEQ-2 Battery Box is a fake replica. Therefore, none of the buttons, knobs, and indicators (shown below) function. They are just there for looks.
The D-Boys BI-09 PEQ-2 Battery Box comes with a Picatinny weaver mount. The mount is made out of plastic, but is not molded onto the PEQ-2 box. Instead, two hex screws fastens the mount onto the PEQ-2 box. Therefore, you can replace the mount with another suitable mount or use the current mount for other purposes. The plastic Picatinny weaver mount has a 2.5mm hex nut (see photo below) for fastening to the rail on your gun.
It seemed to me that the length of the screw is too short. To mount it, I had unscrew it completely before I can get it to fit onto the rail. That made attaching to the rail much harder than if the screw had been slightly longer. But once I went through the hassle, the PEQ-2 mounts to the gun just fine.
The D-Boys BI-09 PEQ-2 Battery Box did not come with instructions. Therefore, it took me quite some time to figure out how to open the box. At first, I tugged the end cap, thinking that it is simply attached via fiction. But when I saw metal enforcement inside the seam, I realized that it has a more complicated mechanism.
It turned out that the mode knob on top of the box was actually a screw. Unscrewing it allowed the end cap to detach from the battery box (see photo below). There was nothing else holding the end cap in place on the box, therefore, closing the box was a two-handed operation.
After removing the end cap, it's apparent that the two replica laser lenses in front are clear plastic (see photo below). You can actually try to mount real visible or invisible lasers in this things. I may even try a pen-like flashlight in the future.
The D-Boys BI-09 PEQ-2 Battery Box is rather large. It can actually hold a 8.4v stick battery pack and a 9.6v nunchuck battery pack side-by-side with room to spare (see photo below).
Normally, you'd see the PEQ-2 battery box on a M4, because the AN/PEQ-2 is a standard U.S. military issue. However, the photo below shows it mounted to a H&K MP5. Actually looks quite decent.
The photo below shows the other side of the MP5 for comparison.
Although the D-Boys BI-09 PEQ-2 Battery Box already serves it's primary function well, it is such a pity to use it only as a battery box. Afterall, it looks like a real night vision IR laser and illumination device. Wouldn't it be nice if it is more functional? In this section, we are going to present some modification ideas for this battery box.
The "Hacking Digital Cameras" book (see "Related Links" below) has a full chapter on infrared (IR) and ultraviolet (UV) illumination. It includes instructions and parts list to build your own illuminator, which you can use for this project.