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Eotech Laser Battery Cap LBC - Visible Red or IR Laser - for 512/518/552/558

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Shipping cost is $5.50 for orders under $35. We ship with UPS and USPS. 

Most orders ship out within 24 hours

You will receive tracking information immediately at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses.  

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at We may direct you to pursue your warranty claim directly with the manufacturer.

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If you're dissatisfied with your purchase, in any way, please contact us at - we will do our best to make it right.

Product Options

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The Laser Battery Cap (LBC) is a drop in replacement that fits the 512/552/518/558 EOTech Holographic Weapon Sights.

There are 2 options available:

  • Visible red laser (part number LBC)
  • IR & Visible Red Laser (part number LBC2)

Simply remove your existing battery cap and replace it with the new LBC, and the lightning fast target acquisition from your red dot sight is expanded to include the versatility of an integrated aiming laser. This improved aiming capability will prove ideal for home defense or force-on-force training.

The LBC also features an integrated accessory port that allows for the use of a CFL-053-4 remote pressure switch, available for purchase separately.

Product Details


  • 2.75" x 2.77" x 0.96" (69.9 x 70.6 x 24.4 mm)


  • 4.1oz (114 g)

Water Resistant:

  • Submersible to 10 ft (3 m) depth

Power Source:

  • Two 1.5 V AA batteries
  • Lithium are recommended, run-time results with alkaline vary

Battery Life:

  • Lithium: 60 continuous hours at nominal setting 12 with laser on at room temp.
  • Alkaline: 50 continuous hours at nominal setting 12 with laser on at room temp.

Visible Aiming Laser:

  • Output Power: < 5mW
  • Wavelength: 635 nm (Nominal)
  • Class IIIR
  • Fully adjustable windage and elevation

IR Aiming Laser:

  • Output Power: < 0.7 mW
  • Wavelength: 830 nm (Nominal)
  • Class I
  • Fully adjustable windage and elevation

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