The optional external battery pack can be connected to a Night Vision Devices BNVD equipped with an external power port in order to extend the operating life of the system.
To ensure compatibility, when purchasing a BNVD be sure to choose the external power port add-on.
The battery pack is powered by either 3 AA 1.5 Vdc Alkaline batteries or 3 AA 1.8 Vdc Lithium batteries, providing an additional 50+ or 100+ operating hours respectively.
The battery pack is 2.7 x 0.9 x 2.5 inches (L x W x H) with a cord length of approximately 24 inches and weighs approximately 72 grams without batteries.
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