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The FMA PVS-31 battery pack with L-connector (FMA PVS-31 Battery Case with Function) is designed for powering PVS-31 binocular night vision devices and other NVGs that use the BNVD cable standard.
The battery pack supports AA batteries, features an integrated infrared strobe for identification, and uses an L-shaped connector to reduce cable strain during helmet-mounted operation. The design focuses on durability, simplicity, and field reliability.
🎖️ We are a veteran team
In real operational use, autonomy alone is not enough — cable durability and weight balance are critical. The FMA PVS-31 battery pack with L-connector reduces cable stress, allows blind operation of controls, and serves as a counterweight on the helmet. These factors are essential during extended night operations and continuous movement.
⚙️ Technical specifications
| Parameter | Value |
|---|---|
| Compatibility | PVS-31 and other BNVD-cabled NVGs |
| Power source | AA batteries |
| Battery capacity | Up to 4 × AA (not included) |
| Minimum operating setup | One battery per compartment |
| Operating voltage | 3 V |
| Input voltage | 2.0 – 3.5 V |
| IR strobe | Integrated |
| IR wavelength | 820 – 850 nm |
| Connector type | ANVS – BNVD with L-connector |
| Housing material | Impact-resistant nylon |
| Protection | Moisture, dust, impact |
| Dimensions | 88 × 85 × 40 mm |
| Weight | 115 g |
| Mounting method | Velcro (included) |
💬 Comment / quality level
This is a practical field-grade component, not a cosmetic accessory. The L-connector significantly reduces cable stress compared to straight connectors, improving long-term reliability. Materials and contact design are optimized for sustained operational use rather than occasional handling.
🎯 Suitable for
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military and reserve units
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binocular NVG operators
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helmet-mounted cable-powered systems
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NVG service and maintenance facilities
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veteran and volunteer technical teams