Rix Tactical Extended Battery for RNV-31 and PVS-14

BP-31 battery pack with 2pcs 18650 batteries is used for mounting a helmet, providing 50+ hours operating time to NVG and 8+ hours operating time to fusion goggles. The operation is simple and fast, and can be activated by pressing a button. It comes with a minimum of 15 inch long cable and two additional battery pack covers that can accommodate 18690 batteries. It also has a certain waterproof level.