• Overcharge and short circuit protection is wired into the NOCQUA Pro Power battery, but extra safety precautions are recommended which is why we developed our 3A Inline Fuse. This popular accessory includes a blade fuse with a water-resistant tethered cap cover, waterproof connectors and includes two 3A blade fuses. Here’s the product page for the Nocqua 3A Inline Fuse: 3A Inline Fuse | NOCQUA Adventure Gear