More compact than its rivals for such a large power capacity, the V-mount Nano XL 178Wh Mini Li-Ion Battery from Core SWX is a lightweight, compact, and powerful lithium-ion battery to run the most power-hungry equipment. While the form factor may be small, the Nano XL batteries can support up to 10A draws at 14.8V.
The exterior of the battery has a rubberized feel for a sure grip. Accessories can be connected to both the 5V, 3A USB Type-A and 12 VDC D-Tap power outputs, allowing the Nano XL batteries to act as a power hub for your entire rig, not just your camera. With its massive 178Wh capacity, a 25W load can be sustained for approximately 7.1 hours. Real-time capacity can be checked using the 4-LED gauge on the side of the casing, and it also can send smart status data to an EVF or camera display.