CQ Reviews: Impulse Electronics Max Go Box

Here’s a portable battery box that does much more than hold your battery — it has a built-in voltmeter, connectors for radios, USB charging ports, and solar panel inputs. WB6NOA gives it a field test.

I am a big fan of the new technology, lightweight, Lithium-Iron-Phosphate batteries (LiFePO4) for extended-time field operations. But for “weekend ops,” even a new technology 40-amp-hour (Ah) 12-volt DC battery weighing only 10 pounds could really use a battery box for easy handling, when going maritime mobile, river rafting, or mountain topping for microwave and SOTA (Summits o the Air) ops.

My search for the right weather-tight battery box led me to Impulse Electronics,1 from which I see Marvin Munster, W6MJM, and his wife Sherry, KF6GSA, at almost all local hamfests, with a booth tabletop full of 12-volt devices and a