Everybody is getting into the outdoors, so boaters will benefit from competition in the inverter market. Here’s a new entry from the Main Street tool vendor trusted in workshops. We like the LCD battery power meter that warns us when we need to crank up the engine or generator to restore the battery. A USB outlet for MP3s and two 110-volt outlets maximize power output. Mounting points facilitate firm placement on a bulkhead. $56.28; stanley.com