Home › Forum › Ask A Member › Six volt bilge pump › Re: Six volt bilge pump
Can’t help you with a 6V pump, but for around $20-$25 you get buy a high-efficiency DC-DC boost converter that will let you run a 12V pump on your 6V system. They typically take 3V-12V input, and have a fixed output voltage (you’d want 12.6V) or a user-set output voltage in the 6-35V range, and are neither very large nor heavy.
Conversion efficiency is in the 90-95% range. Be sure to get a unit that has a current rating 50% greater than the typical load of your pump, and it should be smooth going.
ETA: Once you have stable 12V on-tap, you can do all kinds of nice stuff like charge a phone or tablet, run a little 120V inverter, what have you. Heck, use it to keep a little 12V sealed gelcell topped-up.. the converter will appreciate the battery, if the pump jams or otherwise overloads.