Marine Battery Banks
Winterizing Lead-Acid Boat Batteries
A practical fall checklist for winterizing lead-acid boat batteries so your bank survives the cold and starts strong next season.
Marine Electronics
Powering Electronics Without Draining Batteries
Stop killing your boat batteries. Measure your electronics draw, add a sized house bank, fuse it, and watch amp-hours with a simple…
Marine Battery Banks
AGM Battery Care Checklist for Boats
A dock-tested AGM battery care checklist covering charging, discharge limits, connections, and winter storage for longer battery life.
Marine Battery Banks
Reading Battery State of Charge by Voltage
Read your 12V boat bank with a $12 meter. A rested-voltage method, a lead-acid and lithium chart, and a real worked example.
Marine Solar Power
Wiring Solar Panels in Series or Parallel
Series adds voltage, parallel adds current. A hands-on guide to wiring a boat solar array the right way, with worked numbers and…
Marine Battery Banks
Starting vs House Battery: The Difference
A plain-spoken guide to starting vs house battery differences, when each one wins, and the simple two-bank layout most boats should run.
Marine Battery Banks
Equalizing a Flooded Battery Bank Safely
How to equalize a flooded battery bank safely: target voltages, hydrometer checks, timing, ventilation, and a real worked example from the yard.