Inverters and Charging
Multi-Stage Battery Charging Explained
Bulk, absorption, and float: here is what each charging stage does, the voltages to watch, and how to match them to your…
12V Wiring Systems
Finding a 12V Short Circuit on a Boat
A dead-simple, step-by-step method for finding and fixing a 12V short circuit on your boat using a cheap multimeter and a bit…
Marine Solar Power
Keeping the Fridge Running on Solar
One boat, a hungry compressor fridge, and a solar setup that kept it cold at anchor for five straight nights. The numbers,…
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.
Inverters and Charging
Charging Myths That Ruin Batteries
The battery charging myths that quietly wreck good banks, plus the real voltages, cycle counts, and charge rates that keep them alive.
Lithium Battery Upgrades
Wiring an Alternator to a Lithium Bank
How to wire your engine alternator to a LiFePO4 bank without cooking the alternator, using a DC-DC charger, correct wire gauge, and…
Marine Electronics
6 Marine Electronics Install Mistakes
Six marine electronics install mistakes that fry gear on the water, from undersized wire to bad fuses, plus the simple fixes for…
Inverters and Charging
Inverter Wiring and Cable Sizing
A step-by-step guide to inverter cable sizing on a boat, with real amp figures, a gauge chart, fuse sizes, and a worked…
12V Wiring Systems
Tinned vs Bare Copper Marine Wire
A dockside head-to-head on tinned vs bare copper wire: corrosion, cost, ABYC rules, and the few honest cases where bare copper still…
12V Wiring Systems
Wire Gauge Myths That Cause Trouble
The fuse does not tell you the wire size, and thicker is not always safer. Real numbers behind the wire gauge myths…
Marine Solar Power
Solar Charge Controller Sizing Made Simple
A plain-language walkthrough for sizing your boat's solar charge controller using array watts, battery voltage, and short-circuit current.
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.