Lithium Battery Upgrades
Trolling Motor Lithium Battery Setup
How to size, wire, fuse, and charge a lithium battery for your trolling motor, from a marine electrician who has rewired plenty…
Lithium Battery Upgrades
Best Lithium Battery Sizes for Small Boats
A practical guide to picking the right LiFePO4 size for your small boat, from 50Ah electronics-only setups to full-day trolling motor banks.
Lithium Battery Upgrades
Converting a Sailboat to Lithium: A Refit
One boat, one refit. What a sailboat lithium conversion actually cost, what went right, and the charging mistakes to avoid.
Lithium Battery Upgrades
LiFePO4 Myths Boaters Still Believe
Fire fears, cold-weather worries, and cost confusion keep good boaters on old lead-acid. Here are the LiFePO4 myths worth ignoring.
Lithium Battery Upgrades
Signs Your Boat Lithium BMS Has Faulted
That sudden total blackout is usually the BMS, not a dead battery. Here is how to read the real fault signs before…
Lithium Battery Upgrades
Lithium Boat Battery Cost Breakdown
Real 2026 price ranges for lithium boat batteries, from budget drop-ins to premium banks, plus the wiring and labor costs the shelf…
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…
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 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.
Lithium Battery Upgrades
Lithium Battery Safety on Boats Explained
Why marine LiFePO4 is safer than the lithium in the headlines, and the fusing, charging, and cold-weather rules that keep your bank…
Lithium Battery Upgrades
Do You Need a DC-DC Charger for Lithium?
A DC-DC charger caps alternator current so lithium cannot cook it. Here is when you need one, what size to buy, and…