Lithium Battery Upgrades
Lithium Drop-In vs Custom Cell Builds
Drop-in vs custom lithium, compared honestly by a marine electrician: cost per amp-hour, install time, BMS control, warranty, and which fits your…
Lithium Battery Upgrades
5 Lithium Battery Mistakes That Kill Banks
The five lithium battery mistakes that kill marine banks early, and the simple fixes a working boat electrician uses to make them…
Lithium Battery Upgrades
LiFePO4 Bank Sizing for Liveaboards
A dockside, step-by-step way to size a LiFePO4 house bank for full-time liveaboard life, worked through with real numbers from a 38-foot…
Marine Battery Banks
What Depth of Discharge Really Costs You
How far you drain a battery decides how long it lasts. Here is what depth of discharge means and the real dollars…
Lithium Battery Upgrades
Charging Lithium Boat Batteries in Cold
Charging a lithium boat battery below freezing quietly destroys it. Here is how to measure, warm, and set cutoffs so you charge…
Lithium Battery Upgrades
How a Marine Battery BMS Actually Works
The little green board inside every lithium pack is its brain. Here is what a marine battery BMS does and how to…
Lithium Battery Upgrades
Balancing a LiFePO4 Battery Bank
A patient, step-by-step way to balance a LiFePO4 house bank, with a real worked example showing four drifted cells brought back into…
Lithium Battery Upgrades
Lithium vs AGM for Boats: Which Wins?
A fair head-to-head on lithium vs AGM boat batteries: real numbers, hidden costs, and which chemistry actually fits how you use your…
Inverters and Charging
Charging Profiles for Every Battery Type
Flooded, AGM, gel, and lithium each want different voltages. Here is how to pick and set the right charging profile, with the…
Lithium Battery Upgrades
Are Drop-In LiFePO4 Batteries Worth It?
A straight answer on whether drop-in LiFePO4 batteries pay off on a boat, plus the charging and cold-weather catches nobody prints on…
Lithium Battery Upgrades
Lithium Boat Battery Upgrade Guide
What really changes when you switch a boat to lithium: usable power, the BMS, charging, and how to size the bank without…
Lithium Battery Upgrades
Lithium Battery Winter Storage Checklist
A practical lithium battery winter storage checklist so your LiFePO4 bank comes back healthy in spring instead of flat, bricked, or quietly…