ACR vs Battery Isolator vs DC-DC Charger
ACR vs battery isolator vs DC-DC charger: how each one shares charging between batteries, pros and cons, lithium compatibility and which suits your boat.
Read moreWiring
Why Tinned Copper Wire Matters on a Boat
Why tinned copper marine wire matters: how corrosion attacks bare copper, stranding and insulation ratings, color codes, sizing and where to use it on…
Read more
When to Replace Battery Cables on a Boat
How to replace battery cables on a boat: when to replace them, choosing size and tinned cable, crimping and sealing lugs, routing, fusing and…
Read more
Battery Setups for Twin and Triple Outboards
Battery setups for twin and triple outboards: one battery per engine, house banks, parallel switches, ACRs and DC-DC chargers, with wiring and charging tips.
Read more
Trolling Motor Power Systems: Wiring, Charging and Runtime
A complete guide to trolling motor power systems: batteries, cable sizing, breakers, plugs, charging, electronics and runtime, with links to detailed guides.
Read more
Marine Battery Cable Sizing: Amps, Length and Voltage Drop
Marine battery cable size guide: how to choose wire gauge from current, round-trip length and voltage drop, with worked examples and ampacity checks.
Read more
How to Add a Second Battery to Your Boat
How to add a second battery to a boat: choosing the battery, switch vs ACR vs DC-DC charging, mounting, wiring steps, fusing and lithium…
Read more
Trolling Motor Wire Size and Circuit Breaker Guide
How to choose trolling motor wire size and a circuit breaker: voltage drop math, gauge by run length, why tinned copper matters and how…
Read more
Negative Bus, Grounding and Bonding Basics
How a boat negative bus works: DC grounding basics, sizing the negative busbar, shunt placement, bonding vs grounding and common wiring mistakes to avoid.
Read more
Pontoon Stereos, Lights and Accessories: Do You Need a Second Battery?
Adding a second pontoon battery for accessories: when you need one, sizing, battery switches, ACRs and DC-DC chargers, safe wiring and charging.
Read more