How Many Cranking Amps Does Your Outboard Need?
How many cranking amps does your outboard need? Learn where to find the spec, how CCA, MCA and reserve capacity combine, and how to…
Read moreShips nationwide · Flat-price installs from Venice to Gainesville, FL
How many cranking amps does your outboard need? Learn where to find the spec, how CCA, MCA and reserve capacity combine, and how to…
Read moreWhy to separate starting and house batteries on a boat: reliable starts, better battery life, switch and ACR options, DC-DC charging and sizing tips.
Read moreRunning a small boat on one battery: when a single battery works, the risks, choosing a dual-purpose battery, backups, charging and when to add…
Read moreGenerator starting batteries on boats: why gensets get their own battery, sizing to the maker's spec, charging, location, AGM vs flooded and maintenance.
Read moreBattery 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 moreMarine battery vs car battery: construction, vibration resistance, ratings, terminals, deep cycling and why a car battery is a poor fit for a boat.
Read moreWhen to replace a marine starting battery: warning signs, voltage and load tests, age, heat damage, physical red flags and how to choose the…
Read moreThe complete guide to choosing a boat starting battery: cranking specs, reserve capacity, chemistry, group size, charging, backups and when to replace.
Read moreBoat won't start and just clicks? Learn how to trace a weak start battery, corroded cables, a bad switch, solenoid or starter, and fix…
Read moreNew arrivals, sale alerts and marine battery how-tos.