MPPT vs PWM Charge Controllers for Boats
MPPT vs PWM solar charge controllers for boats: how each works, efficiency differences, panel voltage matching, lithium profiles and choosing the right size.
Read moreAuthor: Marine Battery Source
Sizing an Inverter for Your Boat’s House Bank
How to size an inverter for your boat: continuous and surge watts, DC current math, battery and cable requirements, idle draw, sine wave and…
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Offshore Tournament Electronics: Powering Radar, Sonar and Livewells
Battery planning for offshore fishing electronics: multifunction displays, radar, autopilot, electric reels and livewells on center consoles and sportfishers.
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Marine Battery Maintenance: The Complete Guide
Marine battery maintenance guide: routine care for flooded, AGM and lithium batteries, charging habits, cleaning, testing, storage and signs of trouble.
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Heated Lithium Batteries and Cold-Weather Charging
Heated lithium batteries explained: why LiFePO4 can't charge below freezing, how internal heaters work, discharge limits, and when a heated battery is worth it.
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Upgrading a Sailboat House Bank from AGM to Lithium
Step-by-step guide to upgrading a sailboat house bank from AGM to lithium: sizing, charging changes, alternator protection, fusing, monitoring and testing.
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What the M in Group 24M, 27M and 31M Means
What 24M, 27M and 31M mean on marine batteries: the marine "M" suffix, dual terminals, how it differs from automotive sizes, and how to…
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Battle Born vs EPOCH for Boats
Battle Born vs EPOCH lithium batteries for boats: case sizes, weight, Bluetooth, heating, 24V options, house banks, warranty listings and value.
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Is a Lithium Marine Battery Worth the Money?
Is a lithium marine battery worth it? Weigh upfront cost against usable capacity, cycle life, weight savings and charging upgrades for how you really…
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Lithium Battery Won’t Charge? Temperature and Charger Checks
Lithium marine battery won't charge? Check BMS cutoff, cold-temperature limits, charger profile, wiring, alternator and DC-DC setup, then reset it safely.
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