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Basic Electricity

We're going to discuss a few basic terms about electricity that will help you understand and troubleshoot simple electrical problems in your boat. Electricity as we use the term...

Jump Starting

Jumping a battery is the process of adding a second battery to a circuit to provide extra current to the starter. Jumping a battery is inherently a risky thing to do because you have...

Battery Safety

Batteries sit there forever and nothing exciting ever happens, right?

Wrong. During charging, a battery produces hydrogen gas. Remember the Hindenburg? That was hydrogen gas,...

How do you charge a battery?

You charge a battery by forcing current to flow through the battery. You force current through the battery by applying a voltage that is higher than the battery's...

How a Lead-Acid Battery Works


The term battery actually refers to a series-connected group of cells. The cells in a typical boat battery produce about 2.11V each, and are stacked six to a...

Battery Charger Manual Links

Minn Kota

https://minnkota.johnsonoutdoors.com/us/support/manuals/battery-chargers

Dual Pro

https://www.dualpro.com/product-manuals

Deep-Cycle, Cranking and Dual-Purpose Batteries

For bass boat use, there are three primary demands on our batteries: Cranking the engine, running the electronics, accessories and pumps, and...

Battery Technologies

Anglers have three common options when it comes to battery technologies: Conventional Flooded Cells, Absorbed Glass Mat (AGM) and Lithium Ion. Like most things in life, each...

Battery Specifications: CCA, MCA, RC and AH


There are several specifications that determine how a battery will perform in a particular application. These specifications are measured using test...

This thread is intended as a repository for information about batteries and charging. If you know of a post or link that should be added, have a suggestion for something new, or notice something that...