Free shipping on most orders over $120 CAD
Locally Owned in Nanaimo, BC • Trusted Since 1986
Need help choosing? Ask the Pros

Battery Management

(137 products) FAQ

Marine battery systems power everything from electronics to trolling motors and onboard accessories. This Harbour Chandler collection features lithium and deep cycle batteries, smart chargers, and battery management solutions for reliable marine power.

Frequently Asked Questions

Battery Management Frequently Asked Questions

Q. What is battery management on a boat?

Battery management refers to the system of components used to control, monitor, and protect your boat’s batteries, including switches, monitors, chargers, and protection devices.

Q. Why is battery management important for marine systems?

Proper battery management helps prevent battery drain, extends battery life, improves safety, and ensures reliable power for starting your engine and running electronics.

Q. What components are included in a battery management system?

A typical system includes battery switches, monitors, chargers, cables, and fuse protection, all working together to manage power safely and efficiently.

Q. Do I need a battery management system for my boat?

If you run multiple batteries, electronics, or trolling motors, a battery management system is highly recommended to keep your power organized and reliable.

Q. How do I set up a battery management system?

A basic setup includes separating starting and house batteries, adding a battery switch, installing proper fusing, and using a monitor or charger to manage power usage.

Q. What is the best battery management setup for a boat?

The best setup includes a dual battery system with a switch, proper fuse protection, and a battery monitor, giving you control, safety, and reliable power in all conditions.

Let customers speak for us

from 1800 reviews
good customer

good customer service

Anonymous
The Harbour Chandler
SCOTTY - Downrigger Weight Mate Holder (2 pack)
Clean

Clean design

JOHN K.
SCOTTY - Downrigger Weight Mate Holder (2 pack)
Okuma Safyre "A" Series Spinning Reel - Grey/Blue
Very nice spinning reel although i never got the

Very nice spinning reel although i never got the chance to use it yet I will let you know how it performs when i do

Greg H.
Okuma Safyre "A" Series Spinning Reel - Grey/Blue
Oki Big Shooter Flasher - Black Onion
Black Onion

Out recently and had action with it all day.

Karyn T.
Oki Big Shooter Flasher - Black Onion
Great people to deal with all around! Shipping was great and went smooth considering I live in

Great people to deal with all around! Shipping was great and went smooth considering I live in Michigan. Would order from this company again no question.

Jacob L.
The Harbour Chandler
Panther 55-0407AL Aluminum Outboard Motor Bracket – Up to 15 HP
It was easy to install and works flawlessly

It was easy to install and works flawlessly .

scott r.
Panther 55-0407AL Aluminum Outboard Motor Bracket – Up to 15 HP
Dickinson Sea-B-Que BBQ
No fancy polished stainless steel - just solid

No fancy polished stainless steel - just solid, last a lifetime, completely rebuildable, heavy duty marine stainless BBQ that generates great heat and does well in the wind. You will not be sorry for this purchase.

Kevin M.
Dickinson Sea-B-Que BBQ
West Coast Fishing Tackle Electro Mirror Flasher - Chartreuse 1605
Catches

Catches fish

Shane W.
West Coast Fishing Tackle Electro Mirror Flasher - Chartreuse 1605
Shipping Protection by Route
Mustang parts

Excellent service and speedy delivery.

Gerald M.
Shipping Protection by Route
Scotty Phone Holder

Very solid build! Fits Samsung S26 Ultra with heavy duty case

Danick
Scotty Phone Holder
Scotty Action Camera Boom

Great quality! Perfect for kayaks

Danick
Scotty Action Camera Boom

An absolutely deoight to deal with Austin is my go to but they're all the goat these are the people period

Brent M.
The Harbour Chandler
Maxima Ultragreen Line

Free delivery saved me about $20 in fuel.

James
Maxima Ultragreen Line
Tomic Classic Plug - 602

Pretty awesome plug

Jennifer
Tomic Classic Plug - 602
Tomic Tubby Plug - 632uvbii
Tomic plugs for the first time

I talked with Tim K and he helped me choose the right lures. He even set up a plug for me. I caught some 20 pound salmon in Lake Ontario with these plugs. Brutal hooks. Ain't no fish getting off those hooks.

Brad K.I.a.7.y.o.I.l.f.f.w.s.a.C.s.i.L.O.
Tomic Tubby Plug - 632uvbii

What customers think about the store

Highly-rated marine and fishing retailer offering extensive product selection, competitive prices, and fast shipping. Customers praise knowledgeable, helpful staff (Tim, Chip, Nate, Einar) who provide expert advice. Known for excellent customer service, quick ...

AI-generated from customer reviews.

Delivery Price Service Staff

Steve's Weekly Fishing Report

View all
  • It's Tyee Time!!

    It's Tyee Time!!

      It's that time of year that we see a lot of big mature Chinook in Georgia Strait, and better still we can retain them. There have been some absolute...

  • Big Chinook Rolling in!!

    Big Chinook Rolling in!!

    Big Chinook are showing up all around Vancouver Island right now. This is perfect timing as the slot size restrictions should end September 1st in some areas. Check your local...

  • West Coast Chinook Time!

    West Coast Chinook Time!

    The big Chinook are starting to make their way into the Alberni Canal. The photo above is from this weekend when Chandler Staff member Austin did well with Anchovies in...

  • It's Football Season!!

    It's Football Season!!

    The football fish have arrived! What is a football fish you ask? Basically it's a short fat salmon. It's more football shaped than lean and long. And they are ideal...

  • Nanaimo Halibut?!?

    Nanaimo Halibut?!?

    There have been a handful of halibut caught around the mid Island area in the last week. A couple near Thrasher Rock and some closer to Nanoose. While this is...

  • Chinook Fishing Peaking

    Chinook Fishing Peaking

    In Georgia Strait the Chinook Fishing is still very hot. But the fish have generally moved deeper than last week. Fishing close to the bottom in 225-240ft of water has...

  • Chinook is Open in the Strait of Georgia!!

    Chinook is Open in the Strait of Georgia!!

    Chinook season has kicked off for Georgia Strait fishermen and the initial reports are great! We have been seeing lots of Chinook from 50ft to 230ft lately. The best location...

  • Chinook Opening Soon!

    Chinook Opening Soon!

    The summer Chinook openings have been released. It looks about the same as last year for area 17. Follow this link to read the fisheries notice The Chinook are mostly...

Back to top