Print Page | Close Window

electric outboard

Printed From: The Fishing Website
Category: General Forums
Forum Name: The Boat Shed
Forum Description: Discuss all things boating.
URL: https://www.fishing.net.nz/forum/forum_posts.asp?TID=140064
Printed Date: 04 Jun 2026 at 7:11am


Topic: electric outboard
Posted By: Mc Tool
Subject: electric outboard
Date Posted: 28 Nov 2025 at 10:37am
I just lassooed a 44lb  electric outboard for the flounder slayer . Im lookin at  100ah lifepo4 batteries  , and reading reviews hasnt really helped  . I can find such a battery for between 500 and 2000 bucks . 
There is talk of metal frames ,not so flash BMS's , lack of over current  protection, unbalanced cells and 40a charging requirements.
 Has anyone  actually tried a battery in the 5-700 buck range . Im thinking of MD's  and Jaycar . Does a rudimentary BMS matter so much if it only powering an outboard ( as opposed to a inverter or computer  etc ) , a circuit breaker can easily be fitted for over current  if needed . 
 Max current isnt specified on the motor but they seem to go roughly  a pound of thrust per amp so Im thinking under 50a .  . 



-------------
I wish I was young again .... Id be heaps smarter than this time


Replies:
Posted By: Joker
Date Posted: 26 Mar 2026 at 1:01pm
I've been running a single 130AH AGM battery powering a 12v Minn Kota on my FC560 C/C for 7.5 years and it's still going well. AGM is much more forgiving than wet cell and gives many more recharge cycles even with abuse. You can get these from the Solar recreation RV companies for around $300 and needs no complex charging systems other than a smart charger. On the boat I have a VSR (Voltage Sensitive Relay) that switches from charging the starting battery to the AGM house battery depending on which needs charging. 


Print Page | Close Window