LiTime 12v 230ah LFP $469

[dhays]

Is that thruster rating peak amps or continuous? Large thrusters are tough. It will be fine for my little windlass though.

I have a 500 amp carbon pile load tester along with an inverter. Ill get that carbon pile tester smoking and see how long it can take 500-600 amps.

The only information I was able to see for the Vetus was 650amp. It is a 14 year old thruster. Their current 95kg thrusters much be more efficient as they say that it is 610 amps.

 

[Barking Sands]

The only information I was able to see for the Vetus was 650amp. It is a 14 year old thruster. Their current 95kg thrusters much be more efficient as they say that it is 610 amps.

LOL...5.7KW. That's quite a bit any way you dice it!

 

[mvweebles]

"This function is only tested under the condition of soc>60%@25℃. Even so, frequent high-rated discharge will still have an impact on the life of the battery. If this peak current is output frequently, damage may even occur.".

Wow! Well that certainly changed the use case recommendation!

Will Prowse's most recent review is of the Ecoflow 12v 100AH trolling battery ($220). He tests the hi-discharge claim of 300a for 30-secs which it does indeed deliver. He of course has no way to tell whether repeated high discharge use would damage the battery.

My thruster is protected by a 400a fuse. Under normal usage, it draws under 300a. I know this because last year my anchor was hopelessly fouled on a rock. I tried maneuvering the bow around using the prolonged thruster and it eventually tripped the fuse which I later discovered was a 300a fuse, not the specified 400a fuse.

At any rate, batteries designed for trolling motors seem to have slightly different BMSs.

Peter