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s/Morris/motors/ Autocorrect is giving me a heck of a time today.

I guess that’s my point is if the system is capable of 96v its a different thing and should be treated as such. IIUC, Morris like the me1515 etc are most efficient at the higher end of their

Above 50v there are safety considerations that most DIY folks aren't ready or willing to entertain...? I think even some regulations? Anyone know more about that? Cheers, Jeff LaCoursiere s/v

The other thing about 48v vs 96v is really why not just run at 96v the whole time. Basically if you are making it possible then all the rest of the system has to be specd to 96v and I don’t see the

This is interesting and something Ive wondered about but from what I’ve been able to discern it requires dynamically reprogramming the motor controller. You could imagine a switching setup that

This sounds really useful. And I wonder - At the “whole boat scale” - since its likely all going to be stationary, couldn’t you just provide a couple of circuits with downconverters or do you

Anyone considering going all electric propulsion in the salty ocean environment is being naive. The IC and computer components will corrode unless sealed circuit board tech, like in military,

Oh man are you preaching to the choir here.? I get so frustrated - we are doing what I feel is cutting edge stuff, and it requires components and tools that you simply cannot buy anywhere else.?

Interesting, Jeff !12V sucked from 48V, without an inverter ! Thumbs up ! In your intended setup of your battery banks, do you use 1 common BMS, or 1 on each (48V) battery ?How about redundancy, if

I am skeptical of passive load monitoring. Your reasons for choosing it are all about the pack. What about the load? What if your motor controller fails and wants to short the pack? With passive

We haven't had any bad cells imported yet, knock wood.? We *are* doing our best to burn down our offices with our BMS experiments though :)? Also, our latest batch was all EVE 280AH cells, the

Hi Reuben, well wear with the range extender. People should be aware that these cheap generators come with a "running in" oil, intentionally low lubricity to allow the piston rings to wear a little

I like your diagram. I have a couple questions. You show the shunt for the monitor between the BMS and the neg lead. That makes sense but it can't be done that way on a battery like a Battleborn

Hi, Jeff Did you experience single/multiple cell dropouts from Lishen batteries so far ?

I wanted to comment on 1) below - we have that same concept in mind.? We are working on a BMS design that will basically allow cells to be "dropped out" of series, the output run through a boost

I actually bought 20 plus busbars so that I could keep a few spare. I paid $1437 for all 20 from Xuba on Alibaba, they all arrived yesterday. As easy as ordering on Amazon except for the

Not trying to be nosey but what will t cost for your Lishen bank? Someone else I know has bought from them & they're very pleased with it.

First Draft of Schematic. Using Lishen 202Ah. I decided to go with the BMS only actively controlling the charge side of the circuit and opted for passive monitoring on the load side. Using a victron

Hi Flip, Am waiting on details of the new ePropulsion 10kW Evo (regen) pod drive although the UK dealer has already quoted it to me at ?5,600 without VAT. It’s true though that you would

Make sure your remaining diesel’s gearbox can support freewheeling if you are intending to use electric-only. Many cannot, so you would have to lock the diesel prop which creates quite a bit of