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Category: Dual Battery Management System

Blogs associated with the development of the ebike dual battery management system

Ebikes – DBMS issues with counterfeit parts

Posted on April 6, 2018April 6, 2018 by Dave

The DBMS worked fine for 50 or 60 km, but the behaviour of the various components – batteries, motor and controller and DBMS started to get erratic, and it started to get difficult to tell what was going wrong. I slowly removed items until I was back to a normal set up on both bikes,…

Ebikes – dual battery managment system more riding.

Posted on March 17, 2018March 24, 2018 by Dave

Two more days of testing, a week apart, building on the numbers from day one. Total kilometres over the three days 66.4  and total time on road 3h22m, giving an average of speed of 20kph or thereabouts. The bike was definitely starting to get sluggish towards the end, and the gauge on the bike was…

Ebikes – dual battery management system – first rides

Posted on March 14, 2018March 14, 2018 by Dave

I have waterproofed both the DBMS and the power meter, so am feeling a bit happier about going out for a ride or two. I did my first ride just after I finished the basic unit, but it was all a bit short and hilly to get a grip on what was happening. I had…

Ebikes – dual battery management system – build and install

Posted on March 9, 2018March 9, 2018 by Dave

Build After a few months of designing, prototyping and waiting for all the components to arrive, I finally had enough to build a working, install-able prototype of my Dual Battery Management system. It is still a prototype, and like all prototypes is too big, too heavy and too expensive. I am not an electronic designer,…

EBikes – Dual Battery Management System

Posted on January 3, 2018March 9, 2018 by Dave

The only commercial developer of dual battery electric bikes I have seen to date is Bosch, who do an optional Dual Battery kit, which one or two manufacturers have taken up. Being proprietary technology, there is not a lot out there about it. The only two things I can glean are: 1. The real technology…

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