SZZS specific CEF50-main thread (initial builds and troubleshooting related only)

spokémon

Member
Apr 4, 2023
191
99
Australia
Jean told my frame was painted and the motor would be ready in two days but the 410wh battery is being revised and delivery time will be longer.

I hope not a lot longer.
I got a similar story from Linda re 410wh battery delays. She also ordered a 165mm crankset for me from Bafang instead of the 170mm but it is also delayed.
 

spokémon

Member
Apr 4, 2023
191
99
Australia
I see lots of bottle batteries with 36v and 48v on AliEx. Does that mean those of us with 43v systems are out of luck for bottle batteries?
 

mike_kelly

Well-known member
Subscriber
Aug 11, 2022
929
759
US
That is why I picked 36v. I knew I wanted an external battery and 43v is not standard.
 

patdam

Well-known member
Jan 17, 2019
889
598
france
if choosing Bafang 43v battery, U have to wait Bafang release their extender battery.
The interest to use bafang battery, is that BMS can communicate with the HMI and you can displayed several informations of the battery use. For what i know, nothing other batteries can do that. in addition of you don't need to build adaptations to usfix the battery.
 

LAnton

Active member
May 12, 2022
550
457
Russia
Hi @LAnton or @stuff Any chance you can show a photo of the internal battery mounting bracket for this frame?
I've almost finished assembling the bike. The battery is attached with 4 bolts to the frame. There is no bracket on the frame, only holes in the carbon fiber. Also, 2 bolts for the bottle holder are attached to the battery through the frame.
 

LAnton

Active member
May 12, 2022
550
457
Russia
Attention. A shock absorber with a stroke of more than 50mm cannot be installed. You can break the posterior triangle.

WhatsApp Image 2023-04-29 at 18.50.30.jpeg
 

stuff

Active member
Nov 3, 2022
166
281
Spain
IMG_0701.jpg

Battery wasnt 100% in here, but you can see irs a tight fit with the 3d printed supports

IMG_0696.jpg

This were some initial prints testing fit
 

LAnton

Active member
May 12, 2022
550
457
Russia
View attachment 113089

Added some zip ties to strengthen it up since its attached to only 2 bolts.

View attachment 113090

Also 3d printed some supports so its a tight fit
View attachment 113089

Added some zip ties to strengthen it up since its attached to only 2 bolts.

View attachment 113090

Also 3d printed some supports so its a tight fit
I have a different battery. It is made entirely of aluminum. The battery is attached to the frame with 4 M6 bolts and 2 bottle bolts.

WhatsApp Image 2023-04-29 at 21.58.26.jpeg WhatsApp Image 2023-04-29 at 21.58.34.jpeg
 


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