What is this end called

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djson280

Regular
Hi all

I'm looking into charging my electric bike directly from a solar panel.

So I need an end like this.

What is the name of this connector?

It is from a Bafang 43v/3.0A charger.

thanks
 

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Drago

Legendary Member
I think that may be a proprietary connector rather than a standard item, but will happily stand corrected.
 

fossyant

Ride It Like You Stole It!
Location
South Manchester
I really wouldn't try and charge a high drain battery from a solar charger - it's unlikely to work - e.g. my solar panel says not to charge smartphones directly from it - use a power bank as the power can be sporadic. Best option is to use solar to charge a big powerbank with 240 sockets then charge the bike using it's supplier power charger.
 

raleighnut

Legendary Member
I really wouldn't try and charge a high drain battery from a solar charger - it's unlikely to work - e.g. my solar panel says not to charge smartphones directly from it - use a power bank as the power can be sporadic. Best option is to use solar to charge a big powerbank with 240 sockets then charge the bike using it's supplier power charger.

Wot e sed
 

albion

Guru
5.5 x 2.1?
Xiaomi 8mm?

Note chargers adapt according to battery voltage with the final charge until the green light being below 1 amp.
 
Last edited:
Working for Trek I seem to remember a training module that clearly stated that the primary cause of e-bike fires by a hefty margin is the use of non compatible or aftermarket charging systems. The training was likely with Trek or Bosch.

so basically, don’t do it! Don’t even think about it. These battery systems vary greatly in quality ( read as China home/off brand = crap ) and some of the cheap off brands are sensitive to polarity ( lacking protection to reversed polarity ) voltage ( little or no internal voltage control ) amperage ( you can damage the batteries by using too high or too low a current ) and my favourite… no overcharging protection. While your motor may be a respected make who knows who made the controller or battery pack. Different manufacturers place the charging controls in different places. Some place them in the charger, some the battery pack itself and some the bike’s control module. ( where batteries are not removable )

And… matching connectors doesn’t automatically mean they are compatible. Connectors and copies of common types of connectors are made by a lot of companies and sold widely in the electronics industry and how each end user arranges the pin out within the connector is up to them. At a previous job we had a customer set a fire in his house by using a “similar” battery charger with a matching connector. Luckily it was caught in time. ( the accepted term for this in the automotive industry is a “thermal event”, it seems to make the lawyers happy. I got crap for calling it a fire in my report)
 
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