How to reconnect ebike battery wires to work with different bike?

[juntjoo]

So my bike and battery is the "EcoE" one. The "Eskute" battery was just a better deal for this 48v battery, but I didn't know eskute wired it different.

Idk much about this stuff but for some reason many batteries like these use more than one terminal per +/- but with my plan to make the Eskute battery work for my bike I'll have to take the positive wire, which for some reason the Eskute has it black, and move it up to at least one of the top terminals unused as shown with the green squiggly.

So, and this applies to all bottom four negative terminals, can I just connect it to one each, eskute likes 2, EcoE likes 3/4 and I like one lol? Or should I play it safe and connect it just as EcoE has it, 3 across top positive, four across bottom negative?

But most importantly how do I not destroy anything? I turned the power switch off but there's still voltage between them. I'll just be sure not to touch them.

 

[Delta Prime]

The "Eskute" battery was just a better deal for this 48v battery, but I didn't know eskute wired it different

What about specifications?
Is the Voltage & milliamp hour the same?
Did it come with its own battery charger?
If the answer is yes then…

connect it just as EcoE has it, 3 across top positive, four across bottom negative

Correct

 

[juntjoo]

What about specifications?
Is the Voltage & milliamp hour the same?
Did it come with its own battery charger?
If the answer is yes then…

Correct

I know they both read 53v, which I assume means they're both 48v. And I imagine they're the same amp hours but idk as the EcoE bike specs are total exaggeration.

Why do they split the wire like that? It's still 48-53v wherever right?

 

[Delta Prime]

Why do they split the wire like that? It's still 48-53v wherever right?

Measurement standards are set by
organizations in all industries a multitude of private, academic, and governmental agencies ,sometimes manufactures set their own standards. Like Amp Hour or milli-Amp Hour.DC battery banks & or
Battery packs are categorized by Nominal Voltage 12, 24, 36,48

In your case, lithium ion batteries, they’re probably advertised as 4P 13S stands for 4 parallel, & 13 series for a single lithium ion cell a nominal voltage is 3.7volts a fully charged cell is 4.2 V

Put 13 cells in series the voltage adds up

3.7v X 13= 48.1v , & 4.2v X 13= 54.6V

I think you bought yourself a bad battery pack. It should be more than 53 V when fully charged or your (BMS) battery management system is faulty.

https://www.nist.gov/

 

[juntjoo]

Measurement standards are set by
organizations in all industries a multitude of private, academic, and governmental agencies ,sometimes manufactures set their own standards. Like Amp Hour or milli-Amp Hour.DC battery banks & or
Battery packs are categorized by Nominal Voltage 12, 24, 36,48

In your case, lithium ion batteries, they’re probably advertised as 4P 13S stands for 4 parallel, & 13 series for a single lithium ion cell a nominal voltage is 3.7volts a fully charged cell is 4.2 V

Put 13 cells in series the voltage adds up

3.7v X 13= 48.1v , & 4.2v X 13= 54.6V

I think you bought yourself a bad battery pack. It should be more than 53 V when fully charged or your (BMS) battery management system is faulty.

https://www.nist.gov/

Ah, interesting. How does "4p" work out to 3x positive across the top and 4 negative across the bottom?

They might be 55v. My eyes aren't that good. I'll double check but I have 2x EcoE batteries and one eskute and they're all same voltage 50 something

 

[Delta Prime]

Ah, interesting. How does "4p" work out to 3x positive across the top and 4 negative across the bottom?

One thing has nothing to do with the other! My fault! I left too much room for interpretation so I will now define my statement by regurgitating
Battery University.
four cells connected in parallel in a P4 arrangement.The nominal voltage of the remains at 3.7v (my mistake). “Battery University” says 3.6V & they’re pretty much an authority in this industry, the capacity (Ah) & runtime is increased 4 times the specified current capacity of a single Lithium ion cell.

3x positive across the top and 4 negative across the bottom?

That is purely for system design of your e-bike individual circuits power paths for your motor controller feedback for your battery management system over, under voltage limits, presets limits with current and temperature protection.
If you have poor eyesight, I would attempt no modifications.

BU-302: Series and Parallel Battery Configurations

BU-302: Configuraciones de Baterías en Serie y Paralelo (Español) Batteries achieve the desired operating voltage by connecting several cells in series;…

batteryuniversity.com

 

[juntjoo]

One thing has nothing to do with the other! My fault! I left too much room for interpretation so I will now define my statement by regurgitating
Battery University.
four cells connected in parallel in a P4 arrangement.The nominal voltage of the remains at 3.7v (my mistake). “Battery University” says 3.6V & they’re pretty much an authority in this industry, the capacity (Ah) & runtime is increased 4 times the specified current capacity of a single Lithium ion cell.

View attachment 65926


That is purely for system design of your e-bike individual circuits power paths for your motor controller feedback for your battery management system over, under voltage limits, presets limits with current and temperature protection.
If you have poor eyesight, I would attempt no modifications.

BU-302: Series and Parallel Battery Configurations

BU-302: Configuraciones de Baterías en Serie y Paralelo (Español) Batteries achieve the desired operating voltage by connecting several cells in series;…

batteryuniversity.com

So I think you're saying one terminal = not all of the cells with a few parallel circuits. But with the Eskute battery pictured the two terminals = one wire which would be ALL the cells no?

 

[Delta Prime]

I’m afraid not. Your battery has one positive terminal & one negative terminal. The positive terminal has three physical contact connections
The reverse is true for the negative terminal +1.
Which makes it four physical contact connections for the negative terminal.
I really don’t think you should even be riding a bike…