Discharge from the charge port

[eikido]

I would like to discharge a battery pack to storage voltage from the charging port.

I'm respecting the cable max current so I won't exceed the charge current rating when discharging.

I think it's a BMS with separate C and P.
So I guess I'm missing out the low voltage threshold shutdown but I don't care as I will monitor the discharge manually.

Anything else I'm missing?

 

[999zip999]

Why just discharge thru discharge wires with a hairdyer at 750watts to 1500 watts . What kind of battery important. Lipo4 lipo ect. For how long. As you my need to disconnect the BMS important
Or more info about battery.

 

[amberwolf]

Since the FETs will be operating in reverse acting as diodes, they'll be heating up a lot more than they would when charging.

As you note, you'll be bypassing all the safeties by doing this.

Is there a specific reason you want to risk damaging the BMS and battery by using the wrong port?

 

[eikido]

Since the FETs will be operating in reverse acting as diodes, they'll be heating up a lot more than they would when charging.

As you note, you'll be bypassing all the safeties by doing this.

Is there a specific reason you want to risk damaging the BMS and battery by using the wrong port?

It takes me a fair amount of work and disassembly to reach the discharge port. I wanted to make it easy by discharging from the charging port.
Sounds like it's a bad idea. I don't want to risk the bms.

 

[999zip999]

Hang the bike and run the throttle. Be careful.