US - Bestech CHARGE ONLY BMS modules

[scepterr]

Yep just plug into bms, you might need to lower max voltage using the pot(assuming it has one) on the PCB in the charger, if the BMS will have lower cutoff voltage

[ShutterShock]

Ah okay gotcha. Makes sense! Thank you for the useful information. I’m guessing I would want to set it to the max charge of my lipos, so either 4.210 or 4.110 - 42V exactly or 41V?

[Wilsonliang777]

I am interested in buying 2. Pls let me know when it’s time to pay. I am in the US. Ca

[scepterr]

Yeah that’s it. I think charging any lithium to 4.2 is harmful and a bit silly, I’ve never encountered a mass production device, like every laptop on the planet, charge above 4.15 per cell. There is simply no benefit at 4.1-4.2, you only lose cycles and with lipos early puffing.

[thisguyhere]

@scepterr

I think this would be a better option and higher charge current in smaller package http://batterybms.com/37v10spcmbmspcbforli-ionli-polymerbatterypack/PCM-D190.html

this module doesn’t go up to 12s

@b264

I’d prefer it to be the size of either 1, 2, 3, or 4 18650 cells for ease of packing an enclosure

i think these may fit the bill:

12S 44.4V Protection Circuit Board for Li-ion and Li-Polymer Battery Packs

12S 44.4V Protection Circuit Board for Li-ion and Li-Polymer Battery Packs

12S 44.4V Protection Circuit Board for Li-ion and Li-Polymer Battery Packs 12S 44.4V Protection Circuit Board for Li-ion and Li-Polymer Battery Packs

i’ve asked pricing for each, waiting on response.

@Jinra

My dual stack tiny red ones are great

was just advised these are available only up to 10s…bull

[scepterr]

Well could still get those for 10S I’ll have a look at 12S options

http://www.bestechpower.com/444v12spcmbmspcbforli-ionli-polymerbatterypack/PCM-D108.html

http://www.bestechpower.com/444v12spcmbmspcbforli-ionli-polymerbatterypack/PCB-D245.html

[b264]

@thisguyhere

was just advised these are available only up to 10s

Some of us want more range and less sag on our rocket powered murder boards

I’m looking at 10S

[thisguyhere]

ok, for 10s then we can get PCM-D190, no problem.

PCM-D108 is discontinued:

@b264

Some of us want more range and less sag on our rocket powered murder boards

that’s fine, i just found end of charge voltage to be lacking so stepped up to 12s. a 12s4p is has eight more cells than 10s4p but it’s just stronger all through the charge range.

[Jinra]

Here’s my 12s order (discharge only)

[b264]

@thisguyhere

that’s fine, i just found end of charge voltage to be lacking so stepped up to 12s. a 12s4p is has eight more cells than 10s4p but it’s just stronger all through the charge range

You can ride a 12S5P and I’ll take a 10S6P

[thisguyhere]

when did you order this?

[Jinra]

beginning of september.

[scepterr]

What about this one http://www.bestechpower.com/444v12spcmbmspcbforli-ionli-polymerbatterypack/PCB-D245.html

[Jinra]

The reason I didn’t go with that one is that it’s a bit high at 1.5cm and the balance leads face upward meaning you need even more headroom to have it fit.

[thisguyhere]

ignored anything above 15a charging, who’s got a 20a charger? the more capable the module, i’m thinking the pricier it’ll be (assuming of course).

and what @Jinra said.

[b264]

@thisguyhere

ok, for 10s then we can get PCM-D190, no problem.

Huh? You mean HCX-D190? Or do you have a link

[scepterr]

http://www.bestechpower.com/444v12spcmbmspcbforli-ionli-polymerbatterypack/BMS-D140.html L75mmW65mmT8mm

[thisguyhere]

http://batterybms.com/37v10spcmbmspcbforli-ionli-polymerbatterypack/PCM-D190.html

[thisguyhere]

dammit max, i already feel bad about the million questions i’m asking.

i’ll sneak this one in after i get a response.

[scepterr]

Lol it’s their job