Hi folks. I have a new G3HTA061H DYNM03 replacement battery for a surface pro 7 that I'm not using. I want to develop a robot that makes use of the laptop battery to power at least a few of the devices features.
The problem is figuring out what each of the 12 wires on the connector does. See attached photo. It appears to me that the 4 red wires are hot and the 4 opposing black wires are grounds?? I am sure one wire goes to a clock and one carries data. But, I can't be sure without a pinout.
Can anyone here offer some advice on how to identify the wires and what specific cable connector that is uses.

 

Welcome to AAC.

While I can’t understand why you’d want to use that battery, since once it reaches end of life, you won’t be able to replace it without buying a very expensive new one, here’s what you should expect...

The red and black conductors are going to to be the battery terminals ending multiple wires to increase the ampacity.

The other four wires are going to be for balancing. Each should read up to 4.2V referenced to the black.

The connector isn’t instantly familiar. To find it, you will need to measure the pitch and major dimensions. Then you can use a parametric search on any of the large distributor sites to narrow it down. The dimensions and more photo angles might get you some help with that.

 

Welcome to AAC.

While I can’t understand why you’d want to use that battery, since once it reaches end of life, you won’t be able to replace it without buying a very expensive new one, here’s what you should expect...

The red and black conductors are going to to be the battery terminals ending multiple wires to increase the ampacity.

The other four wires are going to be for balancing. Each should read up to 4.2V referenced to the black.

The connector isn’t instantly familiar. To find it, you will need to measure the pitch and major dimensions. Then you can use a parametric search on any of the large distributor sites to narrow it down. The dimensions and more photo angles might get you some help with that.

Wow, great answer! I feel like a haves some direction for sorting this out. I appreciate that. I'm only doing this to exercise my mind a bit now that I am retired. I happened to come across the battery for free, so I decided to imagineer some pointless device in order to learn a thing or two. I just hope I don't burn the house down!

 

I don’t know if that battery has on-board protection so if you can’t determine that you need to make sure protect it against over-current, over-discharge, and over-charge.

You will definitely need a BMS to deal with balancing, it looks like it needs to handle 4 LiPo pouch cells. At a guess they are in a 2S2P configuration/