I’m building my first board and going for single motor, likely 6374. I’m going to go LiPo for first build in order to save on budget. I know however that I want to run a charge only BMS with e-switch. I dont own a LiPo charger and figured why buy one if my BMS will do it from the get go.
Originally I was looking into 10s BMS setup built with 2x 5s or 5x 2s. Now I realize 12s gives me 3 different battery combinations.
Is there any realize not to make the jump to 12s over 10s since the vesc supports it.
The vesc will support it, however there are multiple reports of DRV’s blowing in the vesc when people run them on 12S as it is the peak capability of the VESC’s. Focbox’s and Vesc 6’s seem to be able to tun them just fine. IMO, 10S is the sweet spot between power, range and speed. If you really want, you can run 11S
E-seitches only come on charge/discharge BMS’s. You are actually bypassing the discharge function when using a BMS as charge only, so the E-switch won’t work.
Thanks this thread has proven successful, stick with better charge/discharge BMS. Looks like I’ll go back to 10s, I’ll look at 12s for the dual motor build next which will likely be li-ion.
i’m not sure if you NEED a loop key, but it is better to have one to have piece of mind that it is completely disconnected when you’re working on the board
All you need is a 2 pole switch. The E-switch leads don’t actually allow power to travese, they simply open or close a circuit which tells the BMS to either turn on or turn off the power.
I think you only need a a single-pole, single-throw on SOME antispark e-switches and a single-pole momentary on other antispark e-switches. I’m not aware of any that need a 2-pole switch or a double-throw switch.