Solved Batteries for PMS requirements?

[s00per64]

So I’m working on a Wii portable (worklog still to come) and I had a successful 2 minute test today with a 1s2p 18650 configuration, the rvl pms board and the USB PD board. Thing is, it was with two random cells and I’m looking to order some brand new ones.

So my question is this... Do the cells need to have the extra “button top” protection, or does the PMS handle bare cells? Is balancing parallel cells a problem without the tops?
Thanks.

 

[Pablo]

No you don't need the protection, pms handles that. Balancing isn't necessary for parallel confiugurations, it does it on its own, just made sure the cells you use have the same voltage - if not charge them all fully and they should be the same

 

[s00per64]

Thanks!