I am using NCR18650 li-ion batteries I need to make 2S2P configuration get higher capacity and 7.4V
the same pack I need to charge with TP4056 modules. also, I am using B0505S voltage isolator as shown in below figure,

all B0505S DIP will be powered with 5V 2.5A source

is below configuration correct?enter image description here

tp4056 is with protection enter image description here

  • \$\begingroup\$ What's the maximum output current from a B505S? Do you think it's enough to drive the TP4056 module? \$\endgroup\$ – Finbarr Apr 1 at 15:08

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