This mostly applies to adding cells in series. 5s with 100 cycles + new 5s to make 10s will not play well. but 10s with 100 cycles in parallel with new 10s is generally no problem.
This mostly applies to adding cells in series. 5s with 100 cycles + new 5s to make 10s will not play well. but 10s with 100 cycles in parallel with new 10s is generally no problem.