I believe it is not hard job for the team nerfing the cloaking charge time, say
Cloaking Device Mk I charging time 3 sec only - make it 20 sec
Cloaking Device Mk II charging time 20 sec- make it 30 sec
Cloaking Device Mk III charging time 20- sec - make it 30 sec
Cloaking Device Advanced Mk II - 60 sec perfect